root / target-s390x / op_helper.c @ defb0e31
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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 "exec.h" |
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#include "host-utils.h" |
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#include "helpers.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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/*****************************************************************************/
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/* Softmmu support */
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#if !defined (CONFIG_USER_ONLY)
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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 (target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
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{ |
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TranslationBlock *tb; |
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CPUState *saved_env; |
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unsigned long pc; |
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int ret;
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/* XXX: hack to restore env in all cases, even if not called from
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generated code */
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saved_env = env; |
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env = cpu_single_env; |
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ret = cpu_s390x_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
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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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pc = (unsigned long)retaddr; |
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tb = tb_find_pc(pc); |
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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, pc); |
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} |
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} |
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cpu_loop_exit(); |
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} |
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env = saved_env; |
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} |
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#endif
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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(); |
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} |
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#ifndef CONFIG_USER_ONLY
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static void mvc_fast_memset(CPUState *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(CPUState *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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/* 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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/* 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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} |
324 |
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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; |
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HELPER_LOG("%s: r1 0x%x mask 0x%x addr 0x%lx\n", __FUNCTION__, r1, mask,
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addr); |
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while (mask) {
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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++; |
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} |
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mask = (mask << 1) & 0xf; |
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r1 <<= 8;
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} |
341 |
HELPER_LOG("\n");
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} |
343 |
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/* 64/64 -> 128 unsigned multiplication */
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void HELPER(mlg)(uint32_t r1, uint64_t v2)
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{ |
347 |
#if HOST_LONG_BITS == 64 && defined(__GNUC__) |
348 |
/* assuming 64-bit hosts have __uint128_t */
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__uint128_t res = (__uint128_t)env->regs[r1 + 1];
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res *= (__uint128_t)v2; |
351 |
env->regs[r1] = (uint64_t)(res >> 64);
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env->regs[r1 + 1] = (uint64_t)res;
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#else
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mulu64(&env->regs[r1 + 1], &env->regs[r1], env->regs[r1 + 1], v2); |
355 |
#endif
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} |
357 |
|
358 |
/* 128 -> 64/64 unsigned division */
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359 |
void HELPER(dlg)(uint32_t r1, uint64_t v2)
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{ |
361 |
uint64_t divisor = v2; |
362 |
|
363 |
if (!env->regs[r1]) {
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364 |
/* 64 -> 64/64 case */
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365 |
env->regs[r1] = env->regs[r1+1] % divisor;
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366 |
env->regs[r1+1] = env->regs[r1+1] / divisor; |
367 |
return;
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368 |
} else {
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369 |
|
370 |
#if HOST_LONG_BITS == 64 && defined(__GNUC__) |
371 |
/* assuming 64-bit hosts have __uint128_t */
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372 |
__uint128_t dividend = (((__uint128_t)env->regs[r1]) << 64) |
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(env->regs[r1+1]);
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374 |
__uint128_t quotient = dividend / divisor; |
375 |
env->regs[r1+1] = quotient;
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376 |
__uint128_t remainder = dividend % divisor; |
377 |
env->regs[r1] = remainder; |
378 |
#else
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379 |
/* 32-bit hosts would need special wrapper functionality - just abort if
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380 |
we encounter such a case; it's very unlikely anyways. */
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381 |
cpu_abort(env, "128 -> 64/64 division not implemented\n");
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382 |
#endif
|
383 |
} |
384 |
} |
385 |
|
386 |
static inline uint64_t get_address(int x2, int b2, int d2) |
387 |
{ |
388 |
uint64_t r = d2; |
389 |
|
390 |
if (x2) {
|
391 |
r += env->regs[x2]; |
392 |
} |
393 |
|
394 |
if (b2) {
|
395 |
r += env->regs[b2]; |
396 |
} |
397 |
|
398 |
/* 31-Bit mode */
|
399 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
400 |
r &= 0x7fffffff;
|
401 |
} |
402 |
|
403 |
return r;
|
404 |
} |
405 |
|
406 |
static inline uint64_t get_address_31fix(int reg) |
407 |
{ |
408 |
uint64_t r = env->regs[reg]; |
409 |
|
410 |
/* 31-Bit mode */
|
411 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
412 |
r &= 0x7fffffff;
|
413 |
} |
414 |
|
415 |
return r;
|
416 |
} |
417 |
|
418 |
/* search string (c is byte to search, r2 is string, r1 end of string) */
|
419 |
uint32_t HELPER(srst)(uint32_t c, uint32_t r1, uint32_t r2) |
420 |
{ |
421 |
uint64_t i; |
422 |
uint32_t cc = 2;
|
423 |
uint64_t str = get_address_31fix(r2); |
424 |
uint64_t end = get_address_31fix(r1); |
425 |
|
426 |
HELPER_LOG("%s: c %d *r1 0x%" PRIx64 " *r2 0x%" PRIx64 "\n", __FUNCTION__, |
427 |
c, env->regs[r1], env->regs[r2]); |
428 |
|
429 |
for (i = str; i != end; i++) {
|
430 |
if (ldub(i) == c) {
|
431 |
env->regs[r1] = i; |
432 |
cc = 1;
|
433 |
break;
|
434 |
} |
435 |
} |
436 |
|
437 |
return cc;
|
438 |
} |
439 |
|
440 |
/* unsigned string compare (c is string terminator) */
|
441 |
uint32_t HELPER(clst)(uint32_t c, uint32_t r1, uint32_t r2) |
442 |
{ |
443 |
uint64_t s1 = get_address_31fix(r1); |
444 |
uint64_t s2 = get_address_31fix(r2); |
445 |
uint8_t v1, v2; |
446 |
uint32_t cc; |
447 |
c = c & 0xff;
|
448 |
#ifdef CONFIG_USER_ONLY
|
449 |
if (!c) {
|
450 |
HELPER_LOG("%s: comparing '%s' and '%s'\n",
|
451 |
__FUNCTION__, (char*)g2h(s1), (char*)g2h(s2)); |
452 |
} |
453 |
#endif
|
454 |
for (;;) {
|
455 |
v1 = ldub(s1); |
456 |
v2 = ldub(s2); |
457 |
if ((v1 == c || v2 == c) || (v1 != v2)) {
|
458 |
break;
|
459 |
} |
460 |
s1++; |
461 |
s2++; |
462 |
} |
463 |
|
464 |
if (v1 == v2) {
|
465 |
cc = 0;
|
466 |
} else {
|
467 |
cc = (v1 < v2) ? 1 : 2; |
468 |
/* FIXME: 31-bit mode! */
|
469 |
env->regs[r1] = s1; |
470 |
env->regs[r2] = s2; |
471 |
} |
472 |
return cc;
|
473 |
} |
474 |
|
475 |
/* move page */
|
476 |
void HELPER(mvpg)(uint64_t r0, uint64_t r1, uint64_t r2)
|
477 |
{ |
478 |
/* XXX missing r0 handling */
|
479 |
#ifdef CONFIG_USER_ONLY
|
480 |
int i;
|
481 |
|
482 |
for (i = 0; i < TARGET_PAGE_SIZE; i++) { |
483 |
stb(r1 + i, ldub(r2 + i)); |
484 |
} |
485 |
#else
|
486 |
mvc_fast_memmove(env, TARGET_PAGE_SIZE, r1, r2); |
487 |
#endif
|
488 |
} |
489 |
|
490 |
/* string copy (c is string terminator) */
|
491 |
void HELPER(mvst)(uint32_t c, uint32_t r1, uint32_t r2)
|
492 |
{ |
493 |
uint64_t dest = get_address_31fix(r1); |
494 |
uint64_t src = get_address_31fix(r2); |
495 |
uint8_t v; |
496 |
c = c & 0xff;
|
497 |
#ifdef CONFIG_USER_ONLY
|
498 |
if (!c) {
|
499 |
HELPER_LOG("%s: copy '%s' to 0x%lx\n", __FUNCTION__, (char*)g2h(src), |
500 |
dest); |
501 |
} |
502 |
#endif
|
503 |
for (;;) {
|
504 |
v = ldub(src); |
505 |
stb(dest, v); |
506 |
if (v == c) {
|
507 |
break;
|
508 |
} |
509 |
src++; |
510 |
dest++; |
511 |
} |
512 |
env->regs[r1] = dest; /* FIXME: 31-bit mode! */
|
513 |
} |
514 |
|
515 |
/* compare and swap 64-bit */
|
516 |
uint32_t HELPER(csg)(uint32_t r1, uint64_t a2, uint32_t r3) |
517 |
{ |
518 |
/* FIXME: locking? */
|
519 |
uint32_t cc; |
520 |
uint64_t v2 = ldq(a2); |
521 |
if (env->regs[r1] == v2) {
|
522 |
cc = 0;
|
523 |
stq(a2, env->regs[r3]); |
524 |
} else {
|
525 |
cc = 1;
|
526 |
env->regs[r1] = v2; |
527 |
} |
528 |
return cc;
|
529 |
} |
530 |
|
531 |
/* compare double and swap 64-bit */
|
532 |
uint32_t HELPER(cdsg)(uint32_t r1, uint64_t a2, uint32_t r3) |
533 |
{ |
534 |
/* FIXME: locking? */
|
535 |
uint32_t cc; |
536 |
uint64_t v2_hi = ldq(a2); |
537 |
uint64_t v2_lo = ldq(a2 + 8);
|
538 |
uint64_t v1_hi = env->regs[r1]; |
539 |
uint64_t v1_lo = env->regs[r1 + 1];
|
540 |
|
541 |
if ((v1_hi == v2_hi) && (v1_lo == v2_lo)) {
|
542 |
cc = 0;
|
543 |
stq(a2, env->regs[r3]); |
544 |
stq(a2 + 8, env->regs[r3 + 1]); |
545 |
} else {
|
546 |
cc = 1;
|
547 |
env->regs[r1] = v2_hi; |
548 |
env->regs[r1 + 1] = v2_lo;
|
549 |
} |
550 |
|
551 |
return cc;
|
552 |
} |
553 |
|
554 |
/* compare and swap 32-bit */
|
555 |
uint32_t HELPER(cs)(uint32_t r1, uint64_t a2, uint32_t r3) |
556 |
{ |
557 |
/* FIXME: locking? */
|
558 |
uint32_t cc; |
559 |
HELPER_LOG("%s: r1 %d a2 0x%lx r3 %d\n", __FUNCTION__, r1, a2, r3);
|
560 |
uint32_t v2 = ldl(a2); |
561 |
if (((uint32_t)env->regs[r1]) == v2) {
|
562 |
cc = 0;
|
563 |
stl(a2, (uint32_t)env->regs[r3]); |
564 |
} else {
|
565 |
cc = 1;
|
566 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | v2;
|
567 |
} |
568 |
return cc;
|
569 |
} |
570 |
|
571 |
static uint32_t helper_icm(uint32_t r1, uint64_t address, uint32_t mask)
|
572 |
{ |
573 |
int pos = 24; /* top of the lower half of r1 */ |
574 |
uint64_t rmask = 0xff000000ULL;
|
575 |
uint8_t val = 0;
|
576 |
int ccd = 0; |
577 |
uint32_t cc = 0;
|
578 |
|
579 |
while (mask) {
|
580 |
if (mask & 8) { |
581 |
env->regs[r1] &= ~rmask; |
582 |
val = ldub(address); |
583 |
if ((val & 0x80) && !ccd) { |
584 |
cc = 1;
|
585 |
} |
586 |
ccd = 1;
|
587 |
if (val && cc == 0) { |
588 |
cc = 2;
|
589 |
} |
590 |
env->regs[r1] |= (uint64_t)val << pos; |
591 |
address++; |
592 |
} |
593 |
mask = (mask << 1) & 0xf; |
594 |
pos -= 8;
|
595 |
rmask >>= 8;
|
596 |
} |
597 |
|
598 |
return cc;
|
599 |
} |
600 |
|
601 |
/* execute instruction
|
602 |
this instruction executes an insn modified with the contents of r1
|
603 |
it does not change the executed instruction in memory
|
604 |
it does not change the program counter
|
605 |
in other words: tricky...
