root / target-s390x / op_helper.c @ 000a1a38
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/*
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* S/390 helper routines
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*
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* Copyright (c) 2009 Ulrich Hecht
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* Copyright (c) 2009 Alexander Graf
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cpu.h" |
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#include "memory.h" |
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#include "cputlb.h" |
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#include "dyngen-exec.h" |
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#include "host-utils.h" |
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#include "helper.h" |
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#include <string.h> |
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#include "kvm.h" |
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#include "qemu-timer.h" |
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#ifdef CONFIG_KVM
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#include <linux/kvm.h> |
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#endif
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#if !defined (CONFIG_USER_ONLY)
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#include "sysemu.h" |
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#endif
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/*****************************************************************************/
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/* Softmmu support */
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#if !defined (CONFIG_USER_ONLY)
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#include "softmmu_exec.h" |
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|
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#define MMUSUFFIX _mmu
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#define SHIFT 0 |
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#include "softmmu_template.h" |
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#define SHIFT 1 |
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#include "softmmu_template.h" |
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#define SHIFT 2 |
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#include "softmmu_template.h" |
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#define SHIFT 3 |
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#include "softmmu_template.h" |
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/* try to fill the TLB and return an exception if error. If retaddr is
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NULL, it means that the function was called in C code (i.e. not
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from generated code or from helper.c) */
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/* XXX: fix it to restore all registers */
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void tlb_fill(CPUS390XState *env1, target_ulong addr, int is_write, int mmu_idx, |
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uintptr_t retaddr) |
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{
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TranslationBlock *tb; |
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CPUS390XState *saved_env; |
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int ret;
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saved_env = env; |
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env = env1; |
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ret = cpu_s390x_handle_mmu_fault(env, addr, is_write, mmu_idx); |
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if (unlikely(ret != 0)) { |
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if (likely(retaddr)) {
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/* now we have a real cpu fault */
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tb = tb_find_pc(retaddr); |
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if (likely(tb)) {
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/* the PC is inside the translated code. It means that we have
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a virtual CPU fault */
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cpu_restore_state(tb, env, retaddr); |
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} |
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} |
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cpu_loop_exit(env); |
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} |
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env = saved_env; |
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} |
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|
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#endif
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|
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/* #define DEBUG_HELPER */
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#ifdef DEBUG_HELPER
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#define HELPER_LOG(x...) qemu_log(x)
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#else
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#define HELPER_LOG(x...)
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#endif
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/* raise an exception */
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void HELPER(exception)(uint32_t excp)
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{
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HELPER_LOG("%s: exception %d\n", __FUNCTION__, excp);
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env->exception_index = excp; |
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cpu_loop_exit(env); |
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} |
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#ifndef CONFIG_USER_ONLY
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static void mvc_fast_memset(CPUS390XState *env, uint32_t l, uint64_t dest, |
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uint8_t byte) |
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{
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target_phys_addr_t dest_phys; |
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target_phys_addr_t len = l; |
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void *dest_p;
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uint64_t asc = env->psw.mask & PSW_MASK_ASC; |
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int flags;
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if (mmu_translate(env, dest, 1, asc, &dest_phys, &flags)) { |
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stb(dest, byte); |
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cpu_abort(env, "should never reach here");
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} |
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dest_phys |= dest & ~TARGET_PAGE_MASK; |
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dest_p = cpu_physical_memory_map(dest_phys, &len, 1);
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memset(dest_p, byte, len); |
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cpu_physical_memory_unmap(dest_p, 1, len, len);
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} |
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static void mvc_fast_memmove(CPUS390XState *env, uint32_t l, uint64_t dest, |
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uint64_t src) |
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{
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target_phys_addr_t dest_phys; |
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target_phys_addr_t src_phys; |
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target_phys_addr_t len = l; |
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void *dest_p;
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void *src_p;
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uint64_t asc = env->psw.mask & PSW_MASK_ASC; |
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int flags;
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if (mmu_translate(env, dest, 1, asc, &dest_phys, &flags)) { |
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stb(dest, 0);
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cpu_abort(env, "should never reach here");
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} |
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dest_phys |= dest & ~TARGET_PAGE_MASK; |
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if (mmu_translate(env, src, 0, asc, &src_phys, &flags)) { |
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ldub(src); |
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cpu_abort(env, "should never reach here");
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} |
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src_phys |= src & ~TARGET_PAGE_MASK; |
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dest_p = cpu_physical_memory_map(dest_phys, &len, 1);
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src_p = cpu_physical_memory_map(src_phys, &len, 0);
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memmove(dest_p, src_p, len); |
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cpu_physical_memory_unmap(dest_p, 1, len, len);
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cpu_physical_memory_unmap(src_p, 0, len, len);
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} |
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#endif
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/* and on array */
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uint32_t HELPER(nc)(uint32_t l, uint64_t dest, uint64_t src) |
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{
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int i;
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unsigned char x; |
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uint32_t cc = 0;
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HELPER_LOG("%s l %d dest %" PRIx64 " src %" PRIx64 "\n", |
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__FUNCTION__, l, dest, src); |
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for (i = 0; i <= l; i++) { |
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x = ldub(dest + i) & ldub(src + i); |
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if (x) {
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cc = 1;
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} |
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stb(dest + i, x); |
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} |
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return cc;
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} |
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|
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/* xor on array */
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uint32_t HELPER(xc)(uint32_t l, uint64_t dest, uint64_t src) |
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{
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int i;
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unsigned char x; |
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uint32_t cc = 0;
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HELPER_LOG("%s l %d dest %" PRIx64 " src %" PRIx64 "\n", |
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__FUNCTION__, l, dest, src); |
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#ifndef CONFIG_USER_ONLY
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/* xor with itself is the same as memset(0) */
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if ((l > 32) && (src == dest) && |
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(src & TARGET_PAGE_MASK) == ((src + l) & TARGET_PAGE_MASK)) {
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mvc_fast_memset(env, l + 1, dest, 0); |
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return 0; |
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} |
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#else
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if (src == dest) {
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memset(g2h(dest), 0, l + 1); |
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return 0; |
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} |
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#endif
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for (i = 0; i <= l; i++) { |
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x = ldub(dest + i) ^ ldub(src + i); |
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if (x) {
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cc = 1;
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} |
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stb(dest + i, x); |
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} |
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return cc;
