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| 1 | b82945bc | j_mayer | /*
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| 2 | b82945bc | j_mayer | * Alpha emulation - PALcode emulation for qemu.
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| 3 | 5fafdf24 | ths | *
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| 4 | b82945bc | j_mayer | * Copyright (c) 2007 Jocelyn Mayer
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| 5 | b82945bc | j_mayer | *
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| 6 | b82945bc | j_mayer | * This library is free software; you can redistribute it and/or
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| 7 | b82945bc | j_mayer | * modify it under the terms of the GNU Lesser General Public
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| 8 | b82945bc | j_mayer | * License as published by the Free Software Foundation; either
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| 9 | b82945bc | j_mayer | * version 2 of the License, or (at your option) any later version.
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| 10 | b82945bc | j_mayer | *
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| 11 | b82945bc | j_mayer | * This library is distributed in the hope that it will be useful,
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| 12 | b82945bc | j_mayer | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | b82945bc | j_mayer | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 14 | b82945bc | j_mayer | * Lesser General Public License for more details.
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| 15 | b82945bc | j_mayer | *
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| 16 | b82945bc | j_mayer | * You should have received a copy of the GNU Lesser General Public
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| 17 | 8167ee88 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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| 18 | b82945bc | j_mayer | */
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| 19 | b82945bc | j_mayer | |
| 20 | b82945bc | j_mayer | #include <stdint.h> |
| 21 | b82945bc | j_mayer | #include <stdlib.h> |
| 22 | b82945bc | j_mayer | #include <stdio.h> |
| 23 | b82945bc | j_mayer | |
| 24 | b82945bc | j_mayer | #include "qemu.h" |
| 25 | b82945bc | j_mayer | #include "cpu.h" |
| 26 | b82945bc | j_mayer | #include "exec-all.h" |
| 27 | b82945bc | j_mayer | |
| 28 | b82945bc | j_mayer | #if !defined (CONFIG_USER_ONLY)
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| 29 | b82945bc | j_mayer | /* Shared handlers */
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| 30 | b82945bc | j_mayer | static void pal_reset (CPUState *env); |
| 31 | b82945bc | j_mayer | /* Console handlers */
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| 32 | b82945bc | j_mayer | static void pal_console_call (CPUState *env, uint32_t palcode); |
| 33 | b82945bc | j_mayer | /* OpenVMS handlers */
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| 34 | b82945bc | j_mayer | static void pal_openvms_call (CPUState *env, uint32_t palcode); |
| 35 | b82945bc | j_mayer | /* UNIX / Linux handlers */
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| 36 | b82945bc | j_mayer | static void pal_unix_call (CPUState *env, uint32_t palcode); |
| 37 | b82945bc | j_mayer | |
| 38 | b82945bc | j_mayer | pal_handler_t pal_handlers[] = {
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| 39 | b82945bc | j_mayer | /* Console handler */
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| 40 | b82945bc | j_mayer | {
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| 41 | b82945bc | j_mayer | .reset = &pal_reset, |
| 42 | b82945bc | j_mayer | .call_pal = &pal_console_call, |
| 43 | b82945bc | j_mayer | }, |
| 44 | b82945bc | j_mayer | /* OpenVMS handler */
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| 45 | b82945bc | j_mayer | {
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| 46 | b82945bc | j_mayer | .reset = &pal_reset, |
| 47 | b82945bc | j_mayer | .call_pal = &pal_openvms_call, |
| 48 | b82945bc | j_mayer | }, |
| 49 | b82945bc | j_mayer | /* UNIX / Linux handler */
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| 50 | b82945bc | j_mayer | {
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| 51 | b82945bc | j_mayer | .reset = &pal_reset, |
| 52 | b82945bc | j_mayer | .call_pal = &pal_unix_call, |
| 53 | b82945bc | j_mayer | }, |
| 54 | b82945bc | j_mayer | }; |
| 55 | b82945bc | j_mayer | |
| 56 | b82945bc | j_mayer | #if 0
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| 57 | 1235fc06 | ths | /* One must explicitly check that the TB is valid and the FOE bit is reset */
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| 58 | 3f47aa8c | blueswir1 | static void update_itb (void)
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| 59 | b82945bc | j_mayer | {
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| 60 | b82945bc | j_mayer | /* This writes into a temp register, not the actual one */
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| 61 | b82945bc | j_mayer | mtpr(TB_TAG);
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| 62 | b82945bc | j_mayer | mtpr(TB_CTL);
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| 63 | b82945bc | j_mayer | /* This commits the TB update */
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| 64 | 5fafdf24 | ths | mtpr(ITB_PTE);
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| 65 | b82945bc | j_mayer | }
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| 66 | b82945bc | j_mayer | |
| 67 | 3f47aa8c | blueswir1 | static void update_dtb (void);
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| 68 | b82945bc | j_mayer | {
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| 69 | b82945bc | j_mayer | mtpr(TB_CTL);
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| 70 | b82945bc | j_mayer | /* This write into a temp register, not the actual one */
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| 71 | b82945bc | j_mayer | mtpr(TB_TAG);
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| 72 | b82945bc | j_mayer | /* This commits the TB update */
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| 73 | b82945bc | j_mayer | mtpr(DTB_PTE);
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| 74 | b82945bc | j_mayer