|
606 |
currently implemented by interpreting the cases it is most commonly used in
|
607 |
*/
|
608 |
uint32_t HELPER(ex)(uint32_t cc, uint64_t v1, uint64_t addr, uint64_t ret) |
609 |
{ |
610 |
uint16_t insn = lduw_code(addr); |
611 |
HELPER_LOG("%s: v1 0x%lx addr 0x%lx insn 0x%x\n", __FUNCTION__, v1, addr,
|
612 |
insn); |
613 |
if ((insn & 0xf0ff) == 0xd000) { |
614 |
uint32_t l, insn2, b1, b2, d1, d2; |
615 |
l = v1 & 0xff;
|
616 |
insn2 = ldl_code(addr + 2);
|
617 |
b1 = (insn2 >> 28) & 0xf; |
618 |
b2 = (insn2 >> 12) & 0xf; |
619 |
d1 = (insn2 >> 16) & 0xfff; |
620 |
d2 = insn2 & 0xfff;
|
621 |
switch (insn & 0xf00) { |
622 |
case 0x200: |
623 |
helper_mvc(l, get_address(0, b1, d1), get_address(0, b2, d2)); |
624 |
break;
|
625 |
case 0x500: |
626 |
cc = helper_clc(l, get_address(0, b1, d1), get_address(0, b2, d2)); |
627 |
break;
|
628 |
case 0x700: |
629 |
cc = helper_xc(l, get_address(0, b1, d1), get_address(0, b2, d2)); |
630 |
break;
|
631 |
default:
|
632 |
goto abort;
|
633 |
break;
|
634 |
} |
635 |
} else if ((insn & 0xff00) == 0x0a00) { |
636 |
/* supervisor call */
|
637 |
HELPER_LOG("%s: svc %ld via execute\n", __FUNCTION__, (insn|v1) & 0xff); |
638 |
env->psw.addr = ret - 4;
|
639 |
env->int_svc_code = (insn|v1) & 0xff;
|
640 |
env->int_svc_ilc = 4;
|
641 |
helper_exception(EXCP_SVC); |
642 |
} else if ((insn & 0xff00) == 0xbf00) { |
643 |
uint32_t insn2, r1, r3, b2, d2; |
644 |
insn2 = ldl_code(addr + 2);
|
645 |
r1 = (insn2 >> 20) & 0xf; |
646 |
r3 = (insn2 >> 16) & 0xf; |
647 |
b2 = (insn2 >> 12) & 0xf; |
648 |
d2 = insn2 & 0xfff;
|
649 |
cc = helper_icm(r1, get_address(0, b2, d2), r3);
|
650 |
} else {
|
651 |
abort:
|
652 |
cpu_abort(env, "EXECUTE on instruction prefix 0x%x not implemented\n",
|
653 |
insn); |
654 |
} |
655 |
return cc;
|
656 |
} |
657 |
|
658 |
/* absolute value 32-bit */
|
659 |
uint32_t HELPER(abs_i32)(int32_t val) |
660 |
{ |
661 |
if (val < 0) { |
662 |
return -val;
|
663 |
} else {
|
664 |
return val;
|
665 |
} |
666 |
} |
667 |
|
668 |
/* negative absolute value 32-bit */
|
669 |
int32_t HELPER(nabs_i32)(int32_t val) |
670 |
{ |
671 |
if (val < 0) { |
672 |
return val;
|
673 |
} else {
|
674 |
return -val;
|
675 |
} |
676 |
} |
677 |
|
678 |
/* absolute value 64-bit */
|
679 |
uint64_t HELPER(abs_i64)(int64_t val) |
680 |
{ |
681 |
HELPER_LOG("%s: val 0x%" PRIx64 "\n", __FUNCTION__, val); |
682 |
|
683 |
if (val < 0) { |
684 |
return -val;
|
685 |
} else {
|
686 |
return val;
|
687 |
} |
688 |
} |
689 |
|
690 |
/* negative absolute value 64-bit */
|
691 |
int64_t HELPER(nabs_i64)(int64_t val) |
692 |
{ |
693 |
if (val < 0) { |
694 |
return val;
|
695 |
} else {
|
696 |
return -val;
|
697 |
} |
698 |
} |
699 |
|
700 |
/* add with carry 32-bit unsigned */
|
701 |
uint32_t HELPER(addc_u32)(uint32_t cc, uint32_t v1, uint32_t v2) |
702 |
{ |
703 |
uint32_t res; |
704 |
|
705 |
res = v1 + v2; |
706 |
if (cc & 2) { |
707 |
res++; |
708 |
} |
709 |
|
710 |
return res;
|
711 |
} |
712 |
|
713 |
/* store character under mask high operates on the upper half of r1 */
|
714 |
void HELPER(stcmh)(uint32_t r1, uint64_t address, uint32_t mask)
|
715 |
{ |
716 |
int pos = 56; /* top of the upper half of r1 */ |
717 |
|
718 |
while (mask) {
|
719 |
if (mask & 8) { |
720 |
stb(address, (env->regs[r1] >> pos) & 0xff);
|
721 |
address++; |
722 |
} |
723 |
mask = (mask << 1) & 0xf; |
724 |
pos -= 8;
|
725 |
} |
726 |
} |
727 |
|
728 |
/* insert character under mask high; same as icm, but operates on the
|
729 |
upper half of r1 */
|
730 |
uint32_t HELPER(icmh)(uint32_t r1, uint64_t address, uint32_t mask) |
731 |
{ |
732 |
int pos = 56; /* top of the upper half of r1 */ |
733 |
uint64_t rmask = 0xff00000000000000ULL;
|
734 |
uint8_t val = 0;
|
735 |
int ccd = 0; |
736 |
uint32_t cc = 0;
|
737 |
|
738 |
while (mask) {
|
739 |
if (mask & 8) { |
740 |
env->regs[r1] &= ~rmask; |
741 |
val = ldub(address); |
742 |
if ((val & 0x80) && !ccd) { |
743 |
cc = 1;
|
744 |
} |
745 |
ccd = 1;
|
746 |
if (val && cc == 0) { |
747 |
cc = 2;
|
748 |
} |
749 |
env->regs[r1] |= (uint64_t)val << pos; |
750 |
address++; |
751 |
} |
752 |
mask = (mask << 1) & 0xf; |
753 |
pos -= 8;
|
754 |
rmask >>= 8;
|
755 |
} |
756 |
|
757 |
return cc;
|
758 |
} |
759 |
|
760 |
/* insert psw mask and condition code into r1 */
|
761 |
void HELPER(ipm)(uint32_t cc, uint32_t r1)
|
762 |
{ |
763 |
uint64_t r = env->regs[r1]; |
764 |
|
765 |
r &= 0xffffffff00ffffffULL;
|
766 |
r |= (cc << 28) | ( (env->psw.mask >> 40) & 0xf ); |
767 |
env->regs[r1] = r; |
768 |
HELPER_LOG("%s: cc %d psw.mask 0x%lx r1 0x%lx\n", __FUNCTION__,
|
769 |
cc, env->psw.mask, r); |
770 |
} |
771 |
|
772 |
/* load access registers r1 to r3 from memory at a2 */
|
773 |
void HELPER(lam)(uint32_t r1, uint64_t a2, uint32_t r3)
|
774 |
{ |
775 |
int i;
|
776 |
|
777 |
for (i = r1;; i = (i + 1) % 16) { |
778 |
env->aregs[i] = ldl(a2); |
779 |
a2 += 4;
|
780 |
|
781 |
if (i == r3) {
|
782 |
break;
|
783 |
} |
784 |
} |
785 |
} |
786 |
|
787 |
/* store access registers r1 to r3 in memory at a2 */
|
788 |
void HELPER(stam)(uint32_t r1, uint64_t a2, uint32_t r3)
|
789 |
{ |
790 |
int i;
|
791 |
|
792 |
for (i = r1;; i = (i + 1) % 16) { |
793 |
stl(a2, env->aregs[i]); |
794 |
a2 += 4;
|
795 |
|
796 |
if (i == r3) {
|
797 |
break;
|
798 |
} |
799 |
} |
800 |
} |
801 |
|
802 |
/* move long */
|
803 |
uint32_t HELPER(mvcl)(uint32_t r1, uint32_t r2) |
804 |
{ |
805 |
uint64_t destlen = env->regs[r1 + 1] & 0xffffff; |
806 |
uint64_t dest = get_address_31fix(r1); |
807 |
uint64_t srclen = env->regs[r2 + 1] & 0xffffff; |
808 |
uint64_t src = get_address_31fix(r2); |
809 |
uint8_t pad = src >> 24;
|
810 |
uint8_t v; |
811 |
uint32_t cc; |
812 |
|
813 |
if (destlen == srclen) {
|
814 |
cc = 0;
|
815 |
} else if (destlen < srclen) { |
816 |
cc = 1;
|
817 |
} else {
|
818 |
cc = 2;
|
819 |
} |
820 |
|
821 |
if (srclen > destlen) {
|
822 |
srclen = destlen; |
823 |
} |
824 |
|
825 |
for (; destlen && srclen; src++, dest++, destlen--, srclen--) {
|
826 |
v = ldub(src); |
827 |
stb(dest, v); |
828 |
} |
829 |
|
830 |
for (; destlen; dest++, destlen--) {
|
831 |
stb(dest, pad); |
832 |
} |
833 |
|
834 |
env->regs[r1 + 1] = destlen;
|
835 |
/* can't use srclen here, we trunc'ed it */
|
836 |
env->regs[r2 + 1] -= src - env->regs[r2];
|
837 |
env->regs[r1] = dest; |
838 |
env->regs[r2] = src; |
839 |
|
840 |
return cc;
|
841 |
} |
842 |
|
843 |
/* move long extended another memcopy insn with more bells and whistles */
|
844 |
uint32_t HELPER(mvcle)(uint32_t r1, uint64_t a2, uint32_t r3) |
845 |
{ |
846 |
uint64_t destlen = env->regs[r1 + 1];
|
847 |
uint64_t dest = env->regs[r1]; |
848 |
uint64_t srclen = env->regs[r3 + 1];
|
849 |
uint64_t src = env->regs[r3]; |
850 |
uint8_t pad = a2 & 0xff;
|
851 |
uint8_t v; |
852 |
uint32_t cc; |
853 |
|
854 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
855 |
destlen = (uint32_t)destlen; |
856 |
srclen = (uint32_t)srclen; |
857 |
dest &= 0x7fffffff;
|
858 |
src &= 0x7fffffff;
|
859 |
} |
860 |
|
861 |
if (destlen == srclen) {
|
862 |
cc = 0;
|
863 |
} else if (destlen < srclen) { |
864 |
cc = 1;
|
865 |
} else {
|
866 |
cc = 2;
|
867 |
} |
868 |
|
869 |
if (srclen > destlen) {
|
870 |
srclen = destlen; |
871 |
} |
872 |
|
873 |
for (; destlen && srclen; src++, dest++, destlen--, srclen--) {
|
874 |
v = ldub(src); |
875 |
stb(dest, v); |
876 |
} |
877 |
|
878 |
for (; destlen; dest++, destlen--) {
|
879 |
stb(dest, pad); |
880 |
} |
881 |
|
882 |
env->regs[r1 + 1] = destlen;
|
883 |
/* can't use srclen here, we trunc'ed it */
|
884 |
/* FIXME: 31-bit mode! */
|
885 |
env->regs[r3 + 1] -= src - env->regs[r3];
|
886 |
env->regs[r1] = dest; |
887 |
env->regs[r3] = src; |
888 |
|
889 |
return cc;
|
890 |
} |
891 |
|
892 |
/* compare logical long extended memcompare insn with padding */
|
893 |
uint32_t HELPER(clcle)(uint32_t r1, uint64_t a2, uint32_t r3) |
894 |
{ |
895 |
uint64_t destlen = env->regs[r1 + 1];
|
896 |
uint64_t dest = get_address_31fix(r1); |
897 |
uint64_t srclen = env->regs[r3 + 1];
|
898 |
uint64_t src = get_address_31fix(r3); |
899 |
uint8_t pad = a2 & 0xff;
|
900 |
uint8_t v1 = 0,v2 = 0; |
901 |
uint32_t cc = 0;
|
902 |
|
903 |
if (!(destlen || srclen)) {
|
904 |
return cc;
|
905 |
} |
906 |
|
907 |
if (srclen > destlen) {
|
908 |
srclen = destlen; |
909 |
} |
910 |
|
911 |
for (; destlen || srclen; src++, dest++, destlen--, srclen--) {
|
912 |
v1 = srclen ? ldub(src) : pad; |
913 |
v2 = destlen ? ldub(dest) : pad; |
914 |
if (v1 != v2) {
|
915 |
cc = (v1 < v2) ? 1 : 2; |
916 |
break;
|
917 |
} |
918 |
} |
919 |
|
920 |
env->regs[r1 + 1] = destlen;
|
921 |
/* can't use srclen here, we trunc'ed it */
|
922 |
env->regs[r3 + 1] -= src - env->regs[r3];
|
923 |
env->regs[r1] = dest; |
924 |
env->regs[r3] = src; |
925 |
|
926 |
return cc;
|
927 |
} |
928 |
|
929 |
/* subtract unsigned v2 from v1 with borrow */
|
930 |
uint32_t HELPER(slb)(uint32_t cc, uint32_t r1, uint32_t v2) |
931 |
{ |
932 |
uint32_t v1 = env->regs[r1]; |
933 |
uint32_t res = v1 + (~v2) + (cc >> 1);
|
934 |
|
935 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | res;
|
936 |
if (cc & 2) { |
937 |
/* borrow */
|
938 |
return v1 ? 1 : 0; |
939 |
} else {
|
940 |
return v1 ? 3 : 2; |
941 |
} |
942 |
} |
943 |
|
944 |
/* subtract unsigned v2 from v1 with borrow */
|
945 |
uint32_t HELPER(slbg)(uint32_t cc, uint32_t r1, uint64_t v1, uint64_t v2) |
946 |
{ |
947 |
uint64_t res = v1 + (~v2) + (cc >> 1);
|
948 |
|
949 |
env->regs[r1] = res; |
950 |
if (cc & 2) { |
951 |
/* borrow */
|
952 |
return v1 ? 1 : 0; |
953 |
} else {
|
954 |
return v1 ? 3 : 2; |
955 |
} |
956 |
} |
957 |
|
958 |
static inline int float_comp_to_cc(int float_compare) |
959 |
{ |
960 |
switch (float_compare) {
|
961 |
case float_relation_equal:
|
962 |
return 0; |
963 |
case float_relation_less:
|
964 |
return 1; |
965 |
case float_relation_greater:
|
966 |
return 2; |
967 |
case float_relation_unordered:
|
968 |
return 3; |
969 |