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} |
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/* or on array */
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uint32_t HELPER(oc)(uint32_t l, uint64_t dest, uint64_t src) |
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{
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int i;
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unsigned char x; |
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uint32_t cc = 0;
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HELPER_LOG("%s l %d dest %" PRIx64 " src %" PRIx64 "\n", |
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__FUNCTION__, l, dest, src); |
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for (i = 0; i <= l; i++) { |
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x = ldub(dest + i) | ldub(src + i); |
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if (x) {
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cc = 1;
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} |
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stb(dest + i, x); |
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} |
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return cc;
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} |
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/* memmove */
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void HELPER(mvc)(uint32_t l, uint64_t dest, uint64_t src)
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{
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int i = 0; |
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int x = 0; |
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uint32_t l_64 = (l + 1) / 8; |
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HELPER_LOG("%s l %d dest %" PRIx64 " src %" PRIx64 "\n", |
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__FUNCTION__, l, dest, src); |
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#ifndef CONFIG_USER_ONLY
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if ((l > 32) && |
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(src & TARGET_PAGE_MASK) == ((src + l) & TARGET_PAGE_MASK) && |
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(dest & TARGET_PAGE_MASK) == ((dest + l) & TARGET_PAGE_MASK)) {
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if (dest == (src + 1)) { |
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mvc_fast_memset(env, l + 1, dest, ldub(src));
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return;
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} else if ((src & TARGET_PAGE_MASK) != (dest & TARGET_PAGE_MASK)) { |
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mvc_fast_memmove(env, l + 1, dest, src);
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return;
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} |
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} |
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#else
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if (dest == (src + 1)) { |
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memset(g2h(dest), ldub(src), l + 1);
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return;
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} else {
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memmove(g2h(dest), g2h(src), l + 1);
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return;
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} |
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#endif
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/* handle the parts that fit into 8-byte loads/stores */
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if (dest != (src + 1)) { |
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for (i = 0; i < l_64; i++) { |
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stq(dest + x, ldq(src + x)); |
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x += 8;
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} |
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} |
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/* slow version crossing pages with byte accesses */
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for (i = x; i <= l; i++) {
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stb(dest + i, ldub(src + i)); |
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} |
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} |
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/* compare unsigned byte arrays */
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uint32_t HELPER(clc)(uint32_t l, uint64_t s1, uint64_t s2) |
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{
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int i;
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unsigned char x,y; |
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uint32_t cc; |
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HELPER_LOG("%s l %d s1 %" PRIx64 " s2 %" PRIx64 "\n", |
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__FUNCTION__, l, s1, s2); |
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for (i = 0; i <= l; i++) { |
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x = ldub(s1 + i); |
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y = ldub(s2 + i); |
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HELPER_LOG("%02x (%c)/%02x (%c) ", x, x, y, y);
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if (x < y) {
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cc = 1;
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goto done;
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} else if (x > y) { |
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cc = 2;
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goto done;
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} |
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} |
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cc = 0;
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done:
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HELPER_LOG("\n");
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return cc;
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} |
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|
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/* compare logical under mask */
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uint32_t HELPER(clm)(uint32_t r1, uint32_t mask, uint64_t addr) |
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{
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uint8_t r,d; |
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uint32_t cc; |
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HELPER_LOG("%s: r1 0x%x mask 0x%x addr 0x%" PRIx64 "\n", __FUNCTION__, r1, |
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mask, addr); |
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cc = 0;
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while (mask) {
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if (mask & 8) { |
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d = ldub(addr); |
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r = (r1 & 0xff000000UL) >> 24; |
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HELPER_LOG("mask 0x%x %02x/%02x (0x%" PRIx64 ") ", mask, r, d, |
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addr); |
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if (r < d) {
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cc = 1;
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break;
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} else if (r > d) { |
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cc = 2;
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break;
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} |
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addr++; |
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} |
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mask = (mask << 1) & 0xf; |
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r1 <<= 8;
|
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} |
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HELPER_LOG("\n");
|
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return cc;
|
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} |
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|
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/* store character under mask */
|
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void HELPER(stcm)(uint32_t r1, uint32_t mask, uint64_t addr)
|
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{
|
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uint8_t r; |
| 337 |
HELPER_LOG("%s: r1 0x%x mask 0x%x addr 0x%lx\n", __FUNCTION__, r1, mask,
|
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addr); |
| 339 |
while (mask) {
|
| 340 |
if (mask & 8) { |
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r = (r1 & 0xff000000UL) >> 24; |
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stb(addr, r); |
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HELPER_LOG("mask 0x%x %02x (0x%lx) ", mask, r, addr);
|
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addr++; |
| 345 |
} |
| 346 |
mask = (mask << 1) & 0xf; |
| 347 |
r1 <<= 8;
|
| 348 |
} |
| 349 |
HELPER_LOG("\n");
|
| 350 |
} |
| 351 |
|
| 352 |
/* 64/64 -> 128 unsigned multiplication */
|
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void HELPER(mlg)(uint32_t r1, uint64_t v2)
|
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{
|
| 355 |
#if HOST_LONG_BITS == 64 && defined(__GNUC__) |
| 356 |
/* assuming 64-bit hosts have __uint128_t */
|
| 357 |
__uint128_t res = (__uint128_t)env->regs[r1 + 1];
|
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res *= (__uint128_t)v2; |
| 359 |
env->regs[r1] = (uint64_t)(res >> 64);
|
| 360 |
env->regs[r1 + 1] = (uint64_t)res;
|
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#else
|
| 362 |
mulu64(&env->regs[r1 + 1], &env->regs[r1], env->regs[r1 + 1], v2); |
| 363 |
#endif
|
| 364 |
} |
| 365 |
|
| 366 |
/* 128 -> 64/64 unsigned division */
|
| 367 |
void HELPER(dlg)(uint32_t r1, uint64_t v2)
|
| 368 |
{
|
| 369 |
uint64_t divisor = v2; |
| 370 |
|
| 371 |
if (!env->regs[r1]) {
|
| 372 |
/* 64 -> 64/64 case */
|
| 373 |
env->regs[r1] = env->regs[r1+1] % divisor;
|
| 374 |
env->regs[r1+1] = env->regs[r1+1] / divisor; |
| 375 |
return;
|
| 376 |
} else {
|
| 377 |
|
| 378 |
#if HOST_LONG_BITS == 64 && defined(__GNUC__) |
| 379 |
/* assuming 64-bit hosts have __uint128_t */
|
| 380 |
__uint128_t dividend = (((__uint128_t)env->regs[r1]) << 64) |
|
| 381 |
(env->regs[r1+1]);
|
| 382 |
__uint128_t quotient = dividend / divisor; |
| 383 |
env->regs[r1+1] = quotient;
|
| 384 |
__uint128_t remainder = dividend % divisor; |
| 385 |
env->regs[r1] = remainder; |
| 386 |
#else
|
| 387 |
/* 32-bit hosts would need special wrapper functionality - just abort if
|
| 388 |
we encounter such a case; it's very unlikely anyways. */
|
| 389 |
cpu_abort(env, "128 -> 64/64 division not implemented\n");
|
| 390 |
#endif
|
| 391 |
} |
| 392 |
} |
| 393 |
|
| 394 |
static inline uint64_t get_address(int x2, int b2, int d2) |
| 395 |
{
|
| 396 |
uint64_t r = d2; |
| 397 |
|
| 398 |
if (x2) {
|
| 399 |
r += env->regs[x2]; |
| 400 |
} |
| 401 |
|
| 402 |
if (b2) {
|
| 403 |
r += env->regs[b2]; |
| 404 |
} |
| 405 |
|
| 406 |
/* 31-Bit mode */
|
| 407 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
| 408 |
r &= 0x7fffffff;
|
| 409 |
} |
| 410 |
|
| 411 |
return r;
|
| 412 |
} |
| 413 |
|
| 414 |
static inline uint64_t get_address_31fix(int reg) |
| 415 |
{
|
| 416 |
uint64_t r = env->regs[reg]; |
| 417 |
|
| 418 |
/* 31-Bit mode */
|
| 419 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
| 420 |
r &= 0x7fffffff;
|
| 421 |
} |
| 422 |
|
| 423 |
return r;
|
| 424 |
} |
| 425 |
|
| 426 |
/* search string (c is byte to search, r2 is string, r1 end of string) */
|
| 427 |
uint32_t HELPER(srst)(uint32_t c, uint32_t r1, uint32_t r2) |
| 428 |
{
|
| 429 |
uint64_t i; |
| 430 |
uint32_t cc = 2;
|
| 431 |
uint64_t str = get_address_31fix(r2); |
| 432 |
uint64_t end = get_address_31fix(r1); |
| 433 |
|
| 434 |
HELPER_LOG("%s: c %d *r1 0x%" PRIx64 " *r2 0x%" PRIx64 "\n", __FUNCTION__, |
| 435 |
c, env->regs[r1], env->regs[r2]); |
| 436 |
|
| 437 |
for (i = str; i != end; i++) {
|
| 438 |
if (ldub(i) == c) {
|
| 439 |
env->regs[r1] = i; |
| 440 |
cc = 1;
|
| 441 |
break;
|
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
return cc;
|
| 446 |
} |
| 447 |
|
| 448 |
/* unsigned string compare (c is string terminator) */
|
| 449 |
uint32_t HELPER(clst)(uint32_t c, uint32_t r1, uint32_t r2) |
| 450 |
{
|
| 451 |
uint64_t s1 = get_address_31fix(r1); |
| 452 |
uint64_t s2 = get_address_31fix(r2); |
| 453 |
uint8_t v1, v2; |
| 454 |
uint32_t cc; |
| 455 |
c = c & 0xff;
|
| 456 |
#ifdef CONFIG_USER_ONLY
|
| 457 |
if (!c) {
|
| 458 |
HELPER_LOG("%s: comparing '%s' and '%s'\n",
|
| 459 |
__FUNCTION__, (char*)g2h(s1), (char*)g2h(s2)); |
| 460 |
} |
| 461 |
#endif
|
| 462 |
for (;;) {
|
| 463 |
v1 = ldub(s1); |
| 464 |
v2 = ldub(s2); |
| 465 |
if ((v1 == c || v2 == c) || (v1 != v2)) {
|
| 466 |