default:
|
970 |
cpu_abort(env, "unknown return value for float compare\n");
|
971 |
} |
972 |
} |
973 |
|
974 |
/* condition codes for binary FP ops */
|
975 |
static uint32_t set_cc_f32(float32 v1, float32 v2)
|
976 |
{ |
977 |
return float_comp_to_cc(float32_compare_quiet(v1, v2, &env->fpu_status));
|
978 |
} |
979 |
|
980 |
static uint32_t set_cc_f64(float64 v1, float64 v2)
|
981 |
{ |
982 |
return float_comp_to_cc(float64_compare_quiet(v1, v2, &env->fpu_status));
|
983 |
} |
984 |
|
985 |
/* condition codes for unary FP ops */
|
986 |
static uint32_t set_cc_nz_f32(float32 v)
|
987 |
{ |
988 |
if (float32_is_any_nan(v)) {
|
989 |
return 3; |
990 |
} else if (float32_is_zero(v)) { |
991 |
return 0; |
992 |
} else if (float32_is_neg(v)) { |
993 |
return 1; |
994 |
} else {
|
995 |
return 2; |
996 |
} |
997 |
} |
998 |
|
999 |
static uint32_t set_cc_nz_f64(float64 v)
|
1000 |
{ |
1001 |
if (float64_is_any_nan(v)) {
|
1002 |
return 3; |
1003 |
} else if (float64_is_zero(v)) { |
1004 |
return 0; |
1005 |
} else if (float64_is_neg(v)) { |
1006 |
return 1; |
1007 |
} else {
|
1008 |
return 2; |
1009 |
} |
1010 |
} |
1011 |
|
1012 |
static uint32_t set_cc_nz_f128(float128 v)
|
1013 |
{ |
1014 |
if (float128_is_any_nan(v)) {
|
1015 |
return 3; |
1016 |
} else if (float128_is_zero(v)) { |
1017 |
return 0; |
1018 |
} else if (float128_is_neg(v)) { |
1019 |
return 1; |
1020 |
} else {
|
1021 |
return 2; |
1022 |
} |
1023 |
} |
1024 |
|
1025 |
/* convert 32-bit int to 64-bit float */
|
1026 |
void HELPER(cdfbr)(uint32_t f1, int32_t v2)
|
1027 |
{ |
1028 |
HELPER_LOG("%s: converting %d to f%d\n", __FUNCTION__, v2, f1);
|
1029 |
env->fregs[f1].d = int32_to_float64(v2, &env->fpu_status); |
1030 |
} |
1031 |
|
1032 |
/* convert 32-bit int to 128-bit float */
|
1033 |
void HELPER(cxfbr)(uint32_t f1, int32_t v2)
|
1034 |
{ |
1035 |
CPU_QuadU v1; |
1036 |
v1.q = int32_to_float128(v2, &env->fpu_status); |
1037 |
env->fregs[f1].ll = v1.ll.upper; |
1038 |
env->fregs[f1 + 2].ll = v1.ll.lower;
|
1039 |
} |
1040 |
|
1041 |
/* convert 64-bit int to 32-bit float */
|
1042 |
void HELPER(cegbr)(uint32_t f1, int64_t v2)
|
1043 |
{ |
1044 |
HELPER_LOG("%s: converting %ld to f%d\n", __FUNCTION__, v2, f1);
|
1045 |
env->fregs[f1].l.upper = int64_to_float32(v2, &env->fpu_status); |
1046 |
} |
1047 |
|
1048 |
/* convert 64-bit int to 64-bit float */
|
1049 |
void HELPER(cdgbr)(uint32_t f1, int64_t v2)
|
1050 |
{ |
1051 |
HELPER_LOG("%s: converting %ld to f%d\n", __FUNCTION__, v2, f1);
|
1052 |
env->fregs[f1].d = int64_to_float64(v2, &env->fpu_status); |
1053 |
} |
1054 |
|
1055 |
/* convert 64-bit int to 128-bit float */
|
1056 |
void HELPER(cxgbr)(uint32_t f1, int64_t v2)
|
1057 |
{ |
1058 |
CPU_QuadU x1; |
1059 |
x1.q = int64_to_float128(v2, &env->fpu_status); |
1060 |
HELPER_LOG("%s: converted %ld to 0x%lx and 0x%lx\n", __FUNCTION__, v2,
|
1061 |
x1.ll.upper, x1.ll.lower); |
1062 |
env->fregs[f1].ll = x1.ll.upper; |
1063 |
env->fregs[f1 + 2].ll = x1.ll.lower;
|
1064 |
} |
1065 |
|
1066 |
/* convert 32-bit int to 32-bit float */
|
1067 |
void HELPER(cefbr)(uint32_t f1, int32_t v2)
|
1068 |
{ |
1069 |
env->fregs[f1].l.upper = int32_to_float32(v2, &env->fpu_status); |
1070 |
HELPER_LOG("%s: converting %d to 0x%d in f%d\n", __FUNCTION__, v2,
|
1071 |
env->fregs[f1].l.upper, f1); |
1072 |
} |
1073 |
|
1074 |
/* 32-bit FP addition RR */
|
1075 |
uint32_t HELPER(aebr)(uint32_t f1, uint32_t f2) |
1076 |
{ |
1077 |
env->fregs[f1].l.upper = float32_add(env->fregs[f1].l.upper, |
1078 |
env->fregs[f2].l.upper, |
1079 |
&env->fpu_status); |
1080 |
HELPER_LOG("%s: adding 0x%d resulting in 0x%d in f%d\n", __FUNCTION__,
|
1081 |
env->fregs[f2].l.upper, env->fregs[f1].l.upper, f1); |
1082 |
|
1083 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
1084 |
} |
1085 |
|
1086 |
/* 64-bit FP addition RR */
|
1087 |
uint32_t HELPER(adbr)(uint32_t f1, uint32_t f2) |
1088 |
{ |
1089 |
env->fregs[f1].d = float64_add(env->fregs[f1].d, env->fregs[f2].d, |
1090 |
&env->fpu_status); |
1091 |
HELPER_LOG("%s: adding 0x%ld resulting in 0x%ld in f%d\n", __FUNCTION__,
|
1092 |
env->fregs[f2].d, env->fregs[f1].d, f1); |
1093 |
|
1094 |
return set_cc_nz_f64(env->fregs[f1].d);
|
1095 |
} |
1096 |
|
1097 |
/* 32-bit FP subtraction RR */
|
1098 |
uint32_t HELPER(sebr)(uint32_t f1, uint32_t f2) |
1099 |
{ |
1100 |
env->fregs[f1].l.upper = float32_sub(env->fregs[f1].l.upper, |
1101 |
env->fregs[f2].l.upper, |
1102 |
&env->fpu_status); |
1103 |
HELPER_LOG("%s: adding 0x%d resulting in 0x%d in f%d\n", __FUNCTION__,
|
1104 |
env->fregs[f2].l.upper, env->fregs[f1].l.upper, f1); |
1105 |
|
1106 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
1107 |
} |
1108 |
|
1109 |
/* 64-bit FP subtraction RR */
|
1110 |
uint32_t HELPER(sdbr)(uint32_t f1, uint32_t f2) |
1111 |
{ |
1112 |
env->fregs[f1].d = float64_sub(env->fregs[f1].d, env->fregs[f2].d, |
1113 |
&env->fpu_status); |
1114 |
HELPER_LOG("%s: subtracting 0x%ld resulting in 0x%ld in f%d\n",
|
1115 |
__FUNCTION__, env->fregs[f2].d, env->fregs[f1].d, f1); |
1116 |
|
1117 |
return set_cc_nz_f64(env->fregs[f1].d);
|
1118 |
} |
1119 |
|
1120 |
/* 32-bit FP division RR */
|
1121 |
void HELPER(debr)(uint32_t f1, uint32_t f2)
|
1122 |
{ |
1123 |
env->fregs[f1].l.upper = float32_div(env->fregs[f1].l.upper, |
1124 |
env->fregs[f2].l.upper, |
1125 |
&env->fpu_status); |
1126 |
} |
1127 |
|
1128 |
/* 128-bit FP division RR */
|
1129 |
void HELPER(dxbr)(uint32_t f1, uint32_t f2)
|
1130 |
{ |
1131 |
CPU_QuadU v1; |
1132 |
v1.ll.upper = env->fregs[f1].ll; |
1133 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
1134 |
CPU_QuadU v2; |
1135 |
v2.ll.upper = env->fregs[f2].ll; |
1136 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1137 |
CPU_QuadU res; |
1138 |
res.q = float128_div(v1.q, v2.q, &env->fpu_status); |
1139 |
env->fregs[f1].ll = res.ll.upper; |
1140 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
1141 |
} |
1142 |
|
1143 |
/* 64-bit FP multiplication RR */
|
1144 |
void HELPER(mdbr)(uint32_t f1, uint32_t f2)
|
1145 |
{ |
1146 |
env->fregs[f1].d = float64_mul(env->fregs[f1].d, env->fregs[f2].d, |
1147 |
&env->fpu_status); |
1148 |
} |
1149 |
|
1150 |
/* 128-bit FP multiplication RR */
|
1151 |
void HELPER(mxbr)(uint32_t f1, uint32_t f2)
|
1152 |
{ |
1153 |
CPU_QuadU v1; |
1154 |
v1.ll.upper = env->fregs[f1].ll; |
1155 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
1156 |
CPU_QuadU v2; |
1157 |
v2.ll.upper = env->fregs[f2].ll; |
1158 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1159 |
CPU_QuadU res; |
1160 |
res.q = float128_mul(v1.q, v2.q, &env->fpu_status); |
1161 |
env->fregs[f1].ll = res.ll.upper; |
1162 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
1163 |
} |
1164 |
|
1165 |
/* convert 32-bit float to 64-bit float */
|
1166 |
void HELPER(ldebr)(uint32_t r1, uint32_t r2)
|
1167 |
{ |
1168 |
env->fregs[r1].d = float32_to_float64(env->fregs[r2].l.upper, |
1169 |
&env->fpu_status); |
1170 |
} |
1171 |
|
1172 |
/* convert 128-bit float to 64-bit float */
|
1173 |
void HELPER(ldxbr)(uint32_t f1, uint32_t f2)
|
1174 |
{ |
1175 |
CPU_QuadU x2; |
1176 |
x2.ll.upper = env->fregs[f2].ll; |
1177 |
x2.ll.lower = env->fregs[f2 + 2].ll;
|
1178 |
env->fregs[f1].d = float128_to_float64(x2.q, &env->fpu_status); |
1179 |
HELPER_LOG("%s: to 0x%ld\n", __FUNCTION__, env->fregs[f1].d);
|
1180 |
} |
1181 |
|
1182 |
/* convert 64-bit float to 128-bit float */
|
1183 |
void HELPER(lxdbr)(uint32_t f1, uint32_t f2)
|
1184 |
{ |
1185 |
CPU_QuadU res; |
1186 |
res.q = float64_to_float128(env->fregs[f2].d, &env->fpu_status); |
1187 |
env->fregs[f1].ll = res.ll.upper; |
1188 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
1189 |
} |
1190 |
|
1191 |
/* convert 64-bit float to 32-bit float */
|
1192 |
void HELPER(ledbr)(uint32_t f1, uint32_t f2)
|
1193 |
{ |
1194 |
float64 d2 = env->fregs[f2].d; |
1195 |
env->fregs[f1].l.upper = float64_to_float32(d2, &env->fpu_status); |
1196 |
} |
1197 |
|
1198 |
/* convert 128-bit float to 32-bit float */
|
1199 |
void HELPER(lexbr)(uint32_t f1, uint32_t f2)
|
1200 |
{ |
1201 |
CPU_QuadU x2; |
1202 |
x2.ll.upper = env->fregs[f2].ll; |
1203 |
x2.ll.lower = env->fregs[f2 + 2].ll;
|
1204 |
env->fregs[f1].l.upper = float128_to_float32(x2.q, &env->fpu_status); |
1205 |
HELPER_LOG("%s: to 0x%d\n", __FUNCTION__, env->fregs[f1].l.upper);
|
1206 |
} |
1207 |
|
1208 |
/* absolute value of 32-bit float */
|
1209 |
uint32_t HELPER(lpebr)(uint32_t f1, uint32_t f2) |
1210 |
{ |
1211 |
float32 v1; |
1212 |
float32 v2 = env->fregs[f2].d; |
1213 |
v1 = float32_abs(v2); |
1214 |
env->fregs[f1].d = v1; |
1215 |
return set_cc_nz_f32(v1);
|
1216 |
} |
1217 |
|
1218 |
/* absolute value of 64-bit float */
|
1219 |
uint32_t HELPER(lpdbr)(uint32_t f1, uint32_t f2) |
1220 |
{ |
1221 |
float64 v1; |
1222 |
float64 v2 = env->fregs[f2].d; |
1223 |
v1 = float64_abs(v2); |
1224 |
env->fregs[f1].d = v1; |
1225 |
return set_cc_nz_f64(v1);
|
1226 |
} |
1227 |
|
1228 |
/* absolute value of 128-bit float */
|
1229 |
uint32_t HELPER(lpxbr)(uint32_t f1, uint32_t f2) |
1230 |
{ |
1231 |
CPU_QuadU v1; |
1232 |
CPU_QuadU v2; |
1233 |
v2.ll.upper = env->fregs[f2].ll; |
1234 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1235 |
v1.q = float128_abs(v2.q); |
1236 |
env->fregs[f1].ll = v1.ll.upper; |
1237 |
env->fregs[f1 + 2].ll = v1.ll.lower;
|
1238 |
return set_cc_nz_f128(v1.q);
|
1239 |
} |
1240 |
|
1241 |
/* load and test 64-bit float */
|
1242 |
uint32_t HELPER(ltdbr)(uint32_t f1, uint32_t f2) |
1243 |
{ |
1244 |
env->fregs[f1].d = env->fregs[f2].d; |
1245 |
return set_cc_nz_f64(env->fregs[f1].d);
|
1246 |
} |
1247 |
|
1248 |
/* load and test 32-bit float */
|
1249 |
uint32_t HELPER(ltebr)(uint32_t f1, uint32_t f2) |
1250 |
{ |
1251 |
env->fregs[f1].l.upper = env->fregs[f2].l.upper; |
1252 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
1253 |
} |
1254 |
|
1255 |
/* load and test 128-bit float */
|
1256 |
uint32_t HELPER(ltxbr)(uint32_t f1, uint32_t f2) |
1257 |
{ |
1258 |
CPU_QuadU x; |
1259 |
x.ll.upper = env->fregs[f2].ll; |
1260 |
x.ll.lower = env->fregs[f2 + 2].ll;
|
1261 |
env->fregs[f1].ll = x.ll.upper; |
1262 |
env->fregs[f1 + 2].ll = x.ll.lower;
|
1263 |
return set_cc_nz_f128(x.q);
|
1264 |
} |
1265 |
|
1266 |
/* load complement of 32-bit float */
|
1267 |
uint32_t HELPER(lcebr)(uint32_t f1, uint32_t f2) |
1268 |
{ |
1269 |
env->fregs[f1].l.upper = float32_chs(env->fregs[f2].l.upper); |
1270 |
|
1271 |
return set_cc_nz_f32(env->fregs[f1].l.upper);
|
1272 |
} |
1273 |
|
1274 |
/* load complement of 64-bit float */
|
1275 |
uint32_t HELPER(lcdbr)(uint32_t f1, uint32_t f2) |
1276 |
{ |
1277 |
env->fregs[f1].d = float64_chs(env->fregs[f2].d); |
1278 |
|
1279 |
return set_cc_nz_f64(env->fregs[f1].d);
|
1280 |
} |
1281 |
|
1282 |
/* load complement of 128-bit float */
|
1283 |
uint32_t HELPER(lcxbr)(uint32_t f1, uint32_t f2) |
1284 |
{ |
1285 |
CPU_QuadU x1, x2; |
1286 |
x2.ll.upper = env->fregs[f2].ll; |
1287 |
x2.ll.lower = env->fregs[f2 + 2].ll;
|
1288 |
x1.q = float128_chs(x2.q); |
1289 |
env->fregs[f1].ll = x1.ll.upper; |
1290 |
env->fregs[f1 + 2].ll = x1.ll.lower;
|
1291 |
return set_cc_nz_f128(x1.q);
|
1292 |
} |
1293 |
|
1294 |
/* 32-bit FP addition RM */
|
1295 |
void HELPER(aeb)(uint32_t f1, uint32_t val)
|
1296 |
{ |
1297 |
float32 v1 = env->fregs[f1].l.upper; |
1298 |
CPU_FloatU v2; |
1299 |
v2.l = val; |
1300 |
HELPER_LOG("%s: adding 0x%d from f%d and 0x%d\n", __FUNCTION__,
|
1301 |
v1, f1, v2.f); |
1302 |
env->fregs[f1].l.upper = float32_add(v1, v2.f, &env->fpu_status); |
1303 |
} |
1304 |
|
1305 |
/* 32-bit FP division RM */
|
1306 |
void HELPER(deb)(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: dividing 0x%d from f%d by 0x%d\n", __FUNCTION__,
|
1312 |
v1, f1, v2.f); |
1313 |
env->fregs[f1].l.upper = float32_div(v1, v2.f, &env->fpu_status); |
1314 |
} |
1315 |
|
1316 |
/* 32-bit FP multiplication RM */
|
1317 |
void HELPER(meeb)(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: multiplying 0x%d from f%d and 0x%d\n", __FUNCTION__,
|
1323 |
v1, f1, v2.f); |
1324 |
env->fregs[f1].l.upper = float32_mul(v1, v2.f, &env->fpu_status); |
1325 |
} |
1326 |
|
1327 |
/* 32-bit FP compare RR */
|
1328 |
uint32_t HELPER(cebr)(uint32_t f1, uint32_t f2) |
1329 |
{ |
1330 |
float32 v1 = env->fregs[f1].l.upper; |
1331 |
float32 v2 = env->fregs[f2].l.upper;; |
1332 |
HELPER_LOG("%s: comparing 0x%d from f%d and 0x%d\n", __FUNCTION__,
|
1333 |
v1, f1, v2); |
1334 |
return set_cc_f32(v1, v2);
|
1335 |
} |
1336 |
|
1337 |
/* 64-bit FP compare RR */
|
1338 |
uint32_t HELPER(cdbr)(uint32_t f1, uint32_t f2) |
1339 |
{ |
1340 |
float64 v1 = env->fregs[f1].d; |
1341 |
float64 v2 = env->fregs[f2].d;; |
1342 |
HELPER_LOG("%s: comparing 0x%ld from f%d and 0x%ld\n", __FUNCTION__,
|
1343 |
v1, f1, v2); |
1344 |
return set_cc_f64(v1, v2);
|
1345 |
} |
1346 |
|
1347 |
/* 128-bit FP compare RR */
|
1348 |
uint32_t HELPER(cxbr)(uint32_t f1, uint32_t f2) |
1349 |
{ |
1350 |
CPU_QuadU v1; |
1351 |
v1.ll.upper = env->fregs[f1].ll; |
1352 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
1353 |
CPU_QuadU v2; |
1354 |
v2.ll.upper = env->fregs[f2].ll; |
1355 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1356 |
|
1357 |
return float_comp_to_cc(float128_compare_quiet(v1.q, v2.q,
|
1358 |
&env->fpu_status)); |
1359 |
} |
1360 |
|
1361 |
/* 64-bit FP compare RM */
|
1362 |
uint32_t HELPER(cdb)(uint32_t f1, uint64_t a2) |
1363 |
{ |
1364 |
float64 v1 = env->fregs[f1].d; |
1365 |
CPU_DoubleU v2; |
1366 |
v2.ll = ldq(a2); |
1367 |
HELPER_LOG("%s: comparing 0x%ld from f%d and 0x%lx\n", __FUNCTION__, v1,
|
1368 |
f1, v2.d); |
1369 |
return set_cc_f64(v1, v2.d);
|
1370 |
} |
1371 |
|
1372 |
/* 64-bit FP addition RM */
|
1373 |
uint32_t HELPER(adb)(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: adding 0x%lx from f%d and 0x%lx\n", __FUNCTION__,
|
1379 |
v1, f1, v2.d); |
1380 |
env->fregs[f1].d = v1 = float64_add(v1, v2.d, &env->fpu_status); |
1381 |
return set_cc_nz_f64(v1);
|
1382 |
} |
1383 |
|
1384 |
/* 32-bit FP subtraction RM */
|
1385 |
void HELPER(seb)(uint32_t f1, uint32_t val)
|
1386 |
{ |
1387 |
float32 v1 = env->fregs[f1].l.upper; |
1388 |
CPU_FloatU v2; |
1389 |
v2.l = val; |
1390 |
env->fregs[f1].l.upper = float32_sub(v1, v2.f, &env->fpu_status); |
1391 |
} |
1392 |
|
1393 |
/* 64-bit FP subtraction RM */
|
1394 |
uint32_t HELPER(sdb)(uint32_t f1, uint64_t a2) |
1395 |
{ |
1396 |
float64 v1 = env->fregs[f1].d; |
1397 |
CPU_DoubleU v2; |
1398 |
v2.ll = ldq(a2); |
1399 |
env->fregs[f1].d = v1 = float64_sub(v1, v2.d, &env->fpu_status); |
1400 |
return set_cc_nz_f64(v1);
|
1401 |
} |
1402 |
|
1403 |
/* 64-bit FP multiplication RM */
|
1404 |
void HELPER(mdb)(uint32_t f1, uint64_t a2)
|
1405 |
{ |
1406 |
float64 v1 = env->fregs[f1].d; |
1407 |
CPU_DoubleU v2; |
1408 |
v2.ll = ldq(a2); |
1409 |
HELPER_LOG("%s: multiplying 0x%lx from f%d and 0x%ld\n", __FUNCTION__,
|
1410 |
v1, f1, v2.d); |
1411 |
env->fregs[f1].d = float64_mul(v1, v2.d, &env->fpu_status); |
1412 |
} |
1413 |
|
1414 |
/* 64-bit FP division RM */
|
1415 |
void HELPER(ddb)(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: dividing 0x%lx from f%d by 0x%ld\n", __FUNCTION__,
|
1421 |
v1, f1, v2.d); |
1422 |
env->fregs[f1].d = float64_div(v1, v2.d, &env->fpu_status); |
1423 |
} |
1424 |
|
1425 |
static void set_round_mode(int m3) |
1426 |
{ |
1427 |
switch (m3) {
|
1428 |
case 0: |
1429 |
/* current mode */
|
1430 |
break;
|
1431 |
case 1: |
1432 |
/* biased round no nearest */
|
1433 |
case 4: |
1434 |
/* round to nearest */
|
1435 |
set_float_rounding_mode(float_round_nearest_even, &env->fpu_status); |
1436 |
break;
|
1437 |
case 5: |
1438 |
/* round to zero */
|
1439 |
set_float_rounding_mode(float_round_to_zero, &env->fpu_status); |
1440 |
break;
|
1441 |
case 6: |
1442 |
/* round to +inf */
|
1443 |
set_float_rounding_mode(float_round_up, &env->fpu_status); |
1444 |
break;
|
1445 |
case 7: |
1446 |
/* round to -inf */
|
1447 |
set_float_rounding_mode(float_round_down, &env->fpu_status); |
1448 |
break;
|
1449 |
} |
1450 |
} |
1451 |
|
1452 |
/* convert 32-bit float to 64-bit int */
|
1453 |
uint32_t HELPER(cgebr)(uint32_t r1, uint32_t f2, uint32_t m3) |
1454 |
{ |
1455 |
float32 v2 = env->fregs[f2].l.upper; |
1456 |
set_round_mode(m3); |
1457 |
env->regs[r1] = float32_to_int64(v2, &env->fpu_status); |
1458 |
return set_cc_nz_f32(v2);
|
1459 |
} |
1460 |
|
1461 |
/* convert 64-bit float to 64-bit int */
|
1462 |
uint32_t HELPER(cgdbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
1463 |
{ |
1464 |
float64 v2 = env->fregs[f2].d; |
1465 |
set_round_mode(m3); |
1466 |
env->regs[r1] = float64_to_int64(v2, &env->fpu_status); |
1467 |
return set_cc_nz_f64(v2);
|
1468 |
} |
1469 |
|
1470 |
/* convert 128-bit float to 64-bit int */
|
1471 |
uint32_t HELPER(cgxbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
1472 |
{ |
1473 |
CPU_QuadU v2; |
1474 |
v2.ll.upper = env->fregs[f2].ll; |
1475 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1476 |
set_round_mode(m3); |
1477 |
env->regs[r1] = float128_to_int64(v2.q, &env->fpu_status); |
1478 |
if (float128_is_any_nan(v2.q)) {
|
1479 |
return 3; |
1480 |
} else if (float128_is_zero(v2.q)) { |
1481 |
return 0; |
1482 |
} else if (float128_is_neg(v2.q)) { |
1483 |
return 1; |
1484 |
} else {
|
1485 |
return 2; |
1486 |
} |
1487 |
} |
1488 |
|
1489 |
/* convert 32-bit float to 32-bit int */
|
1490 |
uint32_t HELPER(cfebr)(uint32_t r1, uint32_t f2, uint32_t m3) |
1491 |
{ |
1492 |
float32 v2 = env->fregs[f2].l.upper; |
1493 |
set_round_mode(m3); |
1494 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
|
1495 |
float32_to_int32(v2, &env->fpu_status); |
1496 |
return set_cc_nz_f32(v2);
|
1497 |
} |
1498 |
|
1499 |
/* convert 64-bit float to 32-bit int */
|
1500 |
uint32_t HELPER(cfdbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
1501 |
{ |
1502 |
float64 v2 = env->fregs[f2].d; |
1503 |
set_round_mode(m3); |
1504 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
|
1505 |
float64_to_int32(v2, &env->fpu_status); |
1506 |
return set_cc_nz_f64(v2);
|
1507 |
} |
1508 |
|
1509 |
/* convert 128-bit float to 32-bit int */
|
1510 |
uint32_t HELPER(cfxbr)(uint32_t r1, uint32_t f2, uint32_t m3) |
1511 |
{ |
1512 |
CPU_QuadU v2; |
1513 |
v2.ll.upper = env->fregs[f2].ll; |
1514 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1515 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
|
1516 |
float128_to_int32(v2.q, &env->fpu_status); |
1517 |
return set_cc_nz_f128(v2.q);
|
1518 |
} |
1519 |
|
1520 |
/* load 32-bit FP zero */
|
1521 |
void HELPER(lzer)(uint32_t f1)
|
1522 |
{ |
1523 |
env->fregs[f1].l.upper = float32_zero; |
1524 |
} |
1525 |
|
1526 |
/* load 64-bit FP zero */
|
1527 |
void HELPER(lzdr)(uint32_t f1)
|
1528 |
{ |
1529 |
env->fregs[f1].d = float64_zero; |
1530 |
} |
1531 |
|
1532 |
/* load 128-bit FP zero */
|
1533 |
void HELPER(lzxr)(uint32_t f1)
|
1534 |
{ |
1535 |
CPU_QuadU x; |
1536 |
x.q = float64_to_float128(float64_zero, &env->fpu_status); |
1537 |
env->fregs[f1].ll = x.ll.upper; |
1538 |
env->fregs[f1 + 1].ll = x.ll.lower;
|
1539 |
} |
1540 |
|
1541 |
/* 128-bit FP subtraction RR */
|
1542 |
uint32_t HELPER(sxbr)(uint32_t f1, uint32_t f2) |
1543 |
{ |
1544 |
CPU_QuadU v1; |
1545 |
v1.ll.upper = env->fregs[f1].ll; |
1546 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
1547 |
CPU_QuadU v2; |
1548 |
v2.ll.upper = env->fregs[f2].ll; |
1549 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1550 |
CPU_QuadU res; |
1551 |
res.q = float128_sub(v1.q, v2.q, &env->fpu_status); |
1552 |
env->fregs[f1].ll = res.ll.upper; |
1553 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
1554 |
return set_cc_nz_f128(res.q);
|
1555 |
} |
1556 |
|
1557 |
/* 128-bit FP addition RR */
|
1558 |
uint32_t HELPER(axbr)(uint32_t f1, uint32_t f2) |
1559 |
{ |
1560 |
CPU_QuadU v1; |
1561 |
v1.ll.upper = env->fregs[f1].ll; |
1562 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