break;
|
| 467 |
} |
| 468 |
s1++; |
| 469 |
s2++; |
| 470 |
} |
| 471 |
|
| 472 |
if (v1 == v2) {
|
| 473 |
cc = 0;
|
| 474 |
} else {
|
| 475 |
cc = (v1 < v2) ? 1 : 2; |
| 476 |
/* FIXME: 31-bit mode! */
|
| 477 |
env->regs[r1] = s1; |
| 478 |
env->regs[r2] = s2; |
| 479 |
} |
| 480 |
return cc;
|
| 481 |
} |
| 482 |
|
| 483 |
/* move page */
|
| 484 |
void HELPER(mvpg)(uint64_t r0, uint64_t r1, uint64_t r2)
|
| 485 |
{
|
| 486 |
/* XXX missing r0 handling */
|
| 487 |
#ifdef CONFIG_USER_ONLY
|
| 488 |
int i;
|
| 489 |
|
| 490 |
for (i = 0; i < TARGET_PAGE_SIZE; i++) { |
| 491 |
stb(r1 + i, ldub(r2 + i)); |
| 492 |
} |
| 493 |
#else
|
| 494 |
mvc_fast_memmove(env, TARGET_PAGE_SIZE, r1, r2); |
| 495 |
#endif
|
| 496 |
} |
| 497 |
|
| 498 |
/* string copy (c is string terminator) */
|
| 499 |
void HELPER(mvst)(uint32_t c, uint32_t r1, uint32_t r2)
|
| 500 |
{
|
| 501 |
uint64_t dest = get_address_31fix(r1); |
| 502 |
uint64_t src = get_address_31fix(r2); |
| 503 |
uint8_t v; |
| 504 |
c = c & 0xff;
|
| 505 |
#ifdef CONFIG_USER_ONLY
|
| 506 |
if (!c) {
|
| 507 |
HELPER_LOG("%s: copy '%s' to 0x%lx\n", __FUNCTION__, (char*)g2h(src), |
| 508 |
dest); |
| 509 |
} |
| 510 |
#endif
|
| 511 |
for (;;) {
|
| 512 |
v = ldub(src); |
| 513 |
stb(dest, v); |
| 514 |
if (v == c) {
|
| 515 |
break;
|
| 516 |
} |
| 517 |
src++; |
| 518 |
dest++; |
| 519 |
} |
| 520 |
env->regs[r1] = dest; /* FIXME: 31-bit mode! */
|
| 521 |
} |
| 522 |
|
| 523 |
/* compare and swap 64-bit */
|
| 524 |
uint32_t HELPER(csg)(uint32_t r1, uint64_t a2, uint32_t r3) |
| 525 |
{
|
| 526 |
/* FIXME: locking? */
|
| 527 |
uint32_t cc; |
| 528 |
uint64_t v2 = ldq(a2); |
| 529 |
if (env->regs[r1] == v2) {
|
| 530 |
cc = 0;
|
| 531 |
stq(a2, env->regs[r3]); |
| 532 |
} else {
|
| 533 |
cc = 1;
|
| 534 |
env->regs[r1] = v2; |
| 535 |
} |
| 536 |
return cc;
|
| 537 |
} |
| 538 |
|
| 539 |
/* compare double and swap 64-bit */
|
| 540 |
uint32_t HELPER(cdsg)(uint32_t r1, uint64_t a2, uint32_t r3) |
| 541 |
{
|
| 542 |
/* FIXME: locking? */
|
| 543 |
uint32_t cc; |
| 544 |
uint64_t v2_hi = ldq(a2); |
| 545 |
uint64_t v2_lo = ldq(a2 + 8);
|
| 546 |
uint64_t v1_hi = env->regs[r1]; |
| 547 |
uint64_t v1_lo = env->regs[r1 + 1];
|
| 548 |
|
| 549 |
if ((v1_hi == v2_hi) && (v1_lo == v2_lo)) {
|
| 550 |
cc = 0;
|
| 551 |
stq(a2, env->regs[r3]); |
| 552 |
stq(a2 + 8, env->regs[r3 + 1]); |
| 553 |
} else {
|
| 554 |
cc = 1;
|
| 555 |
env->regs[r1] = v2_hi; |
| 556 |
env->regs[r1 + 1] = v2_lo;
|
| 557 |
} |
| 558 |
|
| 559 |
return cc;
|
| 560 |
} |
| 561 |
|
| 562 |
/* compare and swap 32-bit */
|
| 563 |
uint32_t HELPER(cs)(uint32_t r1, uint64_t a2, uint32_t r3) |
| 564 |
{
|
| 565 |
/* FIXME: locking? */
|
| 566 |
uint32_t cc; |
| 567 |
HELPER_LOG("%s: r1 %d a2 0x%lx r3 %d\n", __FUNCTION__, r1, a2, r3);
|
| 568 |
uint32_t v2 = ldl(a2); |
| 569 |
if (((uint32_t)env->regs[r1]) == v2) {
|
| 570 |
cc = 0;
|
| 571 |
stl(a2, (uint32_t)env->regs[r3]); |
| 572 |
} else {
|
| 573 |
cc = 1;
|
| 574 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | v2;
|
| 575 |
} |
| 576 |
return cc;
|
| 577 |
} |
| 578 |
|
| 579 |
static uint32_t helper_icm(uint32_t r1, uint64_t address, uint32_t mask)
|
| 580 |
{
|
| 581 |
int pos = 24; /* top of the lower half of r1 */ |
| 582 |
uint64_t rmask = 0xff000000ULL;
|
| 583 |
uint8_t val = 0;
|
| 584 |
int ccd = 0; |
| 585 |
uint32_t cc = 0;
|
| 586 |
|
| 587 |
while (mask) {
|
| 588 |
if (mask & 8) { |
| 589 |
env->regs[r1] &= ~rmask; |
| 590 |
val = ldub(address); |
| 591 |
if ((val & 0x80) && !ccd) { |
| 592 |
cc = 1;
|
| 593 |
} |
| 594 |
ccd = 1;
|
| 595 |
if (val && cc == 0) { |
| 596 |
cc = 2;
|
| 597 |
} |
| 598 |
env->regs[r1] |= (uint64_t)val << pos; |
| 599 |
address++; |
| 600 |
} |
| 601 |
mask = (mask << 1) & 0xf; |
| 602 |
pos -= 8;
|
| 603 |
rmask >>= 8;
|
| 604 |
} |
| 605 |
|
| 606 |
return cc;
|
| 607 |
} |
| 608 |
|
| 609 |
/* execute instruction
|
| 610 |
this instruction executes an insn modified with the contents of r1
|
| 611 |
it does not change the executed instruction in memory
|
| 612 |
it does not change the program counter
|
| 613 |
in other words: tricky...
|
| 614 |
currently implemented by interpreting the cases it is most commonly used in
|
| 615 |
*/
|
| 616 |
uint32_t HELPER(ex)(uint32_t cc, uint64_t v1, uint64_t addr, uint64_t ret) |
| 617 |
{
|
| 618 |
uint16_t insn = lduw_code(addr); |
| 619 |
HELPER_LOG("%s: v1 0x%lx addr 0x%lx insn 0x%x\n", __FUNCTION__, v1, addr,
|
| 620 |
insn); |
| 621 |
if ((insn & 0xf0ff) == 0xd000) { |
| 622 |
uint32_t l, insn2, b1, b2, d1, d2; |
| 623 |
l = v1 & 0xff;
|
| 624 |
insn2 = ldl_code(addr + 2);
|
| 625 |
b1 = (insn2 >> 28) & 0xf; |
| 626 |
b2 = (insn2 >> 12) & 0xf; |
| 627 |
d1 = (insn2 >> 16) & 0xfff; |
| 628 |
d2 = insn2 & 0xfff;
|
| 629 |
switch (insn & 0xf00) { |
| 630 |
case 0x200: |
| 631 |
helper_mvc(l, get_address(0, b1, d1), get_address(0, b2, d2)); |
| 632 |
break;
|
| 633 |
case 0x500: |
| 634 |
cc = helper_clc(l, get_address(0, b1, d1), get_address(0, b2, d2)); |
| 635 |
break;
|
| 636 |
case 0x700: |
| 637 |
cc = helper_xc(l, get_address(0, b1, d1), get_address(0, b2, d2)); |
| 638 |
break;
|
| 639 |
case 0xc00: |
| 640 |
helper_tr(l, get_address(0, b1, d1), get_address(0, b2, d2)); |
| 641 |
break;
|
| 642 |
default:
|
| 643 |
goto abort;
|
| 644 |
break;
|
| 645 |
} |
| 646 |
} else if ((insn & 0xff00) == 0x0a00) { |
| 647 |
/* supervisor call */
|
| 648 |
HELPER_LOG("%s: svc %ld via execute\n", __FUNCTION__, (insn|v1) & 0xff); |
| 649 |
env->psw.addr = ret - 4;
|
| 650 |
env->int_svc_code = (insn|v1) & 0xff;
|
| 651 |
env->int_svc_ilc = 4;
|
| 652 |
helper_exception(EXCP_SVC); |
| 653 |
} else if ((insn & 0xff00) == 0xbf00) { |
| 654 |
uint32_t insn2, r1, r3, b2, d2; |
| 655 |
insn2 = ldl_code(addr + 2);
|
| 656 |
r1 = (insn2 >> 20) & 0xf; |
| 657 |
r3 = (insn2 >> 16) & 0xf; |
| 658 |
b2 = (insn2 >> 12) & 0xf; |
| 659 |
d2 = insn2 & 0xfff;
|
| 660 |
cc = helper_icm(r1, get_address(0, b2, d2), r3);
|
| 661 |
} else {
|
| 662 |
abort:
|
| 663 |
cpu_abort(env, "EXECUTE on instruction prefix 0x%x not implemented\n",
|
| 664 |
insn); |
| 665 |
} |
| 666 |
return cc;
|
| 667 |
} |
| 668 |
|
| 669 |
/* absolute value 32-bit */
|
| 670 |
uint32_t HELPER(abs_i32)(int32_t val) |
| 671 |
{
|
| 672 |
if (val < 0) { |
| 673 |
return -val;
|
| 674 |
} else {
|
| 675 |
return val;
|
| 676 |
} |
| 677 |
} |
| 678 |
|
| 679 |
/* negative absolute value 32-bit */
|
| 680 |
int32_t HELPER(nabs_i32)(int32_t val) |
| 681 |
{
|
| 682 |
if (val < 0) { |
| 683 |
return val;
|
| 684 |
} else {
|
| 685 |
return -val;
|
| 686 |
} |
| 687 |
} |
| 688 |
|
| 689 |
/* absolute value 64-bit */
|
| 690 |
uint64_t HELPER(abs_i64)(int64_t val) |
| 691 |
{
|
| 692 |
HELPER_LOG("%s: val 0x%" PRIx64 "\n", __FUNCTION__, val); |
| 693 |
|
| 694 |
if (val < 0) { |
| 695 |
return -val;
|
| 696 |
} else {
|
| 697 |
return val;
|
| 698 |
} |
| 699 |
} |
| 700 |
|
| 701 |
/* negative absolute value 64-bit */
|
| 702 |
int64_t HELPER(nabs_i64)(int64_t val) |
| 703 |
{
|
| 704 |
if (val < 0) { |
| 705 |
return val;
|
| 706 |
} else {
|
| 707 |
return -val;
|
| 708 |
} |
| 709 |
} |
| 710 |
|
| 711 |
/* add with carry 32-bit unsigned */
|
| 712 |
uint32_t HELPER(addc_u32)(uint32_t cc, uint32_t v1, uint32_t v2) |
| 713 |
{
|
| 714 |
uint32_t res; |
| 715 |
|
| 716 |
res = v1 + v2; |
| 717 |
if (cc & 2) { |
| 718 |
res++; |
| 719 |
} |
| 720 |
|
| 721 |
return res;
|
| 722 |
} |
| 723 |
|
| 724 |
/* store character under mask high operates on the upper half of r1 */
|
| 725 |
void HELPER(stcmh)(uint32_t r1, uint64_t address, uint32_t mask)
|
| 726 |
{
|
| 727 |
int pos = 56; /* top of the upper half of r1 */ |
| 728 |
|
| 729 |
while (mask) {
|
| 730 |
if (mask & 8) { |
| 731 |
stb(address, (env->regs[r1] >> pos) & 0xff);
|
| 732 |
address++; |
| 733 |
} |
| 734 |
mask = (mask << 1) & 0xf; |
| 735 |
pos -= 8;
|
| 736 |
} |
| 737 |
} |
| 738 |
|
| 739 |
/* insert character under mask high; same as icm, but operates on the
|
| 740 |
upper half of r1 */
|
| 741 |
uint32_t HELPER(icmh)(uint32_t r1, uint64_t address, uint32_t mask) |
| 742 |
{
|
| 743 |
int pos = 56; /* top of the upper half of r1 */ |
| 744 |
uint64_t rmask = 0xff00000000000000ULL;
|
| 745 |
uint8_t val = 0;
|
| 746 |
int ccd = 0; |
| 747 |
uint32_t cc = 0;
|
| 748 |
|
| 749 |
while (mask) {
|
| 750 |
if (mask & 8) { |
| 751 |
env->regs[r1] &= ~rmask; |
| 752 |
val = ldub(address); |
| 753 |
if ((val & 0x80) && !ccd) { |
| 754 |
cc = 1;
|
| 755 |
} |
| 756 |
ccd = 1;
|
| 757 |
if (val && cc == 0) { |
| 758 |
cc = 2;
|
| 759 |
} |
| 760 |
env->regs[r1] |= (uint64_t)val << pos; |
| 761 |
address++; |
| 762 |
} |
| 763 |
mask = (mask << 1) & 0xf; |
| 764 |
pos -= 8;
|
| 765 |
rmask >>= 8;
|
| 766 |
} |
| 767 |
|
| 768 |
return cc;
|
| 769 |
} |
| 770 |
|
| 771 |
/* insert psw mask and condition code into r1 */
|
| 772 |
void HELPER(ipm)(uint32_t cc, uint32_t r1)
|
| 773 |
{
|
| 774 |
uint64_t r = env->regs[r1]; |
| 775 |
|
| 776 |
r &= 0xffffffff00ffffffULL;
|
| 777 |
r |= (cc << 28) | ( (env->psw.mask >> 40) & 0xf ); |
| 778 |
env->regs[r1] = r; |
| 779 |
HELPER_LOG("%s: cc %d psw.mask 0x%lx r1 0x%lx\n", __FUNCTION__,
|
| 780 |
cc, env->psw.mask, r); |
| 781 |
} |
| 782 |
|
| 783 |
/* load access registers r1 to r3 from memory at a2 */
|
| 784 |
void HELPER(lam)(uint32_t r1, uint64_t a2, uint32_t r3)
|
| 785 |
{
|
| 786 |
int i;
|
| 787 |
|
| 788 |
for (i = r1;; i = (i + 1) % 16) { |
| 789 |
env->aregs[i] = ldl(a2); |
| 790 |
a2 += 4;
|
| 791 |
|
| 792 |
if (i == r3) {
|
| 793 |
break;
|
| 794 |
} |
| 795 |
} |
| 796 |
} |
| 797 |
|
| 798 |
/* store access registers r1 to r3 in memory at a2 */
|
| 799 |
void HELPER(stam)(uint32_t r1, uint64_t a2, uint32_t r3)
|
| 800 |
{
|
| 801 |
int i;
|
| 802 |
|
| 803 |
for (i = r1;; i = (i + 1) % 16) { |
| 804 |
stl(a2, env->aregs[i]); |
| 805 |
a2 += 4;
|
| 806 |
|
| 807 |
if (i == r3) {
|
| 808 |
break;
|
| 809 |
} |
| 810 |
} |
| 811 |
} |
| 812 |
|
| 813 |
/* move long */
|
| 814 |
uint32_t HELPER(mvcl)(uint32_t r1, uint32_t r2) |
| 815 |
{
|
| 816 |
uint64_t destlen = env->regs[r1 + 1] & 0xffffff; |
| 817 |
uint64_t dest = get_address_31fix(r1); |
| 818 |
uint64_t srclen = env->regs[r2 + 1] & 0xffffff; |
| 819 |
uint64_t src = get_address_31fix(r2); |
| 820 |
uint8_t pad = src >> 24;
|
| 821 |
uint8_t v; |
| 822 |
uint32_t cc; |
| 823 |
|
| 824 |
if (destlen == srclen) {
|
| 825 |
cc = 0;
|
| 826 |
} else if (destlen < srclen) { |
| 827 |
cc = 1;
|
| 828 |
} else {
|
| 829 |
cc = 2;
|
| 830 |
} |
| 831 |
|
| 832 |
if (srclen > destlen) {
|
| 833 |
srclen = destlen; |
| 834 |
} |
| 835 |
|
| 836 |
for (; destlen && srclen; src++, dest++, destlen--, srclen--) {
|
| 837 |
v = ldub(src); |
| 838 |
stb(dest, v); |
| 839 |
} |
| 840 |
|
| 841 |
for (; destlen; dest++, destlen--) {
|
| 842 |
stb(dest, pad); |
| 843 |
} |
| 844 |
|
| 845 |
env->regs[r1 + 1] = destlen;
|
| 846 |
/* can't use srclen here, we trunc'ed it */
|
| 847 |
env->regs[r2 + 1] -= src - env->regs[r2];
|
| 848 |
env->regs[r1] = dest; |
| 849 |
env->regs[r2] = src; |
| 850 |
|
| 851 |
return cc;
|
| 852 |
} |
| 853 |
|
| 854 |
/* move long extended another memcopy insn with more bells and whistles */
|
| 855 |
uint32_t HELPER(mvcle)(uint32_t r1, uint64_t a2, uint32_t r3) |
| 856 |
{
|
| 857 |
uint64_t destlen = env->regs[r1 + 1];
|
| 858 |
uint64_t dest = env->regs[r1]; |
| 859 |
uint64_t srclen = env->regs[r3 + 1];
|
| 860 |
uint64_t src = env->regs[r3]; |
| 861 |
uint8_t pad = a2 & 0xff;
|
| 862 |
uint8_t v; |
| 863 |
uint32_t cc; |
| 864 |
|
| 865 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
| 866 |
destlen = (uint32_t)destlen; |
| 867 |
srclen = (uint32_t)srclen; |
| 868 |
dest &= 0x7fffffff;
|
| 869 |
src &= 0x7fffffff;
|
| 870 |
} |
| 871 |
|
| 872 |
if (destlen == srclen) {
|
| 873 |
cc = 0;
|
| 874 |
} else if (destlen < srclen) { |
| 875 |
cc = 1;
|
| 876 |
} else {
|
| 877 |
cc = 2;
|
| 878 |
} |
| 879 |
|
| 880 |
if (srclen > destlen) {
|
| 881 |
srclen = destlen; |
| 882 |
} |
| 883 |
|
| 884 |
for (; destlen && srclen; src++, dest++, destlen--, srclen--) {
|
| 885 |
v = ldub(src); |
| 886 |
stb(dest, v); |
| 887 |
} |
| 888 |
|
| 889 |
for (; destlen; dest++, destlen--) {
|
| 890 |
stb(dest, pad); |
| 891 |
} |
| 892 |
|
| 893 |
env->regs[r1 + 1] = destlen;
|
| 894 |
/* can't use srclen here, we trunc'ed it */
|
| 895 |
/* FIXME: 31-bit mode! */
|
| 896 |
env->regs[r3 + 1] -= src - env->regs[r3];
|
| 897 |
env->regs[r1] = dest; |
| 898 |
env->regs[r3] = src; |
| 899 |
|
| 900 |
return cc;
|
| 901 |
} |
| 902 |
|
| 903 |
/* compare logical long extended memcompare insn with padding */
|
| 904 |
uint32_t HELPER(clcle)(uint32_t r1, uint64_t a2, uint32_t r3) |
| 905 |
{
|
| 906 |
uint64_t destlen = env->regs[r1 + 1];
|
| 907 |
uint64_t dest = get_address_31fix(r1); |
| 908 |
uint64_t srclen = env->regs[r3 + 1];
|
| 909 |
uint64_t src = get_address_31fix(r3); |
| 910 |
uint8_t pad = a2 & 0xff;
|
| 911 |
uint8_t v1 = 0,v2 = 0; |
| 912 |
uint32_t cc = 0;
|
| 913 |
|
| 914 |
if (!(destlen || srclen)) {
|
| 915 |
return cc;
|
| 916 |
} |
| 917 |
|
| 918 |
if (srclen > destlen) {
|
| 919 |
srclen = destlen; |
| 920 |
} |
| 921 |
|
| 922 |
for (; destlen || srclen; src++, dest++, destlen--, srclen--) {
|
| 923 |
v1 = srclen ? ldub(src) : pad; |
| 924 |