1563 |
CPU_QuadU v2; |
1564 |
v2.ll.upper = env->fregs[f2].ll; |
1565 |
v2.ll.lower = env->fregs[f2 + 2].ll;
|
1566 |
CPU_QuadU res; |
1567 |
res.q = float128_add(v1.q, v2.q, &env->fpu_status); |
1568 |
env->fregs[f1].ll = res.ll.upper; |
1569 |
env->fregs[f1 + 2].ll = res.ll.lower;
|
1570 |
return set_cc_nz_f128(res.q);
|
1571 |
} |
1572 |
|
1573 |
/* 32-bit FP multiplication RR */
|
1574 |
void HELPER(meebr)(uint32_t f1, uint32_t f2)
|
1575 |
{ |
1576 |
env->fregs[f1].l.upper = float32_mul(env->fregs[f1].l.upper, |
1577 |
env->fregs[f2].l.upper, |
1578 |
&env->fpu_status); |
1579 |
} |
1580 |
|
1581 |
/* 64-bit FP division RR */
|
1582 |
void HELPER(ddbr)(uint32_t f1, uint32_t f2)
|
1583 |
{ |
1584 |
env->fregs[f1].d = float64_div(env->fregs[f1].d, env->fregs[f2].d, |
1585 |
&env->fpu_status); |
1586 |
} |
1587 |
|
1588 |
/* 64-bit FP multiply and add RM */
|
1589 |
void HELPER(madb)(uint32_t f1, uint64_t a2, uint32_t f3)
|
1590 |
{ |
1591 |
HELPER_LOG("%s: f1 %d a2 0x%lx f3 %d\n", __FUNCTION__, f1, a2, f3);
|
1592 |
CPU_DoubleU v2; |
1593 |
v2.ll = ldq(a2); |
1594 |
env->fregs[f1].d = float64_add(env->fregs[f1].d, |
1595 |
float64_mul(v2.d, env->fregs[f3].d, |
1596 |
&env->fpu_status), |
1597 |
&env->fpu_status); |
1598 |
} |
1599 |
|
1600 |
/* 64-bit FP multiply and add RR */
|
1601 |
void HELPER(madbr)(uint32_t f1, uint32_t f3, uint32_t f2)
|
1602 |
{ |
1603 |
HELPER_LOG("%s: f1 %d f2 %d f3 %d\n", __FUNCTION__, f1, f2, f3);
|
1604 |
env->fregs[f1].d = float64_add(float64_mul(env->fregs[f2].d, |
1605 |
env->fregs[f3].d, |
1606 |
&env->fpu_status), |
1607 |
env->fregs[f1].d, &env->fpu_status); |
1608 |
} |
1609 |
|
1610 |
/* 64-bit FP multiply and subtract RR */
|
1611 |
void HELPER(msdbr)(uint32_t f1, uint32_t f3, uint32_t f2)
|
1612 |
{ |
1613 |
HELPER_LOG("%s: f1 %d f2 %d f3 %d\n", __FUNCTION__, f1, f2, f3);
|
1614 |
env->fregs[f1].d = float64_sub(float64_mul(env->fregs[f2].d, |
1615 |
env->fregs[f3].d, |
1616 |
&env->fpu_status), |
1617 |
env->fregs[f1].d, &env->fpu_status); |
1618 |
} |
1619 |
|
1620 |
/* 32-bit FP multiply and add RR */
|
1621 |
void HELPER(maebr)(uint32_t f1, uint32_t f3, uint32_t f2)
|
1622 |
{ |
1623 |
env->fregs[f1].l.upper = float32_add(env->fregs[f1].l.upper, |
1624 |
float32_mul(env->fregs[f2].l.upper, |
1625 |
env->fregs[f3].l.upper, |
1626 |
&env->fpu_status), |
1627 |
&env->fpu_status); |
1628 |
} |
1629 |
|
1630 |
/* convert 64-bit float to 128-bit float */
|
1631 |
void HELPER(lxdb)(uint32_t f1, uint64_t a2)
|
1632 |
{ |
1633 |
CPU_DoubleU v2; |
1634 |
v2.ll = ldq(a2); |
1635 |
CPU_QuadU v1; |
1636 |
v1.q = float64_to_float128(v2.d, &env->fpu_status); |
1637 |
env->fregs[f1].ll = v1.ll.upper; |
1638 |
env->fregs[f1 + 2].ll = v1.ll.lower;
|
1639 |
} |
1640 |
|
1641 |
/* test data class 32-bit */
|
1642 |
uint32_t HELPER(tceb)(uint32_t f1, uint64_t m2) |
1643 |
{ |
1644 |
float32 v1 = env->fregs[f1].l.upper; |
1645 |
int neg = float32_is_neg(v1);
|
1646 |
uint32_t cc = 0;
|
1647 |
|
1648 |
HELPER_LOG("%s: v1 0x%lx m2 0x%lx neg %d\n", __FUNCTION__, (long)v1, m2, neg); |
1649 |
if ((float32_is_zero(v1) && (m2 & (1 << (11-neg)))) || |
1650 |
(float32_is_infinity(v1) && (m2 & (1 << (5-neg)))) || |
1651 |
(float32_is_any_nan(v1) && (m2 & (1 << (3-neg)))) || |
1652 |
(float32_is_signaling_nan(v1) && (m2 & (1 << (1-neg))))) { |
1653 |
cc = 1;
|
1654 |
} else if (m2 & (1 << (9-neg))) { |
1655 |
/* assume normalized number */
|
1656 |
cc = 1;
|
1657 |
} |
1658 |
|
1659 |
/* FIXME: denormalized? */
|
1660 |
return cc;
|
1661 |
} |
1662 |
|
1663 |
/* test data class 64-bit */
|
1664 |
uint32_t HELPER(tcdb)(uint32_t f1, uint64_t m2) |
1665 |
{ |
1666 |
float64 v1 = env->fregs[f1].d; |
1667 |
int neg = float64_is_neg(v1);
|
1668 |
uint32_t cc = 0;
|
1669 |
|
1670 |
HELPER_LOG("%s: v1 0x%lx m2 0x%lx neg %d\n", __FUNCTION__, v1, m2, neg);
|
1671 |
if ((float64_is_zero(v1) && (m2 & (1 << (11-neg)))) || |
1672 |
(float64_is_infinity(v1) && (m2 & (1 << (5-neg)))) || |
1673 |
(float64_is_any_nan(v1) && (m2 & (1 << (3-neg)))) || |
1674 |
(float64_is_signaling_nan(v1) && (m2 & (1 << (1-neg))))) { |
1675 |
cc = 1;
|
1676 |
} else if (m2 & (1 << (9-neg))) { |
1677 |
/* assume normalized number */
|
1678 |
cc = 1;
|
1679 |
} |
1680 |
/* FIXME: denormalized? */
|
1681 |
return cc;
|
1682 |
} |
1683 |
|
1684 |
/* test data class 128-bit */
|
1685 |
uint32_t HELPER(tcxb)(uint32_t f1, uint64_t m2) |
1686 |
{ |
1687 |
CPU_QuadU v1; |
1688 |
uint32_t cc = 0;
|
1689 |
v1.ll.upper = env->fregs[f1].ll; |
1690 |
v1.ll.lower = env->fregs[f1 + 2].ll;
|
1691 |
|
1692 |
int neg = float128_is_neg(v1.q);
|
1693 |
if ((float128_is_zero(v1.q) && (m2 & (1 << (11-neg)))) || |
1694 |
(float128_is_infinity(v1.q) && (m2 & (1 << (5-neg)))) || |
1695 |
(float128_is_any_nan(v1.q) && (m2 & (1 << (3-neg)))) || |
1696 |
(float128_is_signaling_nan(v1.q) && (m2 & (1 << (1-neg))))) { |
1697 |
cc = 1;
|
1698 |
} else if (m2 & (1 << (9-neg))) { |
1699 |
/* assume normalized number */
|
1700 |
cc = 1;
|
1701 |
} |
1702 |
/* FIXME: denormalized? */
|
1703 |
return cc;
|
1704 |
} |
1705 |
|
1706 |
/* find leftmost one */
|
1707 |
uint32_t HELPER(flogr)(uint32_t r1, uint64_t v2) |
1708 |
{ |
1709 |
uint64_t res = 0;
|
1710 |
uint64_t ov2 = v2; |
1711 |
|
1712 |
while (!(v2 & 0x8000000000000000ULL) && v2) { |
1713 |
v2 <<= 1;
|
1714 |
res++; |
1715 |
} |
1716 |
|
1717 |
if (!v2) {
|
1718 |
env->regs[r1] = 64;
|
1719 |
env->regs[r1 + 1] = 0; |
1720 |
return 0; |
1721 |
} else {
|
1722 |
env->regs[r1] = res; |
1723 |
env->regs[r1 + 1] = ov2 & ~(0x8000000000000000ULL >> res); |
1724 |
return 2; |
1725 |
} |
1726 |
} |
1727 |
|
1728 |
/* square root 64-bit RR */
|
1729 |
void HELPER(sqdbr)(uint32_t f1, uint32_t f2)
|
1730 |
{ |
1731 |
env->fregs[f1].d = float64_sqrt(env->fregs[f2].d, &env->fpu_status); |
1732 |
} |
1733 |
|
1734 |
static inline uint64_t cksm_overflow(uint64_t cksm) |
1735 |
{ |
1736 |
if (cksm > 0xffffffffULL) { |
1737 |
cksm &= 0xffffffffULL;
|
1738 |
cksm++; |
1739 |
} |
1740 |
return cksm;
|
1741 |
} |
1742 |
|
1743 |
/* checksum */
|
1744 |
void HELPER(cksm)(uint32_t r1, uint32_t r2)
|
1745 |
{ |
1746 |
uint64_t src = get_address_31fix(r2); |
1747 |
uint64_t src_len = env->regs[(r2 + 1) & 15]; |
1748 |
uint64_t cksm = 0;
|
1749 |
|
1750 |
while (src_len >= 4) { |
1751 |
cksm += ldl(src); |
1752 |
cksm = cksm_overflow(cksm); |
1753 |
|
1754 |
/* move to next word */
|
1755 |
src_len -= 4;
|
1756 |
src += 4;
|
1757 |
} |
1758 |
|
1759 |
switch (src_len) {
|
1760 |
case 0: |
1761 |
break;
|
1762 |
case 1: |
1763 |
cksm += ldub(src); |
1764 |
cksm = cksm_overflow(cksm); |
1765 |
break;
|
1766 |
case 2: |
1767 |
cksm += lduw(src); |
1768 |
cksm = cksm_overflow(cksm); |
1769 |
break;
|
1770 |
case 3: |
1771 |
/* XXX check if this really is correct */
|
1772 |
cksm += lduw(src) << 8;
|
1773 |
cksm += ldub(src + 2);
|
1774 |
cksm = cksm_overflow(cksm); |
1775 |
break;
|
1776 |
} |
1777 |
|
1778 |
/* indicate we've processed everything */
|
1779 |
env->regs[(r2 + 1) & 15] = 0; |
1780 |
|
1781 |
/* store result */
|
1782 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | (uint32_t)cksm;
|
1783 |
} |
1784 |
|
1785 |
static inline uint32_t cc_calc_ltgt_32(CPUState *env, int32_t src, |
1786 |
int32_t dst) |
1787 |
{ |
1788 |
if (src == dst) {
|
1789 |
return 0; |
1790 |
} else if (src < dst) { |
1791 |
return 1; |
1792 |
} else {
|
1793 |
return 2; |
1794 |
} |
1795 |
} |
1796 |
|
1797 |
static inline uint32_t cc_calc_ltgt0_32(CPUState *env, int32_t dst) |
1798 |
{ |
1799 |
return cc_calc_ltgt_32(env, dst, 0); |
1800 |
} |
1801 |
|
1802 |
static inline uint32_t cc_calc_ltgt_64(CPUState *env, int64_t src, |
1803 |
int64_t dst) |
1804 |
{ |
1805 |
if (src == dst) {
|
1806 |
return 0; |
1807 |
} else if (src < dst) { |
1808 |
return 1; |
1809 |
} else {
|
1810 |
return 2; |
1811 |
} |
1812 |
} |
1813 |
|
1814 |
static inline uint32_t cc_calc_ltgt0_64(CPUState *env, int64_t dst) |
1815 |
{ |
1816 |
return cc_calc_ltgt_64(env, dst, 0); |
1817 |
} |
1818 |
|
1819 |
static inline uint32_t cc_calc_ltugtu_32(CPUState *env, uint32_t src, |
1820 |
uint32_t dst) |
1821 |
{ |
1822 |
if (src == dst) {
|
1823 |
return 0; |
1824 |
} else if (src < dst) { |
1825 |
return 1; |
1826 |
} else {
|
1827 |
return 2; |
1828 |
} |
1829 |
} |
1830 |
|
1831 |
static inline uint32_t cc_calc_ltugtu_64(CPUState *env, uint64_t src, |
1832 |
uint64_t dst) |
1833 |
{ |
1834 |
if (src == dst) {
|
1835 |
return 0; |
1836 |
} else if (src < dst) { |
1837 |
return 1; |
1838 |
} else {
|
1839 |
return 2; |
1840 |
} |
1841 |
} |
1842 |
|
1843 |
static inline uint32_t cc_calc_tm_32(CPUState *env, uint32_t val, uint32_t mask) |
1844 |
{ |
1845 |
HELPER_LOG("%s: val 0x%x mask 0x%x\n", __FUNCTION__, val, mask);
|
1846 |
uint16_t r = val & mask; |
1847 |
if (r == 0 || mask == 0) { |
1848 |
return 0; |
1849 |
} else if (r == mask) { |
1850 |
return 3; |
1851 |
} else {
|
1852 |
return 1; |
1853 |
} |
1854 |
} |
1855 |
|
1856 |
/* set condition code for test under mask */
|
1857 |
static inline uint32_t cc_calc_tm_64(CPUState *env, uint64_t val, uint32_t mask) |
1858 |
{ |
1859 |
uint16_t r = val & mask; |
1860 |
HELPER_LOG("%s: val 0x%lx mask 0x%x r 0x%x\n", __FUNCTION__, val, mask, r);
|
1861 |
if (r == 0 || mask == 0) { |
1862 |
return 0; |
1863 |
} else if (r == mask) { |
1864 |
return 3; |
1865 |
} else {
|
1866 |
while (!(mask & 0x8000)) { |
1867 |
mask <<= 1;
|
1868 |
val <<= 1;
|
1869 |
} |
1870 |
if (val & 0x8000) { |
1871 |
return 2; |
1872 |
} else {
|
1873 |
return 1; |
1874 |
} |
1875 |
} |
1876 |
} |
1877 |
|
1878 |
static inline uint32_t cc_calc_nz(CPUState *env, uint64_t dst) |
1879 |
{ |
1880 |
return !!dst;
|
1881 |
} |
1882 |
|
1883 |
static inline uint32_t cc_calc_add_64(CPUState *env, int64_t a1, int64_t a2, |
1884 |
int64_t ar) |
1885 |
{ |
1886 |
if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) { |
1887 |
return 3; /* overflow */ |
1888 |
} else {
|
1889 |
if (ar < 0) { |
1890 |
return 1; |
1891 |
} else if (ar > 0) { |
1892 |
return 2; |
1893 |
} else {
|
1894 |
return 0; |
1895 |
} |
1896 |
} |
1897 |
} |
1898 |
|
1899 |
static inline uint32_t cc_calc_addu_64(CPUState *env, uint64_t a1, uint64_t a2, |
1900 |
uint64_t ar) |
1901 |
{ |
1902 |
if (ar == 0) { |
1903 |
if (a1) {
|
1904 |
return 2; |
1905 |
} else {
|
1906 |
return 0; |
1907 |
} |
1908 |
} else {
|
1909 |
if (ar < a1 || ar < a2) {
|
1910 |
return 3; |
1911 |
} else {
|
1912 |
return 1; |
1913 |
} |
1914 |
} |
1915 |
} |
1916 |
|
1917 |
static inline uint32_t cc_calc_sub_64(CPUState *env, int64_t a1, int64_t a2, |
1918 |
int64_t ar) |
1919 |
{ |
1920 |
if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) { |
1921 |
return 3; /* overflow */ |
1922 |
} else {
|
1923 |
if (ar < 0) { |
1924 |
return 1; |
1925 |
} else if (ar > 0) { |
1926 |
return 2; |
1927 |
} else {
|
1928 |
return 0; |
1929 |
} |
1930 |
} |
1931 |
} |
1932 |
|
1933 |
static inline uint32_t cc_calc_subu_64(CPUState *env, uint64_t a1, uint64_t a2, |
1934 |
uint64_t ar) |
1935 |
{ |
1936 |
if (ar == 0) { |
1937 |
return 2; |
1938 |
} else {
|
1939 |
if (a2 > a1) {
|
1940 |
return 1; |
1941 |
} else {
|
1942 |
return 3; |
1943 |
} |
1944 |
} |
1945 |
} |
1946 |
|
1947 |
static inline uint32_t cc_calc_abs_64(CPUState *env, int64_t dst) |
1948 |
{ |
1949 |
if ((uint64_t)dst == 0x8000000000000000ULL) { |
1950 |
return 3; |
1951 |
} else if (dst) { |
1952 |
return 1; |
1953 |
} else {
|
1954 |
return 0; |
1955 |
} |
1956 |
} |
1957 |
|
1958 |
static inline uint32_t cc_calc_nabs_64(CPUState *env, int64_t dst) |
1959 |
{ |
1960 |
return !!dst;
|
1961 |
} |
1962 |
|
1963 |
static inline uint32_t cc_calc_comp_64(CPUState *env, int64_t dst) |
1964 |
{ |
1965 |
if ((uint64_t)dst == 0x8000000000000000ULL) { |
1966 |
return 3; |
1967 |
} else if (dst < 0) { |
1968 |
return 1; |
1969 |
} else if (dst > 0) { |
1970 |
return 2; |
1971 |
} else {
|
1972 |
return 0; |
1973 |
} |
1974 |
} |
1975 |
|
1976 |
|
1977 |
static inline uint32_t cc_calc_add_32(CPUState *env, int32_t a1, int32_t a2, |
1978 |
int32_t ar) |
1979 |
{ |
1980 |
if ((a1 > 0 && a2 > 0 && ar < 0) || (a1 < 0 && a2 < 0 && ar > 0)) { |
1981 |
return 3; /* overflow */ |
1982 |
} else {
|
1983 |
if (ar < 0) { |
1984 |
return 1; |
1985 |
} else if (ar > 0) { |
1986 |
return 2; |
1987 |
} else {
|
1988 |
return 0; |
1989 |
} |
1990 |
} |
1991 |
} |
1992 |
|
1993 |
static inline uint32_t cc_calc_addu_32(CPUState *env, uint32_t a1, uint32_t a2, |
1994 |
uint32_t ar) |
1995 |
{ |
1996 |
if (ar == 0) { |
1997 |
if (a1) {
|
1998 |
return 2; |
1999 |
} else {
|
2000 |
return 0; |
2001 |
} |
2002 |
} else {
|
2003 |
if (ar < a1 || ar < a2) {
|
2004 |
return 3; |
2005 |
} else {
|
2006 |
return 1; |
2007 |
} |
2008 |
} |
2009 |
} |
2010 |
|
2011 |
static inline uint32_t cc_calc_sub_32(CPUState *env, int32_t a1, int32_t a2, |
2012 |
int32_t ar) |
2013 |
{ |
2014 |
if ((a1 > 0 && a2 < 0 && ar < 0) || (a1 < 0 && a2 > 0 && ar > 0)) { |
2015 |
return 3; /* overflow */ |
2016 |
} else {
|
2017 |
if (ar < 0) { |
2018 |
return 1; |
2019 |
} else if (ar > 0) { |
2020 |
return 2; |
2021 |
} else {
|
2022 |
return 0; |
2023 |
} |
2024 |
} |
2025 |
} |
2026 |
|
2027 |
static inline uint32_t cc_calc_subu_32(CPUState *env, uint32_t a1, uint32_t a2, |
2028 |
uint32_t ar) |
2029 |
{ |
2030 |
if (ar == 0) { |
2031 |
return 2; |
2032 |
} else {
|
2033 |
if (a2 > a1) {
|
2034 |
return 1; |
2035 |
} else {
|
2036 |
return 3; |
2037 |
} |
2038 |
} |
2039 |
} |
2040 |
|
2041 |
static inline uint32_t cc_calc_abs_32(CPUState *env, int32_t dst) |
2042 |
{ |
2043 |
if ((uint32_t)dst == 0x80000000UL) { |
2044 |
return 3; |
2045 |
} else if (dst) { |
2046 |
return 1; |
2047 |
} else {
|
2048 |
return 0; |
2049 |
} |
2050 |
} |
2051 |
|
2052 |
static inline uint32_t cc_calc_nabs_32(CPUState *env, int32_t dst) |
2053 |
{ |
2054 |
return !!dst;
|
2055 |
} |
2056 |
|
2057 |
static inline uint32_t cc_calc_comp_32(CPUState *env, int32_t dst) |
2058 |
{ |
2059 |
if ((uint32_t)dst == 0x80000000UL) { |
2060 |
return 3; |
2061 |
} else if (dst < 0) { |
2062 |
return 1; |
2063 |
} else if (dst > 0) { |
2064 |
return 2; |
2065 |
} else {
|
2066 |
return 0; |
2067 |
} |
2068 |
} |
2069 |
|
2070 |
/* calculate condition code for insert character under mask insn */
|
2071 |
static inline uint32_t cc_calc_icm_32(CPUState *env, uint32_t mask, uint32_t val) |
2072 |
{ |
2073 |
HELPER_LOG("%s: mask 0x%x val %d\n", __FUNCTION__, mask, val);
|
2074 |
uint32_t cc; |
2075 |
|
2076 |
if (mask == 0xf) { |
2077 |
if (!val) {
|
2078 |
return 0; |
2079 |
} else if (val & 0x80000000) { |
2080 |
return 1; |
2081 |
} else {
|
2082 |
return 2; |
2083 |
} |
2084 |
} |
2085 |
|
2086 |
if (!val || !mask) {
|
2087 |
cc = 0;
|
2088 |
} else {
|
2089 |
while (mask != 1) { |
2090 |
mask >>= 1;
|
2091 |
val >>= 8;
|
2092 |
} |
2093 |
if (val & 0x80) { |
2094 |
cc = 1;
|
2095 |
} else {
|
2096 |
cc = 2;
|
2097 |
} |
2098 |
} |
2099 |
return cc;
|
2100 |
} |
2101 |
|
2102 |
static inline uint32_t cc_calc_slag(CPUState *env, uint64_t src, uint64_t shift) |
2103 |
{ |
2104 |
uint64_t mask = ((1ULL << shift) - 1ULL) << (64 - shift); |
2105 |
uint64_t match, r; |
2106 |
|
2107 |
/* check if the sign bit stays the same */
|
2108 |
if (src & (1ULL << 63)) { |
2109 |
match = mask; |
2110 |
} else {
|
2111 |
match = 0;
|
2112 |
} |
2113 |
|
2114 |
if ((src & mask) != match) {
|
2115 |
/* overflow */
|
2116 |
return 3; |
2117 |
} |
2118 |
|
2119 |
r = ((src << shift) & ((1ULL << 63) - 1)) | (src & (1ULL << 63)); |
2120 |
|
2121 |
if ((int64_t)r == 0) { |
2122 |
return 0; |
2123 |
} else if ((int64_t)r < 0) { |
2124 |
return 1; |
2125 |
} |
2126 |
|
2127 |
return 2; |
2128 |
} |
2129 |
|
2130 |
|
2131 |
static inline uint32_t do_calc_cc(CPUState *env, uint32_t cc_op, uint64_t src, |
2132 |
uint64_t dst, uint64_t vr) |
2133 |
{ |
2134 |
uint32_t r = 0;
|
2135 |
|
2136 |
switch (cc_op) {
|
2137 |
case CC_OP_CONST0:
|
2138 |
case CC_OP_CONST1:
|
2139 |
case CC_OP_CONST2:
|
2140 |
case CC_OP_CONST3:
|
2141 |
/* cc_op value _is_ cc */
|
2142 |
r = cc_op; |
2143 |
break;
|
2144 |
case CC_OP_LTGT0_32:
|
2145 |
r = cc_calc_ltgt0_32(env, dst); |
2146 |
break;
|
2147 |
case CC_OP_LTGT0_64:
|
2148 |
r = cc_calc_ltgt0_64(env, dst); |
2149 |
break;
|
2150 |
case CC_OP_LTGT_32:
|
2151 |
r = cc_calc_ltgt_32(env, src, dst); |
2152 |
break;
|
2153 |
case CC_OP_LTGT_64:
|
2154 |
r = cc_calc_ltgt_64(env, src, dst); |
2155 |
break;
|
2156 |
case CC_OP_LTUGTU_32:
|
2157 |
r = cc_calc_ltugtu_32(env, src, dst); |
2158 |
break;
|
2159 |
case CC_OP_LTUGTU_64:
|
2160 |
r = cc_calc_ltugtu_64(env, src, dst); |
2161 |
break;
|
2162 |
case CC_OP_TM_32:
|
2163 |
r = cc_calc_tm_32(env, src, dst); |
2164 |
break;
|
2165 |
case CC_OP_TM_64:
|
2166 |
r = cc_calc_tm_64(env, src, dst); |
2167 |
break;
|
2168 |
case CC_OP_NZ:
|
2169 |
r = cc_calc_nz(env, dst); |
2170 |
break;
|
2171 |
case CC_OP_ADD_64:
|
2172 |
r = cc_calc_add_64(env, src, dst, vr); |
2173 |
break;
|
2174 |
case CC_OP_ADDU_64:
|
2175 |
r = cc_calc_addu_64(env, src, dst, vr); |
2176 |
break;
|
2177 |
case CC_OP_SUB_64:
|
2178 |
r = cc_calc_sub_64(env, src, dst, vr); |
2179 |
break;
|
2180 |
case CC_OP_SUBU_64:
|
2181 |
r = cc_calc_subu_64(env, src, dst, vr); |
2182 |
break;
|
2183 |
case CC_OP_ABS_64:
|
2184 |
r = cc_calc_abs_64(env, dst); |
2185 |
break;
|
2186 |
case CC_OP_NABS_64:
|
2187 |
r = cc_calc_nabs_64(env, dst); |
2188 |
break;
|
2189 |
case CC_OP_COMP_64:
|
2190 |
r = cc_calc_comp_64(env, dst); |
2191 |
break;
|
2192 |
|
2193 |
case CC_OP_ADD_32:
|
2194 |
r = cc_calc_add_32(env, src, dst, vr); |
2195 |
break;
|
2196 |
case CC_OP_ADDU_32:
|
2197 |
r = cc_calc_addu_32(env, src, dst, vr); |
2198 |
break;
|
2199 |
case CC_OP_SUB_32:
|
2200 |
r = cc_calc_sub_32(env, src, dst, vr); |
2201 |
break;
|
2202 |
case CC_OP_SUBU_32:
|
2203 |
r = cc_calc_subu_32(env, src, dst, vr); |
2204 |
break;
|
2205 |
case CC_OP_ABS_32:
|
2206 |
r = cc_calc_abs_64(env, dst); |
2207 |
break;
|
2208 |
case CC_OP_NABS_32:
|
2209 |
r = cc_calc_nabs_64(env, dst); |
2210 |
break;
|
2211 |
case CC_OP_COMP_32:
|
2212 |
r = cc_calc_comp_32(env, dst); |
2213 |
break;
|
2214 |
|
2215 |
case CC_OP_ICM:
|
2216 |
r = cc_calc_icm_32(env, src, dst); |
2217 |
break;
|
2218 |
case CC_OP_SLAG:
|
2219 |
r = cc_calc_slag(env, src, dst); |
2220 |
break;
|
2221 |
|
2222 |
case CC_OP_LTGT_F32:
|
2223 |
r = set_cc_f32(src, dst); |
2224 |
break;
|
2225 |
case CC_OP_LTGT_F64:
|
2226 |
r = set_cc_f64(src, dst); |
2227 |
break;
|
2228 |
case CC_OP_NZ_F32:
|
2229 |
r = set_cc_nz_f32(dst); |
2230 |
break;
|
2231 |
case CC_OP_NZ_F64:
|
2232 |
r = set_cc_nz_f64(dst); |
2233 |
break;
|
2234 |
|
2235 |
default:
|
2236 |
cpu_abort(env, "Unknown CC operation: %s\n", cc_name(cc_op));
|
2237 |
} |
2238 |
|
2239 |
HELPER_LOG("%s: %15s 0x%016lx 0x%016lx 0x%016lx = %d\n", __FUNCTION__,
|
2240 |
cc_name(cc_op), src, dst, vr, r); |
2241 |
return r;
|
2242 |
} |
2243 |
|
2244 |
uint32_t calc_cc(CPUState *env, uint32_t cc_op, uint64_t src, uint64_t dst, |
2245 |
uint64_t vr) |
2246 |
{ |
2247 |
return do_calc_cc(env, cc_op, src, dst, vr);
|
2248 |
} |
2249 |
|
2250 |
uint32_t HELPER(calc_cc)(uint32_t cc_op, uint64_t src, uint64_t dst, |
2251 |
uint64_t vr) |
2252 |
{ |
2253 |
return do_calc_cc(env, cc_op, src, dst, vr);
|
2254 |
} |
2255 |
|
2256 |
uint64_t HELPER(cvd)(int32_t bin) |
2257 |
{ |
2258 |
/* positive 0 */
|
2259 |
uint64_t dec = 0x0c;
|
2260 |
int shift = 4; |
2261 |
|
2262 |
if (bin < 0) { |
2263 |
bin = -bin; |
2264 |
dec = 0x0d;
|
2265 |
} |
2266 |
|
2267 |
for (shift = 4; (shift < 64) && bin; shift += 4) { |
2268 |
int current_number = bin % 10; |
2269 |
|
2270 |
dec |= (current_number) << shift; |
2271 |
bin /= 10;
|
2272 |
} |
2273 |
|
2274 |
return dec;
|
2275 |
} |
2276 |
|
2277 |
void HELPER(unpk)(uint32_t len, uint64_t dest, uint64_t src)
|
2278 |
{ |
2279 |
int len_dest = len >> 4; |
2280 |
int len_src = len & 0xf; |
2281 |
uint8_t b; |
2282 |
int second_nibble = 0; |