v2 = destlen ? ldub(dest) : pad; |
| 925 |
if (v1 != v2) {
|
| 926 |
cc = (v1 < v2) ? 1 : 2; |
| 927 |
break;
|
| 928 |
} |
| 929 |
} |
| 930 |
|
| 931 |
env->regs[r1 + 1] = destlen;
|
| 932 |
/* can't use srclen here, we trunc'ed it */
|
| 933 |
env->regs[r3 + 1] -= src - env->regs[r3];
|
| 934 |
env->regs[r1] = dest; |
| 935 |
env->regs[r3] = src; |
| 936 |
|
| 937 |
return cc;
|
| 938 |
} |
| 939 |
|
| 940 |
/* subtract unsigned v2 from v1 with borrow */
|
| 941 |
uint32_t HELPER(slb)(uint32_t cc, uint32_t r1, uint32_t v2) |
| 942 |
{
|
| 943 |
uint32_t v1 = env->regs[r1]; |
| 944 |
uint32_t res = v1 + (~v2) + (cc >> 1);
|
| 945 |
|
| 946 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | res;
|
| 947 |
if (cc & 2) { |
| 948 |
/* borrow */
|
| 949 |
return v1 ? 1 : 0; |
| 950 |
} else {
|
| 951 |
return v1 ? 3 : 2; |
| 952 |
} |
| 953 |
} |
| 954 |
|
| 955 |
/* subtract unsigned v2 from v1 with borrow */
|
| 956 |
uint32_t HELPER(slbg)(uint32_t cc, uint32_t r1, uint64_t v1, uint64_t v2) |
| 957 |
{
|
| 958 |
uint64_t res = v1 + (~v2) + (cc >> 1);
|
| 959 |
|
| 960 |
env->regs[r1] = res; |
| 961 |
if (cc & 2) { |
| 962 |
/* borrow */
|
| 963 |
return v1 ? 1 : 0; |
| 964 |
} else {
|
| 965 |
return v1 ? 3 : 2; |
| 966 |
} |
| 967 |
} |
| 968 |
|
| 969 |
static inline int float_comp_to_cc(int float_compare) |
| 970 |
{
|
| 971 |
switch (float_compare) {
|
| 972 |
case float_relation_equal:
|
| 973 |
return 0; |
| 974 |
case float_relation_less:
|
| 975 |
return 1; |
| 976 |
case float_relation_greater:
|
| 977 |
return 2; |
| 978 |
case float_relation_unordered:
|
| 979 |
return 3; |
| 980 |
default:
|
| 981 |
cpu_abort(env, "unknown return value for float compare\n");
|
| 982 |
} |
| 983 |
} |
| 984 |
|
| 985 |
/* condition codes for binary FP ops */
|
| 986 |
static uint32_t set_cc_f32(float32 v1, float32 v2)
|
| 987 |
{
|
| 988 |
return float_comp_to_cc(float32_compare_quiet(v1, v2, &env->fpu_status));
|
| 989 |
} |
| 990 |
|
| 991 |
static uint32_t set_cc_f64(float64 v1, float64 v2)
|
| 992 |
{
|
| 993 |
return float_comp_to_cc(float64_compare_quiet(v1, v2, &env->fpu_status));
|
| 994 |
} |
| 995 |
|
| 996 |
/* condition codes for unary FP ops */
|
| 997 |
static uint32_t set_cc_nz_f32(float32 v)
|
| 998 |
{
|
| 999 |
if (float32_is_any_nan(v)) {
|
| 1000 |
return 3; |
| 1001 |
} else if (float32_is_zero(v)) { |
| 1002 |
return 0; |
| 1003 |
} else if (float32_is_neg(v)) { |
| 1004 |
return 1; |
| 1005 |
} else {
|
| 1006 |
return 2; |
| 1007 |
} |
| 1008 |
} |
| 1009 |
|
| 1010 |
static uint32_t set_cc_nz_f64(float64 v)
|
| 1011 |
{
|
| 1012 |
if (float64_is_any_nan(v)) {
|
| 1013 |
return 3; |
| 1014 |
} else if (float64_is_zero(v)) { |
| 1015 |
return 0; |
| 1016 |
} else if (float64_is_neg(v)) { |
| 1017 |
return 1; |
| 1018 |
} else {
|
| 1019 |
return 2; |
| 1020 |
} |
| 1021 |
} |
| 1022 |
|
| 1023 |
static uint32_t set_cc_nz_f128(float128 v)
|
| 1024 |
{
|
| 1025 |
if (float128_is_any_nan(v)) {
|
| 1026 |
return 3; |
| 1027 |
} else if (float128_is_zero(v)) { |
| 1028 |
return 0; |
| 1029 |
} else if (float128_is_neg(v)) { |
| 1030 |
return 1; |
| 1031 |
} else {
|
| 1032 |
return 2; |
| 1033 |
} |
| 1034 |
} |
| 1035 |
|
| 1036 |
/* convert 32-bit int to 64-bit float */
|
| 1037 |
void HELPER(cdfbr)(uint32_t f1, int32_t v2)
|
| 1038 |
{
|
| 1039 |
HELPER_LOG("%s: converting %d to f%d\n", __FUNCTION__, v2, f1);
|
| 1040 |
env->fregs[f1].d = int32_to_float64(v2, &env->fpu_status); |
| 1041 |
} |
| 1042 |
|
| 1043 |
/* convert 32-bit int to 128-bit float */
|
| 1044 |
void HELPER(cxfbr)(uint32_t f1, int32_t v2)
|
| 1045 |
{
|
| 1046 |
CPU_QuadU v1; |
| 1047 |
v1.q = int32_to_float128(v2, &env->fpu_status); |
| 1048 |
env->fregs[f1].ll = v1.ll.upper; |
| 1049 |
env->fregs[f1 + 2].ll = v1.ll.lower;
|
| 1050 |
} |
| 1051 |
|
| 1052 |
/* convert 64-bit int to 32-bit float */
|
| 1053 |
void HELPER(cegbr)(uint32_t f1, int64_t v2)
|
| 1054 |
{
|
| 1055 |
HELPER_LOG("%s: converting %ld to f%d\n", __FUNCTION__, v2, f1);
|
| 1056 |
env->fregs[f1].l.upper = int64_to_float32(v2, &env->fpu_status); |
| 1057 |
} |
| 1058 |
|
| 1059 |
/* convert 64-bit int to 64-bit float */
|
| 1060 |
void HELPER(cdgbr)(uint32_t f1, int64_t v2)
|
| 1061 |
{
|
| 1062 |
HELPER_LOG("%s: converting %ld to f%d\n", __FUNCTION__, v2, f1);
|
| 1063 |
env->fregs[f1].d = int64_to_float64(v2, &env->fpu_status); |
| 1064 |
} |
| 1065 |
|
| 1066 |
/* convert 64-bit int to 128-bit float */
|
| 1067 |
void HELPER(cxgbr)(uint32_t f1, int64_t v2)
|
| 1068 |
{
|
| 1069 |
CPU_QuadU x1; |
| 1070 |
x1.q = int64_to_float128(v2, &env->fpu_status); |
| 1071 |
HELPER_LOG("%s: converted %ld to 0x%lx and 0x%lx\n", __FUNCTION__, v2,
|
| 1072 |
x1.ll.upper, x1.ll.lower); |
| 1073 |
env->fregs[f1].ll = x1.ll.upper; |
| 1074 |
env->fregs[f1 + 2].ll = x1.ll.lower;
|
| 1075 |
} |
| 1076 |
|
| 1077 |
/* convert 32-bit int to 32-bit float */
|
| 1078 |
void HELPER(cefbr)(uint32_t f1, int32_t v2)
|
| 1079 |
{
|
| 1080 |
env->fregs[f1].l.upper = int32_to_float32(v2, &env->fpu_status); |
| 1081 |
HELPER_LOG("%s: converting %d to 0x%d in f%d\n", __FUNCTION__, v2,
|
| 1082 |
env->fregs[f1].l.upper, f1); |
| 1083 |
} |
| 1084 |
|
| 1085 |
/* 32-bit FP addition RR */
|
| 1086 |
uint32_t HELPER(aebr)(uint32_t f1, uint32_t f2) |
| 1087 |
{
|
| 1088 |
env->fregs[f1].l.upper = float32_add(env->fregs[f1].l.upper, |
| 1089 |
env->fregs[f2].l.upper, |
| 1090 |
&env->fpu_status); |
| 1091 |
HELPER_LOG("%s: adding 0x%d resulting in 0x%d in f%d\n", __FUNCTION__,
|
| 1092 |
env->fregs[f2].l.upper, env->fregs[f1].l.upper, f1); |
| 1093 |
|
| 1094 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
| 1095 |
} |
| 1096 |
|
| 1097 |
/* 64-bit FP addition RR */
|
| 1098 |
uint32_t HELPER(adbr)(uint32_t f1, uint32_t f2) |
| 1099 |
{
|
| 1100 |
env->fregs[f1].d = float64_add(env->fregs[f1].d, env->fregs[f2].d, |
| 1101 |
&env->fpu_status); |
| 1102 |
HELPER_LOG("%s: adding 0x%ld resulting in 0x%ld in f%d\n", __FUNCTION__,
|
| 1103 |
env->fregs[f2].d, env->fregs[f1].d, f1); |
| 1104 |
|
| 1105 |
return set_cc_nz_f64(env->fregs[f1].d);
|
| 1106 |
} |
| 1107 |
|
| 1108 |
/* 32-bit FP subtraction RR */
|
| 1109 |
uint32_t HELPER(sebr)(uint32_t f1, uint32_t f2) |
| 1110 |
{
|
| 1111 |
env->fregs[f1].l.upper = float32_sub(env->fregs[f1].l.upper, |
| 1112 |
env->fregs[f2].l.upper, |
| 1113 |
&env->fpu_status); |
| 1114 |
HELPER_LOG("%s: adding 0x%d resulting in 0x%d in f%d\n", __FUNCTION__,
|
| 1115 |
env->fregs[f2].l.upper, env->fregs[f1].l.upper, f1); |
| 1116 |
|
| 1117 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
| 1118 |
} |
| 1119 |
|
| 1120 |
/* 64-bit FP subtraction RR */
|
| 1121 |
uint32_t HELPER(sdbr)(uint32_t f1, uint32_t f2) |
| 1122 |
{
|
| 1123 |
env->fregs[f1].d = float64_sub(env->fregs[f1].d, env->fregs[f2].d, |
| 1124 |
&env->fpu_status); |
| 1125 |
HELPER_LOG("%s: subtracting 0x%ld resulting in 0x%ld in f%d\n",
|
| 1126 |
__FUNCTION__, env->fregs[f2].d, env->fregs[f1].d, f1); |
| 1127 |
|
| 1128 |
return set_cc_nz_f64(env->fregs[f1].d);
|
| 1129 |
} |
| 1130 |
|
| 1131 |
/* 32-bit FP division RR */
|
| 1132 |
void HELPER(debr)(uint32_t f1, uint32_t f2)
|
| 1133 |
{
|
| 1134 |
env->fregs[f1].l.upper = float32_div(env->fregs[f1].l.upper, |
| 1135 |
env->fregs[f2].l.upper, |
| 1136 |
&env->fpu_status); |
| 1137 |
} |
| 1138 |
|
| 1139 |
/* 128-bit FP division RR */
|
| 1140 |
void HELPER(dxbr)(uint32_t f1, uint32_t f2)
|
| 1141 |
{
|
| 1142 |
CPU_QuadU v1; |
| 1143 |
v1.ll.upper = env->fregs[f1].ll; |
| 1144 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
| 1145 |
CPU_QuadU v2; |
| 1146 |
v2.ll.upper = env->fregs[f2].ll; |
| 1147 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1148 |
CPU_QuadU res; |
| 1149 |
res.q = float128_div(v1.q, v2.q, &env->fpu_status); |
| 1150 |
env->fregs[f1].ll = res.ll.upper; |
| 1151 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
| 1152 |
} |
| 1153 |
|
| 1154 |
/* 64-bit FP multiplication RR */
|
| 1155 |
void HELPER(mdbr)(uint32_t f1, uint32_t f2)
|
| 1156 |
{
|
| 1157 |
env->fregs[f1].d = float64_mul(env->fregs[f1].d, env->fregs[f2].d, |
| 1158 |
&env->fpu_status); |
| 1159 |
} |
| 1160 |
|
| 1161 |
/* 128-bit FP multiplication RR */
|
| 1162 |
void HELPER(mxbr)(uint32_t f1, uint32_t f2)
|
| 1163 |
{
|
| 1164 |
CPU_QuadU v1; |
| 1165 |
v1.ll.upper = env->fregs[f1].ll; |
| 1166 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
| 1167 |
CPU_QuadU v2; |
| 1168 |
v2.ll.upper = env->fregs[f2].ll; |
| 1169 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1170 |
CPU_QuadU res; |
| 1171 |
res.q = float128_mul(v1.q, v2.q, &env->fpu_status); |
| 1172 |
env->fregs[f1].ll = res.ll.upper; |
| 1173 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
| 1174 |
} |
| 1175 |
|
| 1176 |
/* convert 32-bit float to 64-bit float */
|
| 1177 |
void HELPER(ldebr)(uint32_t r1, uint32_t r2)
|
| 1178 |
{
|
| 1179 |
env->fregs[r1].d = float32_to_float64(env->fregs[r2].l.upper, |
| 1180 |
&env->fpu_status); |
| 1181 |
} |
| 1182 |
|
| 1183 |
/* convert 128-bit float to 64-bit float */
|
| 1184 |
void HELPER(ldxbr)(uint32_t f1, uint32_t f2)
|
| 1185 |
{
|
| 1186 |
CPU_QuadU x2; |
| 1187 |
x2.ll.upper = env->fregs[f2].ll; |
| 1188 |
x2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1189 |
env->fregs[f1].d = float128_to_float64(x2.q, &env->fpu_status); |
| 1190 |
HELPER_LOG("%s: to 0x%ld\n", __FUNCTION__, env->fregs[f1].d);
|
| 1191 |
} |
| 1192 |
|
| 1193 |
/* convert 64-bit float to 128-bit float */
|
| 1194 |
void HELPER(lxdbr)(uint32_t f1, uint32_t f2)
|
| 1195 |
{
|
| 1196 |
CPU_QuadU res; |
| 1197 |
res.q = float64_to_float128(env->fregs[f2].d, &env->fpu_status); |
| 1198 |
env->fregs[f1].ll = res.ll.upper; |
| 1199 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
| 1200 |
} |
| 1201 |
|
| 1202 |
/* convert 64-bit float to 32-bit float */
|
| 1203 |
void HELPER(ledbr)(uint32_t f1, uint32_t f2)
|
| 1204 |
{
|
| 1205 |
float64 d2 = env->fregs[f2].d; |
| 1206 |
env->fregs[f1].l.upper = float64_to_float32(d2, &env->fpu_status); |
| 1207 |
} |
| 1208 |
|
| 1209 |
/* convert 128-bit float to 32-bit float */
|
| 1210 |
void HELPER(lexbr)(uint32_t f1, uint32_t f2)
|
| 1211 |
{
|
| 1212 |
CPU_QuadU x2; |
| 1213 |
x2.ll.upper = env->fregs[f2].ll; |
| 1214 |
x2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1215 |
env->fregs[f1].l.upper = float128_to_float32(x2.q, &env->fpu_status); |
| 1216 |
HELPER_LOG("%s: to 0x%d\n", __FUNCTION__, env->fregs[f1].l.upper);
|
| 1217 |
} |
| 1218 |
|
| 1219 |
/* absolute value of 32-bit float */
|
| 1220 |
uint32_t HELPER(lpebr)(uint32_t f1, uint32_t f2) |
| 1221 |
{
|
| 1222 |
float32 v1; |
| 1223 |
float32 v2 = env->fregs[f2].d; |
| 1224 |
v1 = float32_abs(v2); |
| 1225 |
env->fregs[f1].d = v1; |
| 1226 |
return set_cc_nz_f32(v1);
|
| 1227 |
} |
| 1228 |
|
| 1229 |
/* absolute value of 64-bit float */
|
| 1230 |
uint32_t HELPER(lpdbr)(uint32_t f1, uint32_t f2) |
| 1231 |
{
|
| 1232 |
float64 v1; |
| 1233 |
float64 v2 = env->fregs[f2].d; |
| 1234 |
v1 = float64_abs(v2); |
| 1235 |
env->fregs[f1].d = v1; |
| 1236 |
return set_cc_nz_f64(v1);
|
| 1237 |
} |
| 1238 |
|
| 1239 |
/* absolute value of 128-bit float */
|
| 1240 |
uint32_t HELPER(lpxbr)(uint32_t f1, uint32_t f2) |
| 1241 |
{
|
| 1242 |
CPU_QuadU v1; |
| 1243 |
CPU_QuadU v2; |
| 1244 |
v2.ll.upper = env->fregs[f2].ll; |
| 1245 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1246 |
v1.q = float128_abs(v2.q); |
| 1247 |
env->fregs[f1].ll = v1.ll.upper; |
| 1248 |
env->fregs[f1 + 2].ll = v1.ll.lower;
|
| 1249 |
return set_cc_nz_f128(v1.q);
|
| 1250 |
} |
| 1251 |
|
| 1252 |
/* load and test 64-bit float */
|
| 1253 |
uint32_t HELPER(ltdbr)(uint32_t f1, uint32_t f2) |
| 1254 |
{
|
| 1255 |
env->fregs[f1].d = env->fregs[f2].d; |
| 1256 |
return set_cc_nz_f64(env->fregs[f1].d);
|
| 1257 |
} |
| 1258 |
|
| 1259 |
/* load and test 32-bit float */
|
| 1260 |
uint32_t HELPER(ltebr)(uint32_t f1, uint32_t f2) |
| 1261 |
{
|
| 1262 |
env->fregs[f1].l.upper = env->fregs[f2].l.upper; |
| 1263 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
| 1264 |
} |
| 1265 |
|
| 1266 |
/* load and test 128-bit float */
|
| 1267 |
uint32_t HELPER(ltxbr)(uint32_t f1, uint32_t f2) |
| 1268 |
{
|
| 1269 |
CPU_QuadU x; |
| 1270 |
x.ll.upper = env->fregs[f2].ll; |
| 1271 |
x.ll.lower = env->fregs[f2 + 2].ll;
|
| 1272 |
env->fregs[f1].ll = x.ll.upper; |
| 1273 |
env->fregs[f1 + 2].ll = x.ll.lower;
|
| 1274 |
return set_cc_nz_f128(x.q);
|
| 1275 |
} |
| 1276 |
|
| 1277 |
/* load complement of 32-bit float */
|
| 1278 |
uint32_t HELPER(lcebr)(uint32_t f1, uint32_t f2) |
| 1279 |
{
|
| 1280 |
env->fregs[f1].l.upper = float32_chs(env->fregs[f2].l.upper); |
| 1281 |
|
| 1282 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
| 1283 |
} |
| 1284 |
|
| 1285 |
/* load complement of 64-bit float */
|
| 1286 |
uint32_t HELPER(lcdbr)(uint32_t f1, uint32_t f2) |
| 1287 |
{
|
| 1288 |
env->fregs[f1].d = float64_chs(env->fregs[f2].d); |
| 1289 |
|
| 1290 |
return set_cc_nz_f64(env->fregs[f1].d);
|
| 1291 |
} |
| 1292 |
|
| 1293 |
/* load complement of 128-bit float */
|
| 1294 |
uint32_t HELPER(lcxbr)(uint32_t f1, uint32_t f2) |
| 1295 |
{
|
| 1296 |
CPU_QuadU x1, x2; |
| 1297 |
x2.ll.upper = env->fregs[f2].ll; |
| 1298 |
x2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1299 |
x1.q = float128_chs(x2.q); |
| 1300 |