2283 |
|
2284 |
dest += len_dest; |
2285 |
src += len_src; |
2286 |
|
2287 |
/* last byte is special, it only flips the nibbles */
|
2288 |
b = ldub(src); |
2289 |
stb(dest, (b << 4) | (b >> 4)); |
2290 |
src--; |
2291 |
len_src--; |
2292 |
|
2293 |
/* now pad every nibble with 0xf0 */
|
2294 |
|
2295 |
while (len_dest > 0) { |
2296 |
uint8_t cur_byte = 0;
|
2297 |
|
2298 |
if (len_src > 0) { |
2299 |
cur_byte = ldub(src); |
2300 |
} |
2301 |
|
2302 |
len_dest--; |
2303 |
dest--; |
2304 |
|
2305 |
/* only advance one nibble at a time */
|
2306 |
if (second_nibble) {
|
2307 |
cur_byte >>= 4;
|
2308 |
len_src--; |
2309 |
src--; |
2310 |
} |
2311 |
second_nibble = !second_nibble; |
2312 |
|
2313 |
/* digit */
|
2314 |
cur_byte = (cur_byte & 0xf);
|
2315 |
/* zone bits */
|
2316 |
cur_byte |= 0xf0;
|
2317 |
|
2318 |
stb(dest, cur_byte); |
2319 |
} |
2320 |
} |
2321 |
|
2322 |
void HELPER(tr)(uint32_t len, uint64_t array, uint64_t trans)
|
2323 |
{ |
2324 |
int i;
|
2325 |
|
2326 |
for (i = 0; i <= len; i++) { |
2327 |
uint8_t byte = ldub(array + i); |
2328 |
uint8_t new_byte = ldub(trans + byte); |
2329 |
stb(array + i, new_byte); |
2330 |
} |
2331 |
} |
2332 |
|
2333 |
#ifndef CONFIG_USER_ONLY
|
2334 |
|
2335 |
void HELPER(load_psw)(uint64_t mask, uint64_t addr)
|
2336 |
{ |
2337 |
load_psw(env, mask, addr); |
2338 |
cpu_loop_exit(); |
2339 |
} |
2340 |
|
2341 |
static void program_interrupt(CPUState *env, uint32_t code, int ilc) |
2342 |
{ |
2343 |
qemu_log("program interrupt at %#" PRIx64 "\n", env->psw.addr); |
2344 |
|
2345 |
if (kvm_enabled()) {
|
2346 |
kvm_s390_interrupt(env, KVM_S390_PROGRAM_INT, code); |
2347 |
} else {
|
2348 |
env->int_pgm_code = code; |
2349 |
env->int_pgm_ilc = ilc; |
2350 |
env->exception_index = EXCP_PGM; |
2351 |
cpu_loop_exit(); |
2352 |
} |
2353 |
} |
2354 |
|
2355 |
static void ext_interrupt(CPUState *env, int type, uint32_t param, |
2356 |
uint64_t param64) |
2357 |
{ |
2358 |
cpu_inject_ext(env, type, param, param64); |
2359 |
} |
2360 |
|
2361 |
int sclp_service_call(CPUState *env, uint32_t sccb, uint64_t code)
|
2362 |
{ |
2363 |
int r = 0; |
2364 |
|
2365 |
#ifdef DEBUG_HELPER
|
2366 |
printf("sclp(0x%x, 0x%" PRIx64 ")\n", sccb, code); |
2367 |
#endif
|
2368 |
|
2369 |
if (sccb & ~0x7ffffff8ul) { |
2370 |
fprintf(stderr, "KVM: invalid sccb address 0x%x\n", sccb);
|
2371 |
r = -1;
|
2372 |
goto out;
|
2373 |
} |
2374 |
|
2375 |
switch(code) {
|
2376 |
case SCLP_CMDW_READ_SCP_INFO:
|
2377 |
case SCLP_CMDW_READ_SCP_INFO_FORCED:
|
2378 |
stw_phys(sccb + SCP_MEM_CODE, ram_size >> 20);
|
2379 |
stb_phys(sccb + SCP_INCREMENT, 1);
|
2380 |
stw_phys(sccb + SCP_RESPONSE_CODE, 0x10);
|
2381 |
|
2382 |
if (kvm_enabled()) {
|
2383 |
#ifdef CONFIG_KVM
|
2384 |
kvm_s390_interrupt_internal(env, KVM_S390_INT_SERVICE, |
2385 |
sccb & ~3, 0, 1); |
2386 |
#endif
|
2387 |
} else {
|
2388 |
env->psw.addr += 4;
|
2389 |
ext_interrupt(env, EXT_SERVICE, sccb & ~3, 0); |
2390 |
} |
2391 |
break;
|
2392 |
default:
|
2393 |
#ifdef DEBUG_HELPER
|
2394 |
printf("KVM: invalid sclp call 0x%x / 0x%" PRIx64 "x\n", sccb, code); |
2395 |
#endif
|
2396 |
r = -1;
|
2397 |
break;
|
2398 |
} |
2399 |
|
2400 |
out:
|
2401 |
return r;
|
2402 |
} |
2403 |
|
2404 |
/* SCLP service call */
|
2405 |
uint32_t HELPER(servc)(uint32_t r1, uint64_t r2) |
2406 |
{ |
2407 |
if (sclp_service_call(env, r1, r2)) {
|
2408 |
return 3; |
2409 |
} |
2410 |
|
2411 |
return 0; |
2412 |
} |
2413 |
|
2414 |
/* DIAG */
|
2415 |
uint64_t HELPER(diag)(uint32_t num, uint64_t mem, uint64_t code) |
2416 |
{ |
2417 |
uint64_t r; |
2418 |
|
2419 |
switch (num) {
|
2420 |
case 0x500: |
2421 |
/* KVM hypercall */
|
2422 |
r = s390_virtio_hypercall(env, mem, code); |
2423 |
break;
|
2424 |
case 0x44: |
2425 |
/* yield */
|
2426 |
r = 0;
|
2427 |
break;
|
2428 |
case 0x308: |
2429 |
/* ipl */
|
2430 |
r = 0;
|
2431 |
break;
|
2432 |
default:
|
2433 |
r = -1;
|
2434 |
break;
|
2435 |
} |
2436 |
|
2437 |
if (r) {
|
2438 |
program_interrupt(env, PGM_OPERATION, ILC_LATER_INC); |
2439 |
} |
2440 |
|
2441 |
return r;
|
2442 |
} |
2443 |
|
2444 |
/* Store CPU ID */
|
2445 |
void HELPER(stidp)(uint64_t a1)
|
2446 |
{ |
2447 |
stq(a1, env->cpu_num); |
2448 |
} |
2449 |
|
2450 |
/* Set Prefix */
|
2451 |
void HELPER(spx)(uint64_t a1)
|
2452 |
{ |
2453 |
uint32_t prefix; |
2454 |
|
2455 |
prefix = ldl(a1); |
2456 |
env->psa = prefix & 0xfffff000;
|
2457 |
qemu_log("prefix: %#x\n", prefix);
|
2458 |
tlb_flush_page(env, 0);
|
2459 |
tlb_flush_page(env, TARGET_PAGE_SIZE); |
2460 |
} |
2461 |
|
2462 |
/* Set Clock */
|
2463 |
uint32_t HELPER(sck)(uint64_t a1) |
2464 |
{ |
2465 |
/* XXX not implemented - is it necessary? */
|
2466 |
|
2467 |
return 0; |
2468 |
} |
2469 |
|
2470 |
static inline uint64_t clock_value(CPUState *env) |
2471 |
{ |
2472 |
uint64_t time; |
2473 |
|
2474 |
time = env->tod_offset + |
2475 |
time2tod(qemu_get_clock_ns(vm_clock) - env->tod_basetime); |
2476 |
|
2477 |
return time;
|
2478 |
} |
2479 |
|
2480 |
/* Store Clock */
|
2481 |
uint32_t HELPER(stck)(uint64_t a1) |
2482 |
{ |
2483 |
stq(a1, clock_value(env)); |
2484 |
|
2485 |
return 0; |
2486 |
} |
2487 |
|
2488 |
/* Store Clock Extended */
|
2489 |
uint32_t HELPER(stcke)(uint64_t a1) |
2490 |
{ |
2491 |
stb(a1, 0);
|
2492 |
/* basically the same value as stck */
|
2493 |
stq(a1 + 1, clock_value(env) | env->cpu_num);
|
2494 |
/* more fine grained than stck */
|
2495 |
stq(a1 + 9, 0); |
2496 |
/* XXX programmable fields */
|
2497 |
stw(a1 + 17, 0); |
2498 |
|
2499 |
|
2500 |
return 0; |
2501 |
} |
2502 |
|
2503 |
/* Set Clock Comparator */
|
2504 |
void HELPER(sckc)(uint64_t a1)
|
2505 |
{ |
2506 |
uint64_t time = ldq(a1); |
2507 |
|
2508 |
if (time == -1ULL) { |
2509 |
return;
|
2510 |
} |
2511 |
|
2512 |
/* difference between now and then */
|
2513 |
time -= clock_value(env); |
2514 |
/* nanoseconds */
|
2515 |
time = (time * 125) >> 9; |
2516 |
|
2517 |
qemu_mod_timer(env->tod_timer, qemu_get_clock_ns(vm_clock) + time); |
2518 |
} |
2519 |
|
2520 |
/* Store Clock Comparator */
|
2521 |
void HELPER(stckc)(uint64_t a1)
|
2522 |
{ |
2523 |
/* XXX implement */
|
2524 |
stq(a1, 0);
|
2525 |
} |
2526 |
|
2527 |
/* Set CPU Timer */
|
2528 |
void HELPER(spt)(uint64_t a1)
|
2529 |
{ |
2530 |
uint64_t time = ldq(a1); |
2531 |
|
2532 |
if (time == -1ULL) { |
2533 |
return;
|
2534 |
} |
2535 |
|
2536 |
/* nanoseconds */
|
2537 |
time = (time * 125) >> 9; |
2538 |
|
2539 |
qemu_mod_timer(env->cpu_timer, qemu_get_clock_ns(vm_clock) + time); |
2540 |
} |
2541 |
|
2542 |
/* Store CPU Timer */
|
2543 |
void HELPER(stpt)(uint64_t a1)
|
2544 |
{ |
2545 |
/* XXX implement */
|
2546 |
stq(a1, 0);
|
2547 |
} |
2548 |
|
2549 |
/* Store System Information */
|
2550 |
uint32_t HELPER(stsi)(uint64_t a0, uint32_t r0, uint32_t r1) |
2551 |
{ |
2552 |
int cc = 0; |
2553 |
int sel1, sel2;
|
2554 |
|
2555 |
if ((r0 & STSI_LEVEL_MASK) <= STSI_LEVEL_3 &&
|
2556 |
((r0 & STSI_R0_RESERVED_MASK) || (r1 & STSI_R1_RESERVED_MASK))) { |
2557 |
/* valid function code, invalid reserved bits */
|
2558 |
program_interrupt(env, PGM_SPECIFICATION, 2);
|
2559 |
} |
2560 |
|
2561 |
sel1 = r0 & STSI_R0_SEL1_MASK; |
2562 |
sel2 = r1 & STSI_R1_SEL2_MASK; |
2563 |
|
2564 |
/* XXX: spec exception if sysib is not 4k-aligned */
|
2565 |
|
2566 |
switch (r0 & STSI_LEVEL_MASK) {
|
2567 |
case STSI_LEVEL_1:
|
2568 |
if ((sel1 == 1) && (sel2 == 1)) { |
2569 |
/* Basic Machine Configuration */
|
2570 |
struct sysib_111 sysib;
|
2571 |
|
2572 |
memset(&sysib, 0, sizeof(sysib)); |
2573 |
ebcdic_put(sysib.manuf, "QEMU ", 16); |
2574 |
/* same as machine type number in STORE CPU ID */
|
2575 |
ebcdic_put(sysib.type, "QEMU", 4); |
2576 |
/* same as model number in STORE CPU ID */
|
2577 |
ebcdic_put(sysib.model, "QEMU ", 16); |
2578 |
ebcdic_put(sysib.sequence, "QEMU ", 16); |
2579 |
ebcdic_put(sysib.plant, "QEMU", 4); |
2580 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
2581 |
} else if ((sel1 == 2) && (sel2 == 1)) { |
2582 |
/* Basic Machine CPU */
|
2583 |
struct sysib_121 sysib;
|
2584 |
|
2585 |
memset(&sysib, 0, sizeof(sysib)); |
2586 |
/* XXX make different for different CPUs? */
|
2587 |
ebcdic_put(sysib.sequence, "QEMUQEMUQEMUQEMU", 16); |
2588 |
ebcdic_put(sysib.plant, "QEMU", 4); |
2589 |
stw_p(&sysib.cpu_addr, env->cpu_num); |
2590 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
2591 |
} else if ((sel1 == 2) && (sel2 == 2)) { |
2592 |
/* Basic Machine CPUs */
|
2593 |
struct sysib_122 sysib;
|
2594 |
|
2595 |
memset(&sysib, 0, sizeof(sysib)); |
2596 |
stl_p(&sysib.capability, 0x443afc29);
|
2597 |
/* XXX change when SMP comes */
|
2598 |
stw_p(&sysib.total_cpus, 1);
|
2599 |
stw_p(&sysib.active_cpus, 1);
|
2600 |
stw_p(&sysib.standby_cpus, 0);
|
2601 |
stw_p(&sysib.reserved_cpus, 0);
|
2602 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
2603 |
} else {
|
2604 |
cc = 3;
|
2605 |
} |
2606 |
break;
|
2607 |
case STSI_LEVEL_2:
|
2608 |
{ |
2609 |
if ((sel1 == 2) && (sel2 == 1)) { |
2610 |
/* LPAR CPU */
|
2611 |
struct sysib_221 sysib;
|
2612 |
|
2613 |
memset(&sysib, 0, sizeof(sysib)); |
2614 |
/* XXX make different for different CPUs? */
|
2615 |
ebcdic_put(sysib.sequence, "QEMUQEMUQEMUQEMU", 16); |
2616 |
ebcdic_put(sysib.plant, "QEMU", 4); |
2617 |
stw_p(&sysib.cpu_addr, env->cpu_num); |
2618 |
stw_p(&sysib.cpu_id, 0);
|
2619 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
2620 |
} else if ((sel1 == 2) && (sel2 == 2)) { |
2621 |
/* LPAR CPUs */
|
2622 |
struct sysib_222 sysib;
|
2623 |
|
2624 |
memset(&sysib, 0, sizeof(sysib)); |
2625 |
stw_p(&sysib.lpar_num, 0);
|
2626 |
sysib.lcpuc = 0;
|
2627 |
/* XXX change when SMP comes */
|
2628 |
stw_p(&sysib.total_cpus, 1);
|
2629 |
stw_p(&sysib.conf_cpus, 1);
|
2630 |
stw_p(&sysib.standby_cpus, 0);
|
2631 |
stw_p(&sysib.reserved_cpus, 0);
|
2632 |
ebcdic_put(sysib.name, "QEMU ", 8); |
2633 |
stl_p(&sysib.caf, 1000);
|
2634 |
stw_p(&sysib.dedicated_cpus, 0);
|
2635 |
stw_p(&sysib.shared_cpus, 0);
|
2636 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
2637 |
} else {
|
2638 |
cc = 3;
|
2639 |
} |
2640 |
break;
|
2641 |
} |
2642 |
case STSI_LEVEL_3:
|
2643 |
{ |
2644 |
if ((sel1 == 2) && (sel2 == 2)) { |
2645 |
/* VM CPUs */
|
2646 |
struct sysib_322 sysib;
|
2647 |
|
2648 |
memset(&sysib, 0, sizeof(sysib)); |
2649 |
sysib.count = 1;
|
2650 |
/* XXX change when SMP comes */
|
2651 |
stw_p(&sysib.vm[0].total_cpus, 1); |
2652 |
stw_p(&sysib.vm[0].conf_cpus, 1); |
2653 |
stw_p(&sysib.vm[0].standby_cpus, 0); |
2654 |
stw_p(&sysib.vm[0].reserved_cpus, 0); |
2655 |
ebcdic_put(sysib.vm[0].name, "KVMguest", 8); |
2656 |
stl_p(&sysib.vm[0].caf, 1000); |
2657 |
ebcdic_put(sysib.vm[0].cpi, "KVM/Linux ", 16); |
2658 |
cpu_physical_memory_rw(a0, (uint8_t*)&sysib, sizeof(sysib), 1); |
2659 |
} else {
|
2660 |
cc = 3;
|
2661 |
} |
2662 |
break;
|
2663 |
} |
2664 |
case STSI_LEVEL_CURRENT:
|
2665 |
env->regs[0] = STSI_LEVEL_3;
|
2666 |
break;
|
2667 |
default:
|
2668 |
cc = 3;
|
2669 |
break;
|
2670 |
} |
2671 |
|
2672 |
return cc;
|
2673 |
} |
2674 |
|
2675 |
void HELPER(lctlg)(uint32_t r1, uint64_t a2, uint32_t r3)
|
2676 |
{ |
2677 |
int i;
|
2678 |
uint64_t src = a2; |
2679 |
|
2680 |
for (i = r1;; i = (i + 1) % 16) { |
2681 |
env->cregs[i] = ldq(src); |
2682 |
HELPER_LOG("load ctl %d from 0x%" PRIx64 " == 0x%" PRIx64 "\n", |
2683 |
i, src, env->cregs[i]); |
2684 |
src += sizeof(uint64_t);
|
2685 |
|
2686 |
if (i == r3) {
|
2687 |
break;
|
2688 |
} |
2689 |
} |
2690 |
|
2691 |
tlb_flush(env, 1);
|
2692 |
} |
2693 |
|
2694 |
void HELPER(lctl)(uint32_t r1, uint64_t a2, uint32_t r3)
|
2695 |
{ |
2696 |
int i;
|
2697 |
uint64_t src = a2; |
2698 |
|
2699 |
for (i = r1;; i = (i + 1) % 16) { |
2700 |
env->cregs[i] = (env->cregs[i] & 0xFFFFFFFF00000000ULL) | ldl(src);
|
2701 |
src += sizeof(uint32_t);
|
2702 |
|
2703 |
if (i == r3) {
|
2704 |
break;
|
2705 |
} |
2706 |
} |
2707 |
|
2708 |
tlb_flush(env, 1);
|
2709 |
} |
2710 |
|
2711 |
void HELPER(stctg)(uint32_t r1, uint64_t a2, uint32_t r3)
|
2712 |
{ |
2713 |
int i;
|
2714 |
uint64_t dest = a2; |
2715 |
|
2716 |
for (i = r1;; i = (i + 1) % 16) { |
2717 |
stq(dest, env->cregs[i]); |
2718 |
dest += sizeof(uint64_t);
|
2719 |
|
2720 |
if (i == r3) {
|
2721 |
break;
|
2722 |
} |
2723 |
} |
2724 |
} |
2725 |
|
2726 |
void HELPER(stctl)(uint32_t r1, uint64_t a2, uint32_t r3)
|
2727 |
{ |
2728 |
int i;
|
2729 |
uint64_t dest = a2; |
2730 |
|
2731 |
for (i = r1;; i = (i + 1) % 16) { |
2732 |
stl(dest, env->cregs[i]); |
2733 |
dest += sizeof(uint32_t);
|
2734 |
|
2735 |
if (i == r3) {
|
2736 |
break;
|
2737 |
} |
2738 |
} |
2739 |
} |
2740 |
|
2741 |
uint32_t HELPER(tprot)(uint64_t a1, uint64_t a2) |
2742 |
{ |
2743 |
/* XXX implement */
|
2744 |
|
2745 |
return 0; |
2746 |
} |
2747 |
|
2748 |
/* insert storage key extended */
|
2749 |
uint64_t HELPER(iske)(uint64_t r2) |
2750 |
{ |
2751 |
uint64_t addr = get_address(0, 0, r2); |
2752 |
|
2753 |
if (addr > ram_size) {
|
2754 |
return 0; |
2755 |
} |
2756 |
|
2757 |
/* XXX maybe use qemu's internal keys? */
|
2758 |
return env->storage_keys[addr / TARGET_PAGE_SIZE];
|
2759 |
} |
2760 |
|
2761 |
/* set storage key extended */
|
2762 |
void HELPER(sske)(uint32_t r1, uint64_t r2)
|
2763 |
{ |
2764 |
uint64_t addr = get_address(0, 0, r2); |
2765 |
|
2766 |
if (addr > ram_size) {
|
2767 |
return;
|
2768 |
} |
2769 |
|
2770 |
env->storage_keys[addr / TARGET_PAGE_SIZE] = r1; |
2771 |
} |
2772 |
|
2773 |
/* reset reference bit extended */
|
2774 |
uint32_t HELPER(rrbe)(uint32_t r1, uint64_t r2) |
2775 |
{ |
2776 |
if (r2 > ram_size) {
|
2777 |
return 0; |
2778 |
} |
2779 |
|
2780 |
/* XXX implement */
|
2781 |
#if 0
|
2782 |
env->storage_keys[r2 / TARGET_PAGE_SIZE] &= ~SK_REFERENCED;
|
2783 |
#endif
|
2784 |
|
2785 |
/*
|
2786 |
* cc
|
2787 |
*
|
2788 |
* 0 Reference bit zero; change bit zero
|
2789 |
* 1 Reference bit zero; change bit one
|
2790 |
* 2 Reference bit one; change bit zero
|
2791 |
* 3 Reference bit one; change bit one
|
2792 |
*/
|
2793 |
return 0; |
2794 |
} |
2795 |
|
2796 |
/* compare and swap and purge */
|
2797 |
uint32_t HELPER(csp)(uint32_t r1, uint32_t r2) |
2798 |
{ |
2799 |
uint32_t cc; |
2800 |
uint32_t o1 = env->regs[r1]; |
2801 |
uint64_t a2 = get_address_31fix(r2) & ~3ULL;
|
2802 |
uint32_t o2 = ldl(a2); |
2803 |
|
2804 |
if (o1 == o2) {
|
2805 |
stl(a2, env->regs[(r1 + 1) & 15]); |
2806 |
if (env->regs[r2] & 0x3) { |
2807 |
/* flush TLB / ALB */
|
2808 |
tlb_flush(env, 1);
|
2809 |
} |
2810 |
cc = 0;
|
2811 |
} else {
|
2812 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | o2;
|
2813 |
cc = 1;
|
2814 |
} |
2815 |
|
2816 |
return cc;
|
2817 |
} |
2818 |
|
2819 |
static uint32_t mvc_asc(int64_t l, uint64_t a1, uint64_t mode1, uint64_t a2,
|
2820 |
uint64_t mode2) |
2821 |
{ |
2822 |
target_ulong src, dest; |
2823 |
int flags, cc = 0, i; |
2824 |
|
2825 |
if (!l) {
|
2826 |
return 0; |
2827 |
} else if (l > 256) { |
2828 |
/* max 256 */
|
2829 |
l = 256;
|
2830 |
cc = 3;
|
2831 |
} |
2832 |
|
2833 |
if (mmu_translate(env, a1 & TARGET_PAGE_MASK, 1, mode1, &dest, &flags)) { |
2834 |
cpu_loop_exit(); |
2835 |
} |
2836 |
dest |= a1 & ~TARGET_PAGE_MASK; |
2837 |
|
2838 |
if (mmu_translate(env, a2 & TARGET_PAGE_MASK, 0, mode2, &src, &flags)) { |
2839 |
cpu_loop_exit(); |
2840 |
} |
2841 |
src |= a2 & ~TARGET_PAGE_MASK; |
2842 |
|
2843 |
/* XXX replace w/ memcpy */
|
2844 |
for (i = 0; i < l; i++) { |
2845 |
/* XXX be more clever */
|
2846 |
if ((((dest + i) & TARGET_PAGE_MASK) != (dest & TARGET_PAGE_MASK)) ||
|
2847 |
(((src + i) & TARGET_PAGE_MASK) != (src & TARGET_PAGE_MASK))) { |
2848 |
mvc_asc(l - i, a1 + i, mode1, a2 + i, mode2); |
2849 |
break;
|
2850 |
} |
2851 |
stb_phys(dest + i, ldub_phys(src + i)); |
2852 |
} |
2853 |
|
2854 |
return cc;
|
2855 |
} |
2856 |
|
2857 |
uint32_t HELPER(mvcs)(uint64_t l, uint64_t a1, uint64_t a2) |
2858 |
{ |
2859 |
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n", |
2860 |
__FUNCTION__, l, a1, a2); |
2861 |
|
2862 |
return mvc_asc(l, a1, PSW_ASC_SECONDARY, a2, PSW_ASC_PRIMARY);
|
2863 |
} |
2864 |
|
2865 |
uint32_t HELPER(mvcp)(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_PRIMARY, a2, PSW_ASC_SECONDARY);
|
2871 |
} |
2872 |
|
2873 |
uint32_t HELPER(sigp)(uint64_t order_code, uint32_t r1, uint64_t cpu_addr) |
2874 |
{ |
2875 |
int cc = 0; |
2876 |
|
2877 |
HELPER_LOG("%s: %016" PRIx64 " %08x %016" PRIx64 "\n", |
2878 |
__FUNCTION__, order_code, r1, cpu_addr); |
2879 |
|
2880 |
/* Remember: Use "R1 or R1+1, whichever is the odd-numbered register"
|
2881 |
as parameter (input). Status (output) is always R1. */
|
2882 |
|
2883 |
switch (order_code) {
|
2884 |
case SIGP_SET_ARCH:
|
2885 |
/* switch arch */
|
2886 |
break;
|
2887 |
case SIGP_SENSE:
|
2888 |
/* enumerate CPU status */
|
2889 |
if (cpu_addr) {
|
2890 |
/* XXX implement when SMP comes */
|
2891 |
return 3; |
2892 |
} |
2893 |
env->regs[r1] &= 0xffffffff00000000ULL;
|
2894 |
cc = 1;
|
2895 |
break;
|
2896 |
default:
|
2897 |
/* unknown sigp */
|
2898 |
fprintf(stderr, "XXX unknown sigp: 0x%" PRIx64 "\n", order_code); |
2899 |
cc = 3;
|
2900 |
} |
2901 |
|
2902 |
return cc;
|
2903 |
} |
2904 |
|
2905 |
void HELPER(sacf)(uint64_t a1)
|
2906 |
{ |
2907 |
HELPER_LOG("%s: %16" PRIx64 "\n", __FUNCTION__, a1); |
2908 |
|
2909 |
switch (a1 & 0xf00) { |
2910 |
case 0x000: |
2911 |
env->psw.mask &= ~PSW_MASK_ASC; |
2912 |
env->psw.mask |= PSW_ASC_PRIMARY; |
2913 |
break;
|
2914 |
case 0x100: |
2915 |
env->psw.mask &= ~PSW_MASK_ASC; |
2916 |
env->psw.mask |= PSW_ASC_SECONDARY; |
2917 |
break;
|
2918 |
case 0x300: |
2919 |
env->psw.mask &= ~PSW_MASK_ASC; |
2920 |
env->psw.mask |= PSW_ASC_HOME; |
2921 |
break;
|
2922 |
default:
|
2923 |
qemu_log("unknown sacf mode: %" PRIx64 "\n", a1); |
2924 |
program_interrupt(env, PGM_SPECIFICATION, 2);
|
2925 |
break;
|
2926 |
} |
2927 |
} |
2928 |
|
2929 |
/* invalidate pte */
|
2930 |
void HELPER(ipte)(uint64_t pte_addr, uint64_t vaddr)
|
2931 |
{ |
2932 |
uint64_t page = vaddr & TARGET_PAGE_MASK; |
2933 |
uint64_t pte = 0;
|
2934 |
|
2935 |
/* XXX broadcast to other CPUs */
|
2936 |
|
2937 |
/* XXX Linux is nice enough to give us the exact pte address.
|
2938 |
According to spec we'd have to find it out ourselves */
|
2939 |
/* XXX Linux is fine with overwriting the pte, the spec requires
|
2940 |
us to only set the invalid bit */
|
2941 |
stq_phys(pte_addr, pte | _PAGE_INVALID); |
2942 |
|
2943 |
/* XXX we exploit the fact that Linux passes the exact virtual
|
2944 |
address here - it's not obliged to! */
|
2945 |
tlb_flush_page(env, page); |
2946 |
} |
2947 |
|
2948 |
/* flush local tlb */
|
2949 |
void HELPER(ptlb)(void) |
2950 |
{ |
2951 |
tlb_flush(env, 1);
|
2952 |
} |
2953 |
|
2954 |
/* store using real address */
|
2955 |
void HELPER(stura)(uint64_t addr, uint32_t v1)
|
2956 |
{ |
2957 |
stw_phys(get_address(0, 0, addr), v1); |
2958 |
} |
2959 |
|
2960 |
/* load real address */
|
2961 |
uint32_t HELPER(lra)(uint64_t addr, uint32_t r1) |
2962 |
{ |
2963 |
uint32_t cc = 0;
|
2964 |
int old_exc = env->exception_index;
|
2965 |
uint64_t asc = env->psw.mask & PSW_MASK_ASC; |
2966 |
uint64_t ret; |
2967 |
int flags;
|
2968 |
|
2969 |
/* XXX incomplete - has more corner cases */
|
2970 |
if (!(env->psw.mask & PSW_MASK_64) && (addr >> 32)) { |
2971 |
program_interrupt(env, PGM_SPECIAL_OP, 2);
|
2972 |
} |
2973 |
|
2974 |
env->exception_index = old_exc; |
2975 |
if (mmu_translate(env, addr, 0, asc, &ret, &flags)) { |
2976 |
cc = 3;
|
2977 |
} |
2978 |
if (env->exception_index == EXCP_PGM) {
|
2979 |
ret = env->int_pgm_code | 0x80000000;
|
2980 |
} else {
|
2981 |
ret |= addr & ~TARGET_PAGE_MASK; |
2982 |
} |
2983 |
env->exception_index = old_exc; |
2984 |
|
2985 |
if (!(env->psw.mask & PSW_MASK_64)) {
|
2986 |
env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | (ret & 0xffffffffULL); |
2987 |
} else {
|
2988 |
env->regs[r1] = ret; |
2989 |
} |
2990 |
|
2991 |
return cc;
|
2992 |
} |
2993 |
|
2994 |
#endif
|