env->fregs[f1].ll = x1.ll.upper; |
| 1301 |
env->fregs[f1 + 2].ll = x1.ll.lower;
|
| 1302 |
return set_cc_nz_f128(x1.q);
|
| 1303 |
} |
| 1304 |
|
| 1305 |
/* 32-bit FP addition RM */
|
| 1306 |
void HELPER(aeb)(uint32_t f1, uint32_t val)
|
| 1307 |
{
|
| 1308 |
float32 v1 = env->fregs[f1].l.upper; |
| 1309 |
CPU_FloatU v2; |
| 1310 |
v2.l = val; |
| 1311 |
HELPER_LOG("%s: adding 0x%d from f%d and 0x%d\n", __FUNCTION__,
|
| 1312 |
v1, f1, v2.f); |
| 1313 |
env->fregs[f1].l.upper = float32_add(v1, v2.f, &env->fpu_status); |
| 1314 |
} |
| 1315 |
|
| 1316 |
/* 32-bit FP division RM */
|
| 1317 |
void HELPER(deb)(uint32_t f1, uint32_t val)
|
| 1318 |
{
|
| 1319 |
float32 v1 = env->fregs[f1].l.upper; |
| 1320 |
CPU_FloatU v2; |
| 1321 |
v2.l = val; |
| 1322 |
HELPER_LOG("%s: dividing 0x%d from f%d by 0x%d\n", __FUNCTION__,
|
| 1323 |
v1, f1, v2.f); |
| 1324 |
env->fregs[f1].l.upper = float32_div(v1, v2.f, &env->fpu_status); |
| 1325 |
} |
| 1326 |
|
| 1327 |
/* 32-bit FP multiplication RM */
|
| 1328 |
void HELPER(meeb)(uint32_t f1, uint32_t val)
|
| 1329 |
{
|
| 1330 |
float32 v1 = env->fregs[f1].l.upper; |
| 1331 |
CPU_FloatU v2; |
| 1332 |
v2.l = val; |
| 1333 |
HELPER_LOG("%s: multiplying 0x%d from f%d and 0x%d\n", __FUNCTION__,
|
| 1334 |
v1, f1, v2.f); |
| 1335 |
env->fregs[f1].l.upper = float32_mul(v1, v2.f, &env->fpu_status); |
| 1336 |
} |
| 1337 |
|
| 1338 |
/* 32-bit FP compare RR */
|
| 1339 |
uint32_t HELPER(cebr)(uint32_t f1, uint32_t f2) |
| 1340 |
{
|
| 1341 |
float32 v1 = env->fregs[f1].l.upper; |
| 1342 |
float32 v2 = env->fregs[f2].l.upper; |
| 1343 |
HELPER_LOG("%s: comparing 0x%d from f%d and 0x%d\n", __FUNCTION__,
|
| 1344 |
v1, f1, v2); |
| 1345 |
return set_cc_f32(v1, v2);
|
| 1346 |
} |
| 1347 |
|
| 1348 |
/* 64-bit FP compare RR */
|
| 1349 |
uint32_t HELPER(cdbr)(uint32_t f1, uint32_t f2) |
| 1350 |
{
|
| 1351 |
float64 v1 = env->fregs[f1].d; |
| 1352 |
float64 v2 = env->fregs[f2].d; |
| 1353 |
HELPER_LOG("%s: comparing 0x%ld from f%d and 0x%ld\n", __FUNCTION__,
|
| 1354 |
v1, f1, v2); |
| 1355 |
return set_cc_f64(v1, v2);
|
| 1356 |
} |
| 1357 |
|
| 1358 |
/* 128-bit FP compare RR */
|
| 1359 |
uint32_t HELPER(cxbr)(uint32_t f1, uint32_t f2) |
| 1360 |
{
|
| 1361 |
CPU_QuadU v1; |
| 1362 |
v1.ll.upper = env->fregs[f1].ll; |
| 1363 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
| 1364 |
CPU_QuadU v2; |
| 1365 |
v2.ll.upper = env->fregs[f2].ll; |
| 1366 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1367 |
|
| 1368 |
return float_comp_to_cc(float128_compare_quiet(v1.q, v2.q,
|
| 1369 |
&env->fpu_status)); |
| 1370 |
} |
| 1371 |
|
| 1372 |
/* 64-bit FP compare RM */
|
| 1373 |
uint32_t HELPER(cdb)(uint32_t f1, uint64_t a2) |
| 1374 |
{
|
| 1375 |
float64 v1 = env->fregs[f1].d; |
| 1376 |
CPU_DoubleU v2; |
| 1377 |
v2.ll = ldq(a2); |
| 1378 |
HELPER_LOG("%s: comparing 0x%ld from f%d and 0x%lx\n", __FUNCTION__, v1,
|
| 1379 |
f1, v2.d); |
| 1380 |
return set_cc_f64(v1, v2.d);
|
| 1381 |
} |
| 1382 |
|
| 1383 |
/* 64-bit FP addition RM */
|
| 1384 |
uint32_t HELPER(adb)(uint32_t f1, uint64_t a2) |
| 1385 |
{
|
| 1386 |
float64 v1 = env->fregs[f1].d; |
| 1387 |
CPU_DoubleU v2; |
| 1388 |
v2.ll = ldq(a2); |
| 1389 |
HELPER_LOG("%s: adding 0x%lx from f%d and 0x%lx\n", __FUNCTION__,
|
| 1390 |
v1, f1, v2.d); |
| 1391 |
env->fregs[f1].d = v1 = float64_add(v1, v2.d, &env->fpu_status); |
| 1392 |
return set_cc_nz_f64(v1);
|
| 1393 |
} |
| 1394 |
|
| 1395 |
/* 32-bit FP subtraction RM */
|
| 1396 |
void HELPER(seb)(uint32_t f1, uint32_t val)
|
| 1397 |
{
|
| 1398 |
float32 v1 = env->fregs[f1].l.upper; |
| 1399 |
CPU_FloatU v2; |
| 1400 |
v2.l = val; |
| 1401 |
env->fregs[f1].l.upper = float32_sub(v1, v2.f, &env->fpu_status); |
| 1402 |
} |
| 1403 |
|
| 1404 |
/* 64-bit FP subtraction RM */
|
| 1405 |
uint32_t HELPER(sdb)(uint32_t f1, uint64_t a2) |
| 1406 |
{
|
| 1407 |
float64 v1 = env->fregs[f1].d; |
| 1408 |
CPU_DoubleU v2; |
| 1409 |
v2.ll = ldq(a2); |
| 1410 |
env->fregs[f1].d = v1 = float64_sub(v1, v2.d, &env->fpu_status); |
| 1411 |
return set_cc_nz_f64(v1);
|
| 1412 |
} |
| 1413 |
|
| 1414 |
/* 64-bit FP multiplication RM */
|
| 1415 |
void HELPER(mdb)(uint32_t f1, uint64_t a2)
|
| 1416 |
{
|
| 1417 |
float64 v1 = env->fregs[f1].d; |
| 1418 |
CPU_DoubleU v2; |
| 1419 |
v2.ll = ldq(a2); |
| 1420 |
HELPER_LOG("%s: multiplying 0x%lx from f%d and 0x%ld\n", __FUNCTION__,
|
| 1421 |
v1, f1, v2.d); |
| 1422 |
env->fregs[f1].d = float64_mul(v1, v2.d, &env->fpu_status); |
| 1423 |
} |
| 1424 |
|
| 1425 |
/* 64-bit FP division RM */
|
| 1426 |
void HELPER(ddb)(uint32_t f1, uint64_t a2)
|
| 1427 |
{
|
| 1428 |
float64 v1 = env->fregs[f1].d; |
| 1429 |
CPU_DoubleU v2; |
| 1430 |
v2.ll = ldq(a2); |
| 1431 |
HELPER_LOG("%s: dividing 0x%lx from f%d by 0x%ld\n", __FUNCTION__,
|
| 1432 |
v1, f1, v2.d); |
| 1433 |
env->fregs[f1].d = float64_div(v1, v2.d, &env->fpu_status); |
| 1434 |
} |
| 1435 |
|
| 1436 |
static void set_round_mode(int m3) |
| 1437 |
{
|
| 1438 |
switch (m3) {
|
| 1439 |
case 0: |
| 1440 |
/* current mode */
|
| 1441 |
break;
|
| 1442 |
case 1: |
| 1443 |
/* biased round no nearest */
|
| 1444 |
case 4: |
| 1445 |
/* round to nearest */
|
| 1446 |
set_float_rounding_mode(float_round_nearest_even, &env->fpu_status); |
| 1447 |
break;
|
| 1448 |
case 5: |
| 1449 |
/* round to zero */
|
| 1450 |
set_float_rounding_mode(float_round_to_zero, &env->fpu_status); |
| 1451 |
break;
|
| 1452 |
case 6: |
| 1453 |
/* round to +inf */
|
| 1454 |
set_float_rounding_mode(float_round_up, &env->fpu_status); |
| 1455 |
break;
|
| 1456 |
case 7: |
| 1457 |
/* round to -inf */
|
| 1458 |
set_float_rounding_mode(float_round_down, &env->fpu_status); |
| 1459 |
break;
|
| 1460 |
} |
| 1461 |
} |
| 1462 |
|
| 1463 |
/* convert 32-bit float to 64-bit int */
|
| 1464 |
uint32_t HELPER(cgebr)(uint32_t r1, uint32_t f2, uint32_t m3) |
| 1465 |
{
|
| 1466 |
float32 v2 = env->fregs[f2].l.upper; |
| 1467 |
set_round_mode(m3); |
| 1468 |
env->regs[r1] = float32_to_int64(v2, &env->fpu_status); |
| 1469 |
return set_cc_nz_f32(v2);
|
| 1470 |
} |
| 1471 |
|
| 1472 |
/* convert 64-bit float to 64-bit int */
|
| 1473 |
uint32_t HELPER(cgdbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
| 1474 |
{
|
| 1475 |
float64 v2 = env->fregs[f2].d; |
| 1476 |
set_round_mode(m3); |
| 1477 |
env->regs[r1] = float64_to_int64(v2, &env->fpu_status); |
| 1478 |
return set_cc_nz_f64(v2);
|
| 1479 |
} |
| 1480 |
|
| 1481 |
/* convert 128-bit float to 64-bit int */
|
| 1482 |
uint32_t HELPER(cgxbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
| 1483 |
{
|
| 1484 |
CPU_QuadU v2; |
| 1485 |
v2.ll.upper = env->fregs[f2].ll; |
| 1486 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1487 |
set_round_mode(m3); |
| 1488 |
env->regs[r1] = float128_to_int64(v2.q, &env->fpu_status); |
| 1489 |
if (float128_is_any_nan(v2.q)) {
|
| 1490 |
return 3; |
| 1491 |
} else if (float128_is_zero(v2.q)) { |
| 1492 |
return 0; |
| 1493 |
} else if (float128_is_neg(v2.q)) { |
| 1494 |
return 1; |
| 1495 |
} else {
|
| 1496 |
return 2; |
| 1497 |
} |
| 1498 |
} |
| 1499 |
|
| 1500 |
/* convert 32-bit float to 32-bit int */
|
| 1501 |
uint32_t HELPER(cfebr)(uint32_t r1, uint32_t f2, uint32_t m3) |
| 1502 |
{
|
| 1503 |
float32 v2 = env->fregs[f2].l.upper; |
| 1504 |
set_round_mode(m3); |
| 1505 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
|
| 1506 |
float32_to_int32(v2, &env->fpu_status); |
| 1507 |
return set_cc_nz_f32(v2);
|
| 1508 |
} |
| 1509 |
|
| 1510 |
/* convert 64-bit float to 32-bit int */
|
| 1511 |
uint32_t HELPER(cfdbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
| 1512 |
{
|
| 1513 |
float64 v2 = env->fregs[f2].d; |
| 1514 |
set_round_mode(m3); |
| 1515 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
|
| 1516 |
float64_to_int32(v2, &env->fpu_status); |
| 1517 |
return set_cc_nz_f64(v2);
|
| 1518 |
} |
| 1519 |
|
| 1520 |
/* convert 128-bit float to 32-bit int */
|
| 1521 |
uint32_t HELPER(cfxbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
| 1522 |
{
|
| 1523 |
CPU_QuadU v2; |
| 1524 |
v2.ll.upper = env->fregs[f2].ll; |
| 1525 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1526 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
|
| 1527 |
float128_to_int32(v2.q, &env->fpu_status); |
| 1528 |
return set_cc_nz_f128(v2.q);
|
| 1529 |
} |
| 1530 |
|
| 1531 |
/* load 32-bit FP zero */
|
| 1532 |
void HELPER(lzer)(uint32_t f1)
|
| 1533 |
{
|
| 1534 |
env->fregs[f1].l.upper = float32_zero; |
| 1535 |
} |
| 1536 |
|
| 1537 |
/* load 64-bit FP zero */
|
| 1538 |
void HELPER(lzdr)(uint32_t f1)
|
| 1539 |
{
|
| 1540 |
env->fregs[f1].d = float64_zero; |
| 1541 |
} |
| 1542 |
|
| 1543 |
/* load 128-bit FP zero */
|
| 1544 |
void HELPER(lzxr)(uint32_t f1)
|
| 1545 |
{
|
| 1546 |
CPU_QuadU x; |
| 1547 |
x.q = float64_to_float128(float64_zero, &env->fpu_status); |
| 1548 |
env->fregs[f1].ll = x.ll.upper; |
| 1549 |
env->fregs[f1 + 1].ll = x.ll.lower;
|
| 1550 |
} |
| 1551 |
|
| 1552 |
/* 128-bit FP subtraction RR */
|
| 1553 |
uint32_t HELPER(sxbr)(uint32_t f1, uint32_t f2) |
| 1554 |
{
|
| 1555 |
CPU_QuadU v1; |
| 1556 |
v1.ll.upper = env->fregs[f1].ll; |
| 1557 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
| 1558 |
CPU_QuadU v2; |
| 1559 |
v2.ll.upper = env->fregs[f2].ll; |
| 1560 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1561 |
CPU_QuadU res; |
| 1562 |
res.q = float128_sub(v1.q, v2.q, &env->fpu_status); |
| 1563 |
env->fregs[f1].ll = res.ll.upper; |
| 1564 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
| 1565 |
return set_cc_nz_f128(res.q);
|
| 1566 |
} |
| 1567 |
|
| 1568 |
/* 128-bit FP addition RR */
|
| 1569 |
uint32_t HELPER(axbr)(uint32_t f1, uint32_t f2) |
| 1570 |
{
|
| 1571 |
CPU_QuadU v1; |
| 1572 |
v1.ll.upper = env->fregs[f1].ll; |
| 1573 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
| 1574 |
CPU_QuadU v2; |
| 1575 |
v2.ll.upper = env->fregs[f2].ll; |
| 1576 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
| 1577 |
CPU_QuadU res; |
| 1578 |
res.q = float128_add(v1.q, v2.q, &env->fpu_status); |
| 1579 |
env->fregs[f1].ll = res.ll.upper; |
| 1580 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
| 1581 |
return set_cc_nz_f128(res.q);
|
| 1582 |
} |
| 1583 |
|
| 1584 |
/* 32-bit FP multiplication RR */
|
| 1585 |
void HELPER(meebr)(uint32_t f1, uint32_t f2)
|
| 1586 |
{
|
| 1587 |
env->fregs[f1].l.upper = float32_mul(env->fregs[f1].l.upper, |
| 1588 |
env->fregs[f2].l.upper, |
| 1589 |
&env->fpu_status); |
| 1590 |
} |
| 1591 |
|
| 1592 |
/* 64-bit FP division RR */
|
| 1593 |
void HELPER(ddbr)(uint32_t f1, uint32_t f2)
|
| 1594 |
{
|
| 1595 |
env->fregs[f1].d = float64_div(env->fregs[f1].d, env->fregs[f2].d, |
| 1596 |
&env->fpu_status); |
| 1597 |
} |
| 1598 |
|
| 1599 |
/* 64-bit FP multiply and add RM */
|
| 1600 |
void HELPER(madb)(uint32_t f1, uint64_t a2, uint32_t f3)
|
| 1601 |
{
|
| 1602 |
HELPER_LOG("%s: f1 %d a2 0x%lx f3 %d\n", __FUNCTION__, f1, a2, f3);
|
| 1603 |
CPU_DoubleU v2; |
| 1604 |
v2.ll = ldq(a2); |
| 1605 |
env->fregs[f1].d = float64_add(env->fregs[f1].d, |
| 1606 |
float64_mul(v2.d, env->fregs[f3].d, |
| 1607 |
&env->fpu_status), |
| 1608 |
&env->fpu_status); |
| 1609 |
} |
| 1610 |
|
| 1611 |
/* 64-bit FP multiply and add RR */
|
| 1612 |
void HELPER(madbr)(uint32_t f1, uint32_t f3, uint32_t f2)
|
| 1613 |
{
|
| 1614 |
HELPER_LOG("%s: f1 %d f2 %d f3 %d\n", __FUNCTION__, f1, f2, f3);
|
| 1615 |
env->fregs[f1].d = float64_add(float64_mul(env->fregs[f2].d, |
| 1616 |
env->fregs[f3].d, |
| 1617 |
&env->fpu_status), |
| 1618 |
env->fregs[f1].d, &env->fpu_status); |
| 1619 |
} |
| 1620 |
|
| 1621 |
/* 64-bit FP multiply and subtract RR */
|
| 1622 |
void HELPER(msdbr)(uint32_t f1, uint32_t f3, uint32_t f2)
|
| 1623 |
{
|
| 1624 |
HELPER_LOG("%s: f1 %d f2 %d f3 %d\n", __FUNCTION__, f1, f2, f3);
|
| 1625 |
env->fregs[f1].d = float64_sub(float64_mul(env->fregs[f2].d, |
| 1626 |
env->fregs[f3].d, |
| 1627 |
&env->fpu_status), |
| 1628 |
env->fregs[f1].d, &env->fpu_status); |
| 1629 |
} |
| 1630 |
|
| 1631 |
/* 32-bit FP multiply and add RR */
|
| 1632 |
void HELPER(maebr)(uint32_t f1, uint32_t f3, uint32_t f2)
|
| 1633 |
{
|
| 1634 |
env->fregs[f1].l.upper = float32_add(env->fregs[f1].l.upper, |
| 1635 |
float32_mul(env->fregs[f2].l.upper, |
| 1636 |
env->fregs[f3].l.upper, |
| 1637 |
&env->fpu_status), |
| 1638 |
&env->fpu_status); |
| 1639 |
} |
| 1640 |
|
| 1641 |
/* convert 32-bit float to 64-bit float */
|
| 1642 |
void HELPER(ldeb)(uint32_t f1, uint64_t a2)
|
| 1643 |
{
|
| 1644 |
uint32_t v2; |
| 1645 |
v2 = ldl(a2); |
| 1646 |
env->fregs[f1].d = float32_to_float64(v2, |
| 1647 |
&env->fpu_status); |
| 1648 |
} |
| 1649 |
|
| 1650 |
/* convert 64-bit float to 128-bit float */
|
| 1651 |
void HELPER(lxdb)(uint32_t f1, uint64_t a2)
|
| 1652 |
{
|
| 1653 |
CPU_DoubleU v2; |
| 1654 |
v2.ll = ldq(a2); |
| 1655 |
CPU_QuadU v1; |
| 1656 |
v1.q = float64_to_float128(v2.d, &env->fpu_status); |
| 1657 |
env->fregs[f1].ll = v1.ll.upper; |
| 1658 |
env->fregs[f1 + 2].ll = v1.ll.lower;
|
| 1659 |
} |
| 1660 |
|
| 1661 |
/* test data class 32-bit */
|
| 1662 |
uint32_t HELPER(tceb)(uint32_t f1, uint64_t m2) |
| 1663 |
{
|
| 1664 |
float32 v1 = env->fregs[f1].l.upper; |
| 1665 |
int neg = float32_is_neg(v1);
|
| 1666 |
uint32_t cc = 0;
|
| 1667 |
|
| 1668 |
HELPER_LOG("%s: v1 0x%lx m2 0x%lx neg %d\n", __FUNCTION__, (long)v1, m2, neg); |
| 1669 |
if ((float32_is_zero(v1) && (m2 & (1 << (11-neg)))) || |
| 1670 |
(float32_is_infinity(v1) && (m2 & (1 << (5-neg)))) || |
| 1671 |
(float32_is_any_nan(v1) && (m2 & (1 << (3-neg)))) || |
| 1672 |
(float32_is_signaling_nan(v1) && (m2 & (1 << (1-neg))))) { |
| 1673 |
cc = 1;
|
| 1674 |
} else if (m2 & (1 << (9-neg))) { |
| 1675 |
/* assume normalized number */
|
| 1676 |
cc = 1;
|
| 1677 |
} |
| 1678 |
|
| 1679 |
/* FIXME: denormalized? */
|
| 1680 |
return cc;
|
| 1681 |
} |
| 1682 |
|
| 1683 |
/* test data class 64-bit */
|
| 1684 |
uint32_t HELPER(tcdb)(uint32_t f1, uint64_t m2) |
| 1685 |
{
|
| 1686 |
float64 v1 = env->fregs[f1].d; |
| 1687 |
int neg = float64_is_neg(v1);
|
| 1688 |
uint32_t cc = 0;
|
| 1689 |
|
| 1690 |
HELPER_LOG("%s: v1 0x%lx m2 0x%lx neg %d\n", __FUNCTION__, v1, m2, neg);
|
| 1691 |
if ((float64_is_zero(v1) && (m2 & (1 << (11-neg)))) || |
| 1692 |
(float64_is_infinity(v1) && (m2 & (1 << (5-neg)))) || |
| 1693 |
(float64_is_any_nan(v1) && (m2 & (1 << (3-neg)))) || |
| 1694 |
(float64_is_signaling_nan(v1) && (m2 & (1 << (1-neg))))) { |
| 1695 |
cc = 1;
|
| 1696 |
} else if (m2 & (1 << (9-neg))) { |
| 1697 |
/* assume normalized number */
|
| 1698 |
cc = 1;
|
| 1699 |
} |
| 1700 |
/* FIXME: denormalized? */
|
| 1701 |
return cc;
|
| 1702 |
} |
| 1703 |
|
| 1704 |
/* test data class 128-bit */
|
| 1705 |
uint32_t HELPER(tcxb)(uint32_t f1, uint64_t m2) |
| 1706 |
{
|
| 1707 |
CPU_QuadU v1; |
| 1708 |
uint32_t cc = 0;
|
| 1709 |
v1.ll.upper = env->fregs[f1].ll; |
| 1710 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
| 1711 |
|
| 1712 |
int neg = float128_is_neg(v1.q);
|
| 1713 |
if ((float128_is_zero(v1.q) && (m2 & (1 << (11-neg)))) || |
| 1714 |
(float128_is_infinity(v1.q) && (m2 & (1 << (5-neg)))) || |
| 1715 |
(float128_is_any_nan(v1.q) && (m2 & (1 << (3-neg)))) || |
| 1716 |
(float128_is_signaling_nan(v1.q) && (m2 & (1 << (1-neg))))) { |
| 1717 |
cc = 1;
|
| 1718 |
} else if (m2 & (1 << (9-neg))) { |
| 1719 |
/* assume normalized number */
|
| 1720 |
cc = 1;
|
| 1721 |
} |
| 1722 |
/* FIXME: denormalized? */
|
| 1723 |
return cc;
|
| 1724 |
} |
| 1725 |
|
| 1726 |
/* find leftmost one */
|
| 1727 |
uint32_t HELPER(flogr)(uint32_t r1, uint64_t v2) |
| 1728 |
{
|
| 1729 |
uint64_t res = 0;
|
| 1730 |
uint64_t ov2 = v2; |
| 1731 |
|
| 1732 |
while (!(v2 & 0x8000000000000000ULL) && v2) { |
| 1733 |
v2 <<= 1;
|
| 1734 |
res++; |
| 1735 |
} |
| 1736 |
|
| 1737 |
if (!v2) {
|
| 1738 |
env->regs[r1] = 64;
|
| 1739 |
env->regs[r1 + 1] = 0; |
| 1740 |
return 0; |
| 1741 |
} else {
|
| 1742 |
env->regs[r1] = res; |
| 1743 |
env->regs[r1 + 1] = ov2 & ~(0x8000000000000000ULL >> res); |
| 1744 |
return 2; |
| 1745 |
} |
| 1746 |
} |
| 1747 |
|
| 1748 |
/* square root 64-bit RR */
|
| 1749 |
void HELPER(sqdbr)(uint32_t f1, uint32_t f2)
|
| 1750 |
{
|
| 1751 |
env->fregs[f1].d = float64_sqrt(env->fregs[f2].d, &env->fpu_status); |
| 1752 |
} |
| 1753 |
|
| 1754 |
/* checksum */
|
| 1755 |
void HELPER(cksm)(uint32_t r1, uint32_t r2)
|
| 1756 |
{
|
| 1757 |
uint64_t src = get_address_31fix(r2); |
| 1758 |
uint64_t src_len = env->regs[(r2 + 1) & 15]; |
| 1759 |
uint64_t cksm = (uint32_t)env->regs[r1]; |
| 1760 |
|
| 1761 |
while (src_len >= 4) { |
| 1762 |
cksm += ldl(src); |
| 1763 |
|
| 1764 |
/* move to next word */
|
| 1765 |
src_len -= 4;
|
| 1766 |
src += 4;
|
| 1767 |
} |
| 1768 |
|
| 1769 |
switch (src_len) {
|
| 1770 |
case 0: |
| 1771 |
break;
|
| 1772 |
case 1: |
| 1773 |
cksm += ldub(src) << 24;
|
| 1774 |
break;
|
| 1775 |
case 2: |
| 1776 |
cksm += lduw(src) << 16;
|
| 1777 |
break;
|
| 1778 |
case 3: |
| 1779 |
cksm += lduw(src) << 16;
|
| 1780 |
cksm += ldub(src + 2) << 8; |
| 1781 |
break;
|
| 1782 |
} |
| 1783 |
|
| 1784 |
/* indicate we've processed everything */
|
| 1785 |
env->regs[r2] = src + src_len; |
| 1786 |
env->regs[(r2 + 1) & 15] = 0; |
| 1787 |
|
| 1788 |
/* store result */
|
| 1789 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
|
| 1790 |
((uint32_t)cksm + (cksm >> 32));
|
| 1791 |
} |
| 1792 |
|
| 1793 |
static inline uint32_t cc_calc_ltgt_32(CPUS390XState *env, int32_t src, |
| 1794 |
int32_t dst) |
| 1795 |
{
|
| 1796 |
if (src == dst) {
|
| 1797 |
return 0; |
| 1798 |
} else if (src < dst) { |
| 1799 |
return 1; |
| 1800 |
} else {
|
| 1801 |
return 2; |
| 1802 |
} |
| 1803 |
} |
| 1804 |
|
| 1805 |
static inline uint32_t cc_calc_ltgt0_32(CPUS390XState *env, int32_t dst) |
| 1806 |
{
|
| 1807 |
return cc_calc_ltgt_32(env, dst, 0); |
| 1808 |
} |
| 1809 |
|
| 1810 |
static inline uint32_t cc_calc_ltgt_64(CPUS390XState *env, int64_t src, |
| 1811 |
int64_t dst) |
| 1812 |
{
|
| 1813 |
if (src == dst) {
|
| 1814 |
return 0; |
| 1815 |
} else if (src < dst) { |
| 1816 |
return 1; |
| 1817 |
} else {
|
| 1818 |
return 2; |
| 1819 |
} |
| 1820 |
} |
| 1821 |
|
| 1822 |
static inline uint32_t cc_calc_ltgt0_64(CPUS390XState *env, int64_t dst) |
| 1823 |
{
|
| 1824 |
return cc_calc_ltgt_64(env, dst, 0); |
| 1825 |
} |
| 1826 |
|
| 1827 |
static inline uint32_t cc_calc_ltugtu_32(CPUS390XState *env, uint32_t src, |
| 1828 |
uint32_t dst) |
| 1829 |
{
|
| 1830 |
if (src == dst) {
|
| 1831 |
return 0; |
| 1832 |
} else if (src < dst) { |
| 1833 |
return 1; |
| 1834 |
} else {
|
| 1835 |
return 2; |
| 1836 |
} |
| 1837 |
} |
| 1838 |
|
| 1839 |
static inline uint32_t cc_calc_ltugtu_64(CPUS390XState *env, uint64_t src, |
| 1840 |
uint64_t dst) |
| 1841 |
{
|
| 1842 |
if (src == dst) {
|
| 1843 |
return 0; |
| 1844 |
} else if (src < dst) { |
| 1845 |
return 1; |
| 1846 |
} else {
|
| 1847 |
return 2; |
| 1848 |
} |
| 1849 |
} |
| 1850 |
|
| 1851 |
static inline uint32_t cc_calc_tm_32(CPUS390XState *env, uint32_t val, uint32_t mask) |
| 1852 |
{
|
| 1853 |
HELPER_LOG("%s: val 0x%x mask 0x%x\n", __FUNCTION__, val, mask);
|
| 1854 |
uint16_t r = val & mask; |
| 1855 |
if (r == 0 || mask == 0) { |
| 1856 |
return 0; |
| 1857 |
} else if (r == mask) { |
| 1858 |
return 3; |
| 1859 |
} else {
|
| 1860 |
return 1; |
| 1861 |
} |
| 1862 |
} |
| 1863 |
|
| 1864 |
/* set condition code for test under mask */
|
| 1865 |
static inline uint32_t cc_calc_tm_64(CPUS390XState *env, uint64_t val, uint32_t mask) |
| 1866 |
{
|
| 1867 |
uint16_t r = val & mask; |
| 1868 |
HELPER_LOG("%s: val 0x%lx mask 0x%x r 0x%x\n", __FUNCTION__, val, mask, r);
|
| 1869 |
if (r == 0 || mask == 0) { |
| 1870 |
return 0; |
| 1871 |
} else if (r == mask) { |
| 1872 |
return 3; |
| 1873 |
} else {
|
| 1874 |
while (!(mask & 0x8000)) { |
| 1875 |
mask <<= 1;
|
| 1876 |
val <<= 1;
|
| 1877 |
} |
| 1878 |
if (val & 0x8000) { |
| 1879 |
return 2; |
| 1880 |
} else {
|
| 1881 |
return 1; |
| 1882 |
} |
| 1883 |
} |
| 1884 |
} |
| 1885 |
|
| 1886 |
static inline uint32_t cc_calc_nz(CPUS390XState *env, uint64_t dst) |
| 1887 |
{
|
| 1888 |
return !!dst;
|
| 1889 |
} |
| 1890 |
|
| 1891 |
static inline uint32_t cc_calc_add_64(CPUS390XState *env, int64_t a1, int64_t a2, |
| 1892 |
int64_t ar) |
| 1893 |
{
|
| 1894 |
if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) { |
| 1895 |
return 3; /* overflow */ |
| 1896 |
} else {
|
| 1897 |
if (ar < 0) { |
| 1898 |
return 1; |
| 1899 |
} else if (ar > 0) { |
| 1900 |
return 2; |
| 1901 |
} else {
|
| 1902 |
return 0; |
| 1903 |
} |
| 1904 |
} |
| 1905 |
} |
| 1906 |
|
| 1907 |
static inline uint32_t cc_calc_addu_64(CPUS390XState *env, uint64_t a1, uint64_t a2, |
| 1908 |
uint64_t ar) |
| 1909 |
{
|
| 1910 |
if (ar == 0) { |
| 1911 |
if (a1) {
|
| 1912 |
return 2; |
| 1913 |
} else {
|
| 1914 |
return 0; |
| 1915 |
} |
| 1916 |
} else {
|
| 1917 |
if (ar < a1 || ar < a2) {
|
| 1918 |
return 3; |
| 1919 |
} else {
|
| 1920 |
return 1; |
| 1921 |
} |
| 1922 |
} |
| 1923 |
} |
| 1924 |
|
| 1925 |
static inline uint32_t cc_calc_sub_64(CPUS390XState *env, int64_t a1, int64_t a2, |
| 1926 |
int64_t ar) |
| 1927 |
{
|
| 1928 |
if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) { |
| 1929 |
return 3; /* overflow */ |
| 1930 |
} else {
|
| 1931 |
if (ar < 0) { |
| 1932 |
return 1; |
| 1933 |
} else if (ar > 0) { |
| 1934 |
return 2; |
| 1935 |
} else {
|
| 1936 |
return 0; |
| 1937 |
} |
| 1938 |
} |
| 1939 |
} |
| 1940 |
|
| 1941 |
static inline uint32_t cc_calc_subu_64(CPUS390XState *env, uint64_t a1, uint64_t a2, |
| 1942 |
uint64_t ar) |
| 1943 |
{
|
| 1944 |
if (ar == 0) { |
| 1945 |
return 2; |
| 1946 |
} else {
|
| 1947 |
if (a2 > a1) {
|
| 1948 |
return 1; |
| 1949 |
} else {
|
| 1950 |
return 3; |
| 1951 |
} |
| 1952 |
} |
| 1953 |
} |
| 1954 |
|
| 1955 |
static inline uint32_t cc_calc_abs_64(CPUS390XState *env, int64_t dst) |
| 1956 |
{
|
| 1957 |
if ((uint64_t)dst == 0x8000000000000000ULL) { |
| 1958 |
return 3; |
| 1959 |
} else if (dst) { |
| 1960 |
return 1; |
| 1961 |
} else {
|
| 1962 |
return 0; |
| 1963 |
} |
| 1964 |
} |
| 1965 |
|
| 1966 |
static inline uint32_t cc_calc_nabs_64(CPUS390XState *env, int64_t dst) |
| 1967 |
{
|
| 1968 |
return !!dst;
|
| 1969 |
} |
| 1970 |
|
| 1971 |
static inline uint32_t cc_calc_comp_64(CPUS390XState *env, int64_t dst) |
| 1972 |
{
|
| 1973 |
if ((uint64_t)dst == 0x8000000000000000ULL) { |
| 1974 |
return 3; |
| 1975 |
} else if (dst < 0) { |
| 1976 |
return 1; |
| 1977 |
} else if (dst > 0) { |
| 1978 |
return 2; |
| 1979 |
} else {
|
| 1980 |
return 0; |
| 1981 |
} |
| 1982 |
} |
| 1983 |
|
| 1984 |
|
| 1985 |
static inline uint32_t cc_calc_add_32(CPUS390XState *env, int32_t a1, int32_t a2, |
| 1986 |
int32_t ar) |
| 1987 |
{
|
| 1988 |
if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) { |
| 1989 |
return 3; /* overflow */ |
| 1990 |
} else {
|
| 1991 |
if (ar < 0) { |
| 1992 |
return 1; |
| 1993 |
} else if (ar > 0) { |
| 1994 |
return 2; |
| 1995 |
} else {
|
| 1996 |
return 0; |
| 1997 |
} |
| 1998 |
} |
| 1999 |
} |
| 2000 |
|
| 2001 |
static inline uint32_t cc_calc_addu_32(CPUS390XState *env, uint32_t a1, uint32_t a2, |
| 2002 |
uint32_t ar) |
| 2003 |
{
|
| 2004 |
if (ar == 0) { |
| 2005 |
if (a1) {
|
| 2006 |
return 2; |
| 2007 |
} else {
|
| 2008 |
return 0; |
| 2009 |
} |
| 2010 |
} else {
|
| 2011 |
if (ar < a1 || ar < a2) {
|
| 2012 |
return 3; |
| 2013 |
} else {
|
| 2014 |
return 1; |
| 2015 |
} |
| 2016 |
} |
| 2017 |
} |
| 2018 |
|
| 2019 |
static inline uint32_t cc_calc_sub_32(CPUS390XState *env, int32_t a1, int32_t a2, |
| 2020 |
int32_t ar) |
| 2021 |
{
|
| 2022 |
if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) { |
| 2023 |
return 3; /* overflow */ |
| 2024 |
} else {
|
| 2025 |
if (ar < 0) { |
| 2026 |
return 1; |
| 2027 |
} else if (ar > 0) { |
| 2028 |
return 2; |
| 2029 |
} else {
|
| 2030 |
return 0; |
| 2031 |
} |
| 2032 |
} |
| 2033 |
} |
| 2034 |
|
| 2035 |
static inline uint32_t cc_calc_subu_32(CPUS390XState *env, uint32_t a1, uint32_t a2, |
| 2036 |
uint32_t ar) |
| 2037 |
{
|
| 2038 |
if (ar == 0) { |
| 2039 |
return 2; |
| 2040 |
} else {
|
| 2041 |
if (a2 > a1) {
|
| 2042 |
return 1; |
| 2043 |
} else {
|
| 2044 |
return 3; |
| 2045 |
} |
| 2046 |
} |
| 2047 |
} |
| 2048 |
|
| 2049 |
static inline uint32_t cc_calc_abs_32(CPUS390XState *env, int32_t dst) |
| 2050 |
{
|
| 2051 |
if ((uint32_t)dst == 0x80000000UL) { |
| 2052 |
return 3; |
| 2053 |
} else if (dst) { |
| 2054 |
return 1; |
| 2055 |
} else {
|
| 2056 |
return 0; |
| 2057 |
} |
| 2058 |
} |
| 2059 |
|
| 2060 |
static inline uint32_t cc_calc_nabs_32(CPUS390XState *env, int32_t dst) |
| 2061 |
{
|
| 2062 |
return !!dst;
|
| 2063 |
} |
| 2064 |
|
| 2065 |
static inline uint32_t cc_calc_comp_32(CPUS390XState *env, int32_t dst) |
| 2066 |
{
|
| 2067 |
if ((uint32_t)dst == 0x80000000UL) { |
| 2068 |
return 3; |
| 2069 |
} else if (dst < 0) { |
| 2070 |
return 1; |
| 2071 |
} else if (dst > 0) { |
| 2072 |
return 2; |
| 2073 |
} else {
|
| 2074 |
return 0; |
| 2075 |
} |
| 2076 |
} |
| 2077 |
|
| 2078 |
/* calculate condition code for insert character under mask insn */
|
| 2079 |
static inline uint32_t cc_calc_icm_32(CPUS390XState *env, uint32_t mask, uint32_t val) |
| 2080 |
{
|
| 2081 |
HELPER_LOG("%s: mask 0x%x val %d\n", __FUNCTION__, mask, val);
|
| 2082 |
uint32_t cc; |
| 2083 |
|
| 2084 |
if (mask == 0xf) { |
| 2085 |
if (!val) {
|
| 2086 |
return 0; |
| 2087 |
} else if (val & 0x80000000) { |
| 2088 |
return 1; |
| 2089 |
} else {
|
| 2090 |
return 2; |
| 2091 |
} |
| 2092 |
} |
| 2093 |
|
| 2094 |
if (!val || !mask) {
|
| 2095 |
cc = 0;
|
| 2096 |
} else {
|
| 2097 |
while (mask != 1) { |
| 2098 |
mask >>= 1;
|
| 2099 |
val >>= 8;
|
| 2100 |
} |
| 2101 |
if (val & 0x80) { |
| 2102 |
cc = 1;
|
| 2103 |
} else {
|
| 2104 |
cc = 2;
|
| 2105 |
} |
| 2106 |
} |
| 2107 |
return cc;
|
| 2108 |
} |
| 2109 |
|
| 2110 |
static inline uint32_t cc_calc_slag(CPUS390XState *env, uint64_t src, uint64_t shift) |
| 2111 |
{
|
| 2112 |
uint64_t mask = ((1ULL << shift) - 1ULL) << (64 - shift); |
| 2113 |
uint64_t match, r; |
| 2114 |
|
| 2115 |
/* check if the sign bit stays the same */
|
| 2116 |
if (src & (1ULL << 63)) { |
| 2117 |
match = mask; |
| 2118 |
} else {
|
| 2119 |
match = 0;
|
| 2120 |
} |
| 2121 |
|
| 2122 |
if ((src & mask) != match) {
|
| 2123 |
/* overflow */
|
| 2124 |
return 3; |
| 2125 |
} |
| 2126 |
|
| 2127 |
r = ((src << shift) & ((1ULL << 63) - 1)) | (src & (1ULL << 63)); |
| 2128 |
|
| 2129 |
if ((int64_t)r == 0) { |
| 2130 |
return 0; |
| 2131 |
} else if ((int64_t)r < 0) { |
| 2132 |
return 1; |
| 2133 |
} |
| 2134 |
|
| 2135 |
return 2; |
| 2136 |
} |
| 2137 |
|
| 2138 |
|
| 2139 |
static inline uint32_t do_calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, |
| 2140 |
uint64_t dst, uint64_t vr) |
| 2141 |
{
|
| 2142 |
uint32_t r = 0;
|
| 2143 |
|
| 2144 |
switch (cc_op) {
|
| 2145 |
case CC_OP_CONST0:
|
| 2146 |
case CC_OP_CONST1:
|
| 2147 |
case CC_OP_CONST2:
|
| 2148 |
case CC_OP_CONST3:
|
| 2149 |
/* cc_op value _is_ cc */
|
| 2150 |
r = cc_op; |
| 2151 |
break;
|
| 2152 |
case CC_OP_LTGT0_32:
|
| 2153 |
r = cc_calc_ltgt0_32(env, dst); |
| 2154 |
break;
|
| 2155 |
case CC_OP_LTGT0_64:
|
| 2156 |
r = cc_calc_ltgt0_64(env, dst); |
| 2157 |
break;
|
| 2158 |
case CC_OP_LTGT_32:
|
| 2159 |
r = cc_calc_ltgt_32(env, src, dst); |
| 2160 |
break;
|
| 2161 |
case CC_OP_LTGT_64:
|
| 2162 |
r = cc_calc_ltgt_64(env, src, dst); |
| 2163 |
break;
|
| 2164 |
case CC_OP_LTUGTU_32:
|
| 2165 |
r = cc_calc_ltugtu_32(env, src, dst); |
| 2166 |
break;
|
| 2167 |
case CC_OP_LTUGTU_64:
|
| 2168 |
r = cc_calc_ltugtu_64(env, src, dst); |
| 2169 |
break;
|
| 2170 |
case CC_OP_TM_32:
|
| 2171 |
r = cc_calc_tm_32(env, src, dst); |
| 2172 |
break;
|
| 2173 |
case CC_OP_TM_64:
|
| 2174 |
r = cc_calc_tm_64(env, src, dst); |
| 2175 |
break;
|
| 2176 |
case CC_OP_NZ:
|
| 2177 |
r = cc_calc_nz(env, dst); |
| 2178 |
break;
|
| 2179 |
case CC_OP_ADD_64:
|
| 2180 |
r = cc_calc_add_64(env, src, dst, vr); |
| 2181 |
break;
|
| 2182 |
case CC_OP_ADDU_64:
|
| 2183 |
r = cc_calc_addu_64(env, src, dst, vr); |
| 2184 |
break;
|
| 2185 |
case CC_OP_SUB_64:
|
| 2186 |
r = cc_calc_sub_64(env, src, dst, vr); |
| 2187 |
break;
|
| 2188 |
case CC_OP_SUBU_64:
|
| 2189 |
r = cc_calc_subu_64(env, src, dst, vr); |
| 2190 |
break;
|
| 2191 |
case CC_OP_ABS_64:
|
| 2192 |
r = cc_calc_abs_64(env, dst); |
| 2193 |
break;
|
| 2194 |
case CC_OP_NABS_64:
|
| 2195 |
r = cc_calc_nabs_64(env, dst); |
| 2196 |
break;
|
| 2197 |
case CC_OP_COMP_64:
|
| 2198 |
r = cc_calc_comp_64(env, dst); |
| 2199 |
break;
|
| 2200 |
|
| 2201 |
case CC_OP_ADD_32:
|
| 2202 |
r = cc_calc_add_32(env, src, dst, vr); |
| 2203 |
break;
|
| 2204 |
case CC_OP_ADDU_32:
|
| 2205 |
r = cc_calc_addu_32(env, src, dst, vr); |
| 2206 |
break;
|
| 2207 |
case CC_OP_SUB_32:
|
| 2208 |
r = cc_calc_sub_32(env, src, dst, vr); |
| 2209 |
break;
|
| 2210 |
case CC_OP_SUBU_32:
|
| 2211 |
r = cc_calc_subu_32(env, src, dst, vr); |
| 2212 |
break;
|
| 2213 |
case CC_OP_ABS_32:
|
| 2214 |
r = cc_calc_abs_64(env, dst); |
| 2215 |
break;
|
| 2216 |
case CC_OP_NABS_32:
|
| 2217 |
r = cc_calc_nabs_64(env, dst); |
| 2218 |
break;
|
| 2219 |
case CC_OP_COMP_32:
|
| 2220 |
r = cc_calc_comp_32(env, dst); |
| 2221 |
break;
|
| 2222 |
|
| 2223 |
case CC_OP_ICM:
|
| 2224 |
r = cc_calc_icm_32(env, src, dst); |
| 2225 |
break;
|
| 2226 |
case CC_OP_SLAG:
|
| 2227 |
r = cc_calc_slag(env, src, dst); |
| 2228 |
break;
|
| 2229 |
|
| 2230 |
case CC_OP_LTGT_F32:
|
| 2231 |
r = set_cc_f32(src, dst); |
| 2232 |
break;
|
| 2233 |
case CC_OP_LTGT_F64:
|
| 2234 |
r = set_cc_f64(src, dst); |
| 2235 |
break;
|
| 2236 |
case CC_OP_NZ_F32:
|
| 2237 |
r = set_cc_nz_f32(dst); |
| 2238 |
break;
|
| 2239 |
case CC_OP_NZ_F64:
|
| 2240 |
r = set_cc_nz_f64(dst); |
| 2241 |
break;
|
| 2242 |
|
| 2243 |
default:
|
| 2244 |
cpu_abort(env, "Unknown CC operation: %s\n", cc_name(cc_op));
|
| 2245 |
} |
| 2246 |
|
| 2247 |
HELPER_LOG("%s: %15s 0x%016lx 0x%016lx 0x%016lx = %d\n", __FUNCTION__,
|
| 2248 |
cc_name(cc_op), src, dst, vr, r); |
| 2249 |
return r;
|
| 2250 |
} |
| 2251 |
|
| 2252 |
uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst, |
| 2253 |
uint64_t vr) |
| 2254 |
{
|
| 2255 |
return do_calc_cc(env, cc_op, src, dst, vr);
|
| 2256 |
} |
| 2257 |
|
| 2258 |
uint32_t HELPER(calc_cc)(uint32_t cc_op, uint64_t src, uint64_t dst, |
| 2259 |
uint64_t vr) |
| 2260 |
{
|
| 2261 |
return do_calc_cc(env, cc_op, src, dst, vr);
|
| 2262 |
} |
| 2263 |
|
| 2264 |
uint64_t HELPER(cvd)(int32_t bin) |
| 2265 |
{
|
| 2266 |
/* positive 0 */
|
| 2267 |
uint64_t dec = 0x0c;
|
| 2268 |
int shift = 4; |
| 2269 |
|
| 2270 |
if (bin < 0) { |
| 2271 |
bin = -bin; |
| 2272 |
dec = 0x0d;
|
| 2273 |
} |
| 2274 |
|
| 2275 |
for (shift = 4; (shift < 64) && bin; shift += 4) { |
| 2276 |
int current_number = bin % 10; |
| 2277 |
|
| 2278 |
dec |= (current_number) << shift; |
| 2279 |
bin /= 10;
|
| 2280 |
} |
| 2281 |
|
| 2282 |
return dec;
|
| 2283 |
} |
| 2284 |
|
| 2285 |
void HELPER(unpk)(uint32_t len, uint64_t dest, uint64_t src)
|
| 2286 |
{
|
| 2287 |
int len_dest = len >> 4; |
| 2288 |
int len_src = len & 0xf; |
| 2289 |
uint8_t b; |
| 2290 |
int second_nibble = 0; |
| 2291 |
|
| 2292 |
dest += len_dest; |
| 2293 |
src += len_src; |
| 2294 |
|
| 2295 |
/* last byte is special, it only flips the nibbles */
|
| 2296 |
b = ldub(src); |
| 2297 |
stb(dest, (b << 4) | (b >> 4)); |
| 2298 |
src--; |
| 2299 |
len_src--; |
| 2300 |
|
| 2301 |
/* now pad every nibble with 0xf0 */
|
| 2302 |
|
| 2303 |
while (len_dest > 0) { |
| 2304 |
uint8_t cur_byte = 0;
|
| 2305 |
|
| 2306 |
if (len_src > 0) { |
| 2307 |
cur_byte = ldub(src); |
| 2308 |
} |
| 2309 |
|
| 2310 |
len_dest--; |
| 2311 |
dest--; |
| 2312 |
|
| 2313 |
/* only advance one nibble at a time */
|
| 2314 |
if (second_nibble) {
|
| 2315 |
cur_byte >>= 4;
|
| 2316 |
len_src--; |
| 2317 |
src--; |
| 2318 |
} |
| 2319 |
second_nibble = !second_nibble; |
| 2320 |
|
| 2321 |
/* digit */
|
| 2322 |
cur_byte = (cur_byte & 0xf);
|
| 2323 |
/* zone bits */
|
| 2324 |
cur_byte |= 0xf0;
|
| 2325 |
|
| 2326 |
stb(dest, cur_byte); |
| 2327 |
} |
| 2328 |
} |
| 2329 |
|
| 2330 |
void HELPER(tr)(uint32_t len, uint64_t array, uint64_t trans)
|
| 2331 |
{
|
| 2332 |
int i;
|
| 2333 |
|
| 2334 |
for (i = 0; i <= len; i++) { |
| 2335 |
uint8_t byte = ldub(array + i); |
| 2336 |
uint8_t new_byte = ldub(trans + byte); |
| 2337 |
stb(array + i, new_byte); |
| 2338 |
} |
| 2339 |
} |
| 2340 |
|
| 2341 |
#ifndef CONFIG_USER_ONLY
|
| 2342 |
|
| 2343 |
void HELPER(load_psw)(uint64_t mask, uint64_t addr)
|
| 2344 |
{
|
| 2345 |
load_psw(env, mask, addr); |
| 2346 |
cpu_loop_exit(env); |
| 2347 |
} |
| 2348 |
|
| 2349 |
static void program_interrupt(CPUS390XState *env, uint32_t code, int ilc) |
| 2350 |
{
|
| 2351 |
qemu_log("program interrupt at %#" PRIx64 "\n", env->psw.addr); |
| 2352 |
|
| 2353 |
if (kvm_enabled()) {
|
| 2354 |
#ifdef CONFIG_KVM
|
| 2355 |
kvm_s390_interrupt(env, KVM_S390_PROGRAM_INT, code); |
| 2356 |
#endif
|
| 2357 |
} else {
|
| 2358 |
env->int_pgm_code = code; |
| 2359 |
env->int_pgm_ilc = ilc; |
| 2360 |
env->exception_index = EXCP_PGM; |
| 2361 |
cpu_loop_exit(env); |
| 2362 |
} |
| 2363 |
} |
| 2364 |
|
| 2365 |
/*
|
| 2366 |
* ret < 0 indicates program check, ret = 0,1,2,3 -> cc
|
| 2367 |
*/
|
| 2368 |
int sclp_service_call(CPUS390XState *env, uint32_t sccb, uint64_t code)
|
| 2369 |
{
|
| 2370 |
int r = 0; |
| 2371 |
int shift = 0; |
| 2372 |
|
| 2373 |
#ifdef DEBUG_HELPER
|
| 2374 |
printf("sclp(0x%x, 0x%" PRIx64 ")\n", sccb, code); |
| 2375 |
#endif
|
| 2376 |
|
| 2377 |
/* basic checks */
|
| 2378 |
if (!memory_region_is_ram(phys_page_find(sccb >> TARGET_PAGE_BITS)->mr)) {
|
| 2379 |
return -PGM_ADDRESSING;
|
| 2380 |
} |
| 2381 |
if (sccb & ~0x7ffffff8ul) { |
| 2382 |
return -PGM_SPECIFICATION;
|
| 2383 |
} |
| 2384 |
|
| 2385 |
switch(code) {
|
| 2386 |
case SCLP_CMDW_READ_SCP_INFO:
|
| 2387 |
case SCLP_CMDW_READ_SCP_INFO_FORCED:
|
| 2388 |
while ((ram_size >> (20 + shift)) > 65535) { |
| 2389 |
shift++; |
| 2390 |
} |
| 2391 |
stw_phys(sccb + SCP_MEM_CODE, ram_size >> (20 + shift));
|
| 2392 |
stb_phys(sccb + SCP_INCREMENT, 1 << shift);
|
| 2393 |
stw_phys(sccb + SCP_RESPONSE_CODE, 0x10);
|
| 2394 |
|
| 2395 |
s390_sclp_extint(sccb & ~3);
|
| 2396 |
break;
|
| 2397 |
default:
|
| 2398 |
#ifdef DEBUG_HELPER
|
| 2399 |
printf("KVM: invalid sclp call 0x%x / 0x%" PRIx64 "x\n", sccb, code); |
| 2400 |
#endif
|
| 2401 |
r = 3;
|
| 2402 |
break;
|
| 2403 |
} |
| 2404 |
|
| 2405 |
return r;
|
| 2406 |
} |
| 2407 |
|
| 2408 |
/* SCLP service call */
|
| 2409 |
uint32_t HELPER(servc)(uint32_t r1, uint64_t r2) |
| 2410 |
{
|
| 2411 |
int r;
|
| 2412 |
|
| 2413 |
r = sclp_service_call(env, r1, r2); |
| 2414 |
if (r < 0) { |
| 2415 |
program_interrupt(env, -r, 4);
|
| 2416 |
return 0; |
| 2417 |
} |
| 2418 |
return r;
|
| 2419 |
} |
| 2420 |
|
| 2421 |
/* DIAG */
|
| 2422 |
uint64_t HELPER(diag)(uint32_t num, uint64_t mem, uint64_t code) |
| 2423 |
{
|
| 2424 |
uint64_t r; |
| 2425 |
|
| 2426 |
switch (num) {
|
| 2427 |
case 0x500: |
| 2428 |
/* KVM hypercall */
|
| 2429 |
r = s390_virtio_hypercall(env, mem, code); |
| 2430 |
break;
|
| 2431 |
case 0x44: |
| 2432 |
/* yield */
|
| 2433 |
r = 0;
|
| 2434 |
break;
|
| 2435 |
case 0x308: |
| 2436 |
/* ipl */
|
| 2437 |
r = 0;
|
| 2438 |
break;
|
| 2439 |
default:
|
| 2440 |
r = -1;
|
| 2441 |
break;
|
| 2442 |
} |
| 2443 |
|
| 2444 |
if (r) {
|
| 2445 |
program_interrupt(env, PGM_OPERATION, ILC_LATER_INC); |
| 2446 |
} |
| 2447 |
|
| 2448 |
return r;
|
| 2449 |
} |
| 2450 |
|
| 2451 |
/* Store CPU ID */
|
| 2452 |
void HELPER(stidp)(uint64_t a1)
|
| 2453 |
{
|
| 2454 |
stq(a1, env->cpu_num); |
| 2455 |
} |
| 2456 |
|
| 2457 |
/* Set Prefix */
|
| 2458 |
void HELPER(spx)(uint64_t a1)
|
| 2459 |
{
|
| 2460 |
uint32_t prefix; |
| 2461 |
|
| 2462 |
prefix = ldl(a1); |
| 2463 |
env->psa = prefix & 0xfffff000;
|
| 2464 |
qemu_log("prefix: %#x\n", prefix);
|
| 2465 |
tlb_flush_page(env, 0);
|
| 2466 |
tlb_flush_page(env, TARGET_PAGE_SIZE); |
| 2467 |
} |
| 2468 |
|
| 2469 |
/* Set Clock */
|
| 2470 |
uint32_t HELPER(sck)(uint64_t a1) |
| 2471 |
{
|
| 2472 |
/* XXX not implemented - is it necessary? */
|
| 2473 |
|
| 2474 |
return 0; |
| 2475 |
} |
| 2476 |
|
| 2477 |
static inline uint64_t clock_value(CPUS390XState *env) |
| 2478 |
{
|
| 2479 |
uint64_t time; |
| 2480 |
|
| 2481 |
time = env->tod_offset + |
| 2482 |
time2tod(qemu_get_clock_ns(vm_clock) - env->tod_basetime); |
| 2483 |
|
| 2484 |
return time;
|
| 2485 |
} |
| 2486 |
|
| 2487 |
/* Store Clock */
|
| 2488 |
uint32_t HELPER(stck)(uint64_t a1) |
| 2489 |
{
|
| 2490 |
stq(a1, clock_value(env)); |
| 2491 |
|
| 2492 |
return 0; |
| 2493 |
} |
| 2494 |
|
| 2495 |
/* Store Clock Extended */
|
| 2496 |
uint32_t HELPER(stcke)(uint64_t a1) |
| 2497 |
{
|
| 2498 |
stb(a1, 0);
|
| 2499 |
/* basically the same value as stck */
|
| 2500 |
stq(a1 + 1, clock_value(env) | env->cpu_num);
|
| 2501 |
/* more fine grained than stck */
|
| 2502 |
stq(a1 + 9, 0); |
| 2503 |
/* XXX programmable fields */
|
| 2504 |
stw(a1 + 17, 0); |
| 2505 |
|
| 2506 |
|
| 2507 |
return 0; |
| 2508 |
} |
| 2509 |
|
| 2510 |
/* Set Clock Comparator */
|
| 2511 |
void HELPER(sckc)(uint64_t a1)
|
| 2512 |
{
|
| 2513 |
uint64_t time = ldq(a1); |
| 2514 |
|
| 2515 |
if (time == -1ULL) { |
| 2516 |
return;
|
| 2517 |
} |
| 2518 |
|
| 2519 |
/* difference between now and then */
|
| 2520 |
time -= clock_value(env); |
| 2521 |
/* nanoseconds */
|
| 2522 |
time = (time * 125) >> 9; |
| 2523 |
|
| 2524 |
qemu_mod_timer(env->tod_timer, qemu_get_clock_ns(vm_clock) + time); |
| 2525 |
} |
| 2526 |
|
| 2527 |
/* Store Clock Comparator */
|
| 2528 |
void HELPER(stckc)(uint64_t a1)
|
| 2529 |
{
|
| 2530 |
/* XXX implement */
|
| 2531 |
stq(a1, 0);
|
| 2532 |
} |
| 2533 |
|
| 2534 |
/* Set CPU Timer */
|
| 2535 |
void HELPER(spt)(uint64_t a1)
|
| 2536 |
{
|
| 2537 |
uint64_t time = ldq(a1); |
| 2538 |
|
| 2539 |
if (time == -1ULL) { |
| 2540 |
return;
|
| 2541 |
} |
| 2542 |
|
| 2543 |
/* nanoseconds */
|
| 2544 |
time = (time * 125) >> 9; |
| 2545 |
|
| 2546 |
qemu_mod_timer(env->cpu_timer, qemu_get_clock_ns(vm_clock) + time); |
| 2547 |
} |
| 2548 |
|
| 2549 |
/* Store CPU Timer */
|
| 2550 |
void HELPER(stpt)(uint64_t a1)
|
| 2551 |
{
|
| 2552 |
/* XXX implement */
|
| 2553 |
stq(a1, 0);
|
| 2554 |
} |
| 2555 |
|
| 2556 |
/* Store System Information */
|
| 2557 |
uint32_t HELPER(stsi)(uint64_t a0, uint32_t r0, uint32_t r1) |
| 2558 |
{
|
| 2559 |
int cc = 0; |
| 2560 |
int sel1, sel2;
|
| 2561 |
|
| 2562 |
if ((r0 & STSI_LEVEL_MASK) <= STSI_LEVEL_3 &&
|
| 2563 |
((r0 & STSI_R0_RESERVED_MASK) || (r1 & STSI_R1_RESERVED_MASK))) {
|
| 2564 |
/* valid function code, invalid reserved bits */
|
| 2565 |
program_interrupt(env, PGM_SPECIFICATION, 2);
|
| 2566 |
} |
| 2567 |
|
| 2568 |
sel1 = r0 & STSI_R0_SEL1_MASK; |
| 2569 |
sel2 = r1 & STSI_R1_SEL2_MASK; |
| 2570 |
|
| 2571 |
/* XXX: spec exception if sysib is not 4k-aligned */
|
| 2572 |
|
| 2573 |
switch (r0 & STSI_LEVEL_MASK) {
|
| 2574 |
case STSI_LEVEL_1:
|
| 2575 |
if ((sel1 == 1) && (sel2 == 1)) { |
| 2576 |
/* Basic Machine Configuration */
|
| 2577 |
struct sysib_111 sysib;
|
| 2578 |
|
| 2579 |
memset(&sysib, 0, sizeof(sysib)); |
| 2580 |
ebcdic_put(sysib.manuf, "QEMU ", 16); |
| 2581 |
/* same as machine type number in STORE CPU ID */
|
| 2582 |
ebcdic_put(sysib.type, "QEMU", 4); |
| 2583 |
/* same as model number in STORE CPU ID */
|
| 2584 |
ebcdic_put(sysib.model, "QEMU ", 16); |
| 2585 |
ebcdic_put(sysib.sequence, "QEMU ", 16); |
| 2586 |
ebcdic_put(sysib.plant, "QEMU", 4); |
| 2587 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
| 2588 |
} else if ((sel1 == 2) && (sel2 == 1)) { |
| 2589 |
/* Basic Machine CPU */
|
| 2590 |
struct sysib_121 sysib;
|
| 2591 |
|
| 2592 |
memset(&sysib, 0, sizeof(sysib)); |
| 2593 |
/* XXX make different for different CPUs? */
|
| 2594 |
ebcdic_put(sysib.sequence, "QEMUQEMUQEMUQEMU", 16); |
| 2595 |
ebcdic_put(sysib.plant, "QEMU", 4); |
| 2596 |
stw_p(&sysib.cpu_addr, env->cpu_num); |
| 2597 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
| 2598 |
} else if ((sel1 == 2) && (sel2 == 2)) { |
| 2599 |
/* Basic Machine CPUs */
|
| 2600 |
struct sysib_122 sysib;
|
| 2601 |
|
| 2602 |
memset(&sysib, 0, sizeof(sysib)); |
| 2603 |
stl_p(&sysib.capability, 0x443afc29);
|
| 2604 |
/* XXX change when SMP comes */
|
| 2605 |
stw_p(&sysib.total_cpus, 1);
|
| 2606 |
stw_p(&sysib.active_cpus, 1);
|
| 2607 |
stw_p(&sysib.standby_cpus, 0);
|
| 2608 |
stw_p(&sysib.reserved_cpus, 0);
|
| 2609 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
| 2610 |
} else {
|
| 2611 |
cc = 3;
|
| 2612 |
} |
| 2613 |
break;
|
| 2614 |
case STSI_LEVEL_2:
|
| 2615 |
{
|
| 2616 |
if ((sel1 == 2) && (sel2 == 1)) { |
| 2617 |
/* LPAR CPU */
|
| 2618 |
struct sysib_221 sysib;
|
| 2619 |
|
| 2620 |
memset(&sysib, 0, sizeof(sysib)); |
| 2621 |
/* XXX make different for different CPUs? */
|
| 2622 |
ebcdic_put(sysib.sequence, "QEMUQEMUQEMUQEMU", 16); |
| 2623 |
ebcdic_put(sysib.plant, "QEMU", 4); |
| 2624 |
stw_p(&sysib.cpu_addr, env->cpu_num); |
| 2625 |
stw_p(&sysib.cpu_id, 0);
|
| 2626 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
| 2627 |
} else if ((sel1 == 2) && (sel2 == 2)) { |
| 2628 |
/* LPAR CPUs */
|
| 2629 |
struct sysib_222 sysib;
|
| 2630 |
|
| 2631 |
memset(&sysib, 0, sizeof(sysib)); |
| 2632 |
stw_p(&sysib.lpar_num, 0);
|
| 2633 |
sysib.lcpuc = 0;
|
| 2634 |
/* XXX change when SMP comes */
|
| 2635 |
stw_p(&sysib.total_cpus, 1);
|
| 2636 |
stw_p(&sysib.conf_cpus, 1);
|
| 2637 |
stw_p(&sysib.standby_cpus, 0);
|
| 2638 |
stw_p(&sysib.reserved_cpus, 0);
|
| 2639 |
ebcdic_put(sysib.name, "QEMU ", 8); |
| 2640 |
stl_p(&sysib.caf, 1000);
|
| 2641 |
stw_p(&sysib.dedicated_cpus, 0);
|
| 2642 |
stw_p(&sysib.shared_cpus, 0);
|
| 2643 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
| 2644 |
} else {
|
| 2645 |
cc = 3;
|
| 2646 |
} |
| 2647 |
break;
|
| 2648 |
} |
| 2649 |
case STSI_LEVEL_3:
|
| 2650 |
{
|
| 2651 |
if ((sel1 == 2) && (sel2 == 2)) { |
| 2652 |
/* VM CPUs */
|
| 2653 |
struct sysib_322 sysib;
|
| 2654 |
|
| 2655 |
memset(&sysib, 0, sizeof(sysib)); |
| 2656 |
sysib.count = 1;
|
| 2657 |
/* XXX change when SMP comes */
|
| 2658 |
stw_p(&sysib.vm[0].total_cpus, 1); |
| 2659 |
stw_p(&sysib.vm[0].conf_cpus, 1); |
| 2660 |
stw_p(&sysib.vm[0].standby_cpus, 0); |
| 2661 |
stw_p(&sysib.vm[0].reserved_cpus, 0); |
| 2662 |
ebcdic_put(sysib.vm[0].name, "KVMguest", 8); |
| 2663 |
stl_p(&sysib.vm[0].caf, 1000); |
| 2664 |
ebcdic_put(sysib.vm[0].cpi, "KVM/Linux ", 16); |
| 2665 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
| 2666 |
} else {
|
| 2667 |
cc = 3;
|
| 2668 |
} |
| 2669 |
break;
|
| 2670 |
} |
| 2671 |
case STSI_LEVEL_CURRENT:
|
| 2672 |
env->regs[0] = STSI_LEVEL_3;
|
| 2673 |
break;
|
| 2674 |
default:
|
| 2675 |
cc = 3;
|
| 2676 |
break;
|
| 2677 |
} |
| 2678 |
|
| 2679 |
return cc;
|
| 2680 |
} |
| 2681 |
|
| 2682 |
void HELPER(lctlg)(uint32_t r1, uint64_t a2, uint32_t r3)
|
| 2683 |
{
|
| 2684 |
int i;
|
| 2685 |
uint64_t src = a2; |
| 2686 |
|
| 2687 |
for (i = r1;; i = (i + 1) % 16) { |
| 2688 |
env->cregs[i] = ldq(src); |
| 2689 |
HELPER_LOG("load ctl %d from 0x%" PRIx64 " == 0x%" PRIx64 "\n", |
| 2690 |
i, src, env->cregs[i]); |
| 2691 |
src += sizeof(uint64_t);
|
| 2692 |
|
| 2693 |
if (i == r3) {
|
| 2694 |
break;
|
| 2695 |
} |
| 2696 |
} |
| 2697 |
|
| 2698 |
tlb_flush(env, 1);
|
| 2699 |
} |
| 2700 |
|
| 2701 |
void HELPER(lctl)(uint32_t r1, uint64_t a2, uint32_t r3)
|
| 2702 |
{
|
| 2703 |
int i;
|
| 2704 |
uint64_t src = a2; |
| 2705 |
|
| 2706 |
for (i = r1;; i = (i + 1) % 16) { |
| 2707 |
env->cregs[i] = (env->cregs[i] & 0xFFFFFFFF00000000ULL) | ldl(src);
|
| 2708 |
src += sizeof(uint32_t);
|
| 2709 |
|
| 2710 |
if (i == r3) {
|
| 2711 |
break;
|
| 2712 |
} |
| 2713 |
} |
| 2714 |
|
| 2715 |
tlb_flush(env, 1);
|
| 2716 |
} |
| 2717 |
|
| 2718 |
void HELPER(stctg)(uint32_t r1, uint64_t a2, uint32_t r3)
|
| 2719 |
{
|
| 2720 |
int i;
|
| 2721 |
uint64_t dest = a2; |
| 2722 |
|
| 2723 |
for (i = r1;; i = (i + 1) % 16) { |
| 2724 |
stq(dest, env->cregs[i]); |
| 2725 |
dest += sizeof(uint64_t);
|
| 2726 |
|
| 2727 |
if (i == r3) {
|
| 2728 |
break;
|
| 2729 |
} |
| 2730 |
} |
| 2731 |
} |
| 2732 |
|
| 2733 |
void HELPER(stctl)(uint32_t r1, uint64_t a2, uint32_t r3)
|
| 2734 |
{
|
| 2735 |
int i;
|
| 2736 |
uint64_t dest = a2; |
| 2737 |
|
| 2738 |
for (i = r1;; i = (i + 1) % 16) { |
| 2739 |
stl(dest, env->cregs[i]); |
| 2740 |
dest += sizeof(uint32_t);
|
| 2741 |
|
| 2742 |
if (i == r3) {
|
| 2743 |
break;
|
| 2744 |
} |
| 2745 |
} |
| 2746 |
} |
| 2747 |
|
| 2748 |
uint32_t HELPER(tprot)(uint64_t a1, uint64_t a2) |
| 2749 |
{
|
| 2750 |
/* XXX implement */
|
| 2751 |
|
| 2752 |
return 0; |
| 2753 |
} |
| 2754 |
|
| 2755 |
/* insert storage key extended */
|
| 2756 |
uint64_t HELPER(iske)(uint64_t r2) |
| 2757 |
{
|
| 2758 |
uint64_t addr = get_address(0, 0, r2); |
| 2759 |
|
| 2760 |
if (addr > ram_size) {
|
| 2761 |
return 0; |
| 2762 |
} |
| 2763 |
|
| 2764 |
return env->storage_keys[addr / TARGET_PAGE_SIZE];
|
| 2765 |
} |
| 2766 |
|
| 2767 |
/* set storage key extended */
|
| 2768 |
void HELPER(sske)(uint32_t r1, uint64_t r2)
|
| 2769 |
{
|
| 2770 |
uint64_t addr = get_address(0, 0, r2); |
| 2771 |
|
| 2772 |
if (addr > ram_size) {
|
| 2773 |
return;
|
| 2774 |
} |
| 2775 |
|
| 2776 |
env->storage_keys[addr / TARGET_PAGE_SIZE] = r1; |
| 2777 |
} |
| 2778 |
|
| 2779 |
/* reset reference bit extended */
|
| 2780 |
uint32_t HELPER(rrbe)(uint32_t r1, uint64_t r2) |
| 2781 |
{
|
| 2782 |
uint8_t re; |
| 2783 |
uint8_t key; |
| 2784 |
if (r2 > ram_size) {
|
| 2785 |
return 0; |
| 2786 |
} |
| 2787 |
|
| 2788 |
key = env->storage_keys[r2 / TARGET_PAGE_SIZE]; |
| 2789 |
re = key & (SK_R | SK_C); |
| 2790 |
env->storage_keys[r2 / TARGET_PAGE_SIZE] = (key & ~SK_R); |
| 2791 |
|
| 2792 |
/*
|
| 2793 |
* cc
|
| 2794 |
*
|
| 2795 |
* 0 Reference bit zero; change bit zero
|
| 2796 |
* 1 Reference bit zero; change bit one
|
| 2797 |
* 2 Reference bit one; change bit zero
|
| 2798 |
* 3 Reference bit one; change bit one
|
| 2799 |
*/
|
| 2800 |
|
| 2801 |
return re >> 1; |
| 2802 |
} |
| 2803 |
|
| 2804 |
/* compare and swap and purge */
|
| 2805 |
uint32_t HELPER(csp)(uint32_t r1, uint32_t r2) |
| 2806 |
{
|
| 2807 |
uint32_t cc; |
| 2808 |
uint32_t o1 = env->regs[r1]; |
| 2809 |
uint64_t a2 = get_address_31fix(r2) & ~3ULL;
|
| 2810 |
uint32_t o2 = ldl(a2); |
| 2811 |
|
| 2812 |
if (o1 == o2) {
|
| 2813 |
stl(a2, env->regs[(r1 + 1) & 15]); |
| 2814 |
if (env->regs[r2] & 0x3) { |
| 2815 |
/* flush TLB / ALB */
|
| 2816 |
tlb_flush(env, 1);
|
| 2817 |
} |
| 2818 |
cc = 0;
|
| 2819 |
} else {
|
| 2820 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | o2;
|
| 2821 |
cc = 1;
|
| 2822 |
} |
| 2823 |
|
| 2824 |
return cc;
|
| 2825 |
} |
| 2826 |
|
| 2827 |
static uint32_t mvc_asc(int64_t l, uint64_t a1, uint64_t mode1, uint64_t a2,
|
| 2828 |
uint64_t mode2) |
| 2829 |
{
|
| 2830 |
target_ulong src, dest; |
| 2831 |
int flags, cc = 0, i; |
| 2832 |
|
| 2833 |
if (!l) {
|
| 2834 |
return 0; |
| 2835 |
} else if (l > 256) { |
| 2836 |
/* max 256 */
|
| 2837 |
l = 256;
|
| 2838 |
cc = 3;
|
| 2839 |
} |
| 2840 |
|
| 2841 |
if (mmu_translate(env, a1 & TARGET_PAGE_MASK, 1, mode1, &dest, &flags)) { |
| 2842 |
cpu_loop_exit(env); |
| 2843 |
} |
| 2844 |
dest |= a1 & ~TARGET_PAGE_MASK; |
| 2845 |
|
| 2846 |
if (mmu_translate(env, a2 & TARGET_PAGE_MASK, 0, mode2, &src, &flags)) { |
| 2847 |
cpu_loop_exit(env); |
| 2848 |
} |
| 2849 |
src |= a2 & ~TARGET_PAGE_MASK; |
| 2850 |
|
| 2851 |
/* XXX replace w/ memcpy */
|
| 2852 |
for (i = 0; i < l; i++) { |
| 2853 |
/* XXX be more clever */
|
| 2854 |
if ((((dest + i) & TARGET_PAGE_MASK) != (dest & TARGET_PAGE_MASK)) ||
|
| 2855 |
(((src + i) & TARGET_PAGE_MASK) != (src & TARGET_PAGE_MASK))) {
|
| 2856 |
mvc_asc(l - i, a1 + i, mode1, a2 + i, mode2); |
| 2857 |
break;
|
| 2858 |
} |
| 2859 |
stb_phys(dest + i, ldub_phys(src + i)); |
| 2860 |
} |
| 2861 |
|
| 2862 |
return cc;
|
| 2863 |
} |
| 2864 |
|
| 2865 |
uint32_t HELPER(mvcs)(uint64_t l, uint64_t a1, uint64_t a2) |
| 2866 |
{
|
| 2867 |
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n", |
| 2868 |
__FUNCTION__, l, a1, a2); |
| 2869 |
|
| 2870 |
return mvc_asc(l, a1, PSW_ASC_SECONDARY, a2, PSW_ASC_PRIMARY);
|
| 2871 |
} |
| 2872 |
|
| 2873 |
uint32_t HELPER(mvcp)(uint64_t l, uint64_t a1, uint64_t a2) |
| 2874 |
{
|
| 2875 |
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n", |
| 2876 |
__FUNCTION__, l, a1, a2); |
| 2877 |
|
| 2878 |
return mvc_asc(l, a1, PSW_ASC_PRIMARY, a2, PSW_ASC_SECONDARY);
|
| 2879 |
} |
| 2880 |
|
| 2881 |
uint32_t HELPER(sigp)(uint64_t order_code, uint32_t r1, uint64_t cpu_addr) |
| 2882 |
{
|
| 2883 |
int cc = 0; |
| 2884 |
|
| 2885 |
HELPER_LOG("%s: %016" PRIx64 " %08x %016" PRIx64 "\n", |
| 2886 |
__FUNCTION__, order_code, r1, cpu_addr); |
| 2887 |
|
| 2888 |
/* Remember: Use "R1 or R1+1, whichever is the odd-numbered register"
|
| 2889 |
as parameter (input). Status (output) is always R1. */
|
| 2890 |
|
| 2891 |
switch (order_code) {
|
| 2892 |
case SIGP_SET_ARCH:
|
| 2893 |
/* switch arch */
|
| 2894 |
break;
|
| 2895 |
case SIGP_SENSE:
|
| 2896 |
/* enumerate CPU status */
|
| 2897 |
if (cpu_addr) {
|
| 2898 |
/* XXX implement when SMP comes */
|
| 2899 |
return 3; |
| 2900 |
} |
| 2901 |
env->regs[r1] &= 0xffffffff00000000ULL;
|
| 2902 |
cc = 1;
|
| 2903 |
break;
|
| 2904 |
#if !defined (CONFIG_USER_ONLY)
|
| 2905 |
case SIGP_RESTART:
|
| 2906 |
qemu_system_reset_request(); |
| 2907 |
cpu_loop_exit(env); |
| 2908 |
break;
|
| 2909 |
case SIGP_STOP:
|
| 2910 |
qemu_system_shutdown_request(); |
| 2911 |
cpu_loop_exit(env); |
| 2912 |
break;
|
| 2913 |
#endif
|
| 2914 |
default:
|
| 2915 |
/* unknown sigp */
|
| 2916 |
fprintf(stderr, "XXX unknown sigp: 0x%" PRIx64 "\n", order_code); |
| 2917 |
cc = 3;
|
| 2918 |
} |
| 2919 |
|
| 2920 |
return cc;
|
| 2921 |
} |
| 2922 |
|
| 2923 |
void HELPER(sacf)(uint64_t a1)
|
| 2924 |
{
|
| 2925 |
HELPER_LOG("%s: %16" PRIx64 "\n", __FUNCTION__, a1); |
| 2926 |
|
| 2927 |
switch (a1 & 0xf00) { |
| 2928 |
case 0x000: |
| 2929 |
env->psw.mask &= ~PSW_MASK_ASC; |
| 2930 |
env->psw.mask |= PSW_ASC_PRIMARY; |
| 2931 |
break;
|
| 2932 |
case 0x100: |
| 2933 |
env->psw.mask &= ~PSW_MASK_ASC; |
| 2934 |
env->psw.mask |= PSW_ASC_SECONDARY; |
| 2935 |
break;
|
| 2936 |
case 0x300: |
| 2937 |
env->psw.mask &= ~PSW_MASK_ASC; |
| 2938 |
env->psw.mask |= PSW_ASC_HOME; |
| 2939 |
break;
|
| 2940 |
default:
|
| 2941 |
qemu_log("unknown sacf mode: %" PRIx64 "\n", a1); |
| 2942 |
program_interrupt(env, PGM_SPECIFICATION, 2);
|
| 2943 |
break;
|
| 2944 |
} |
| 2945 |
} |
| 2946 |
|
| 2947 |
/* invalidate pte */
|
| 2948 |
void HELPER(ipte)(uint64_t pte_addr, uint64_t vaddr)
|
| 2949 |
{
|
| 2950 |
uint64_t page = vaddr & TARGET_PAGE_MASK; |
| 2951 |
uint64_t pte = 0;
|
| 2952 |
|
| 2953 |
/* XXX broadcast to other CPUs */
|
| 2954 |
|
| 2955 |
/* XXX Linux is nice enough to give us the exact pte address.
|
| 2956 |
According to spec we'd have to find it out ourselves */
|
| 2957 |
/* XXX Linux is fine with overwriting the pte, the spec requires
|
| 2958 |
us to only set the invalid bit */
|
| 2959 |
stq_phys(pte_addr, pte | _PAGE_INVALID); |
| 2960 |
|
| 2961 |
/* XXX we exploit the fact that Linux passes the exact virtual
|
| 2962 |
address here - it's not obliged to! */
|
| 2963 |
tlb_flush_page(env, page); |
| 2964 |
|
| 2965 |
/* XXX 31-bit hack */
|
| 2966 |
if (page & 0x80000000) { |
| 2967 |
tlb_flush_page(env, page & ~0x80000000);
|
| 2968 |
} else {
|
| 2969 |
tlb_flush_page(env, page | 0x80000000);
|
| 2970 |
} |
| 2971 |
} |
| 2972 |
|
| 2973 |
/* flush local tlb */
|
| 2974 |
void HELPER(ptlb)(void) |
| 2975 |
{
|
| 2976 |
tlb_flush(env, 1);
|
| 2977 |
} |
| 2978 |
|
| 2979 |
/* store using real address */
|
| 2980 |
void HELPER(stura)(uint64_t addr, uint32_t v1)
|
| 2981 |
{
|
| 2982 |
stw_phys(get_address(0, 0, addr), v1); |
| 2983 |
} |
| 2984 |
|
| 2985 |
/* load real address */
|
| 2986 |
uint32_t HELPER(lra)(uint64_t addr, uint32_t r1) |
| 2987 |
{
|
| 2988 |
uint32_t cc = 0;
|
| 2989 |
int old_exc = env->exception_index;
|
| 2990 |
uint64_t asc = env->psw.mask & PSW_MASK_ASC; |
| 2991 |
uint64_t ret; |
| 2992 |
int flags;
|
| 2993 |
|
| 2994 |
/* XXX incomplete - has more corner cases */
|
| 2995 |
if (!(env->psw.mask & PSW_MASK_64) && (addr >> 32)) { |
| 2996 |
program_interrupt(env, PGM_SPECIAL_OP, 2);
|
| 2997 |
} |
| 2998 |
|
| 2999 |
env->exception_index = old_exc; |
| 3000 |
if (mmu_translate(env, addr, 0, asc, &ret, &flags)) { |
| 3001 |
cc = 3;
|
| 3002 |
} |
| 3003 |
if (env->exception_index == EXCP_PGM) {
|
| 3004 |
ret = env->int_pgm_code | 0x80000000;
|
| 3005 |
} else {
|
| 3006 |
ret |= addr & ~TARGET_PAGE_MASK; |
| 3007 |
} |
| 3008 |
env->exception_index = old_exc; |
| 3009 |
|
| 3010 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
| 3011 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | (ret & 0xffffffffULL); |
| 3012 |
} else {
|
| 3013 |
env->regs[r1] = ret; |
| 3014 |
} |
| 3015 |
|
| 3016 |
return cc;
|
| 3017 |
} |
| 3018 |
|
| 3019 |
#endif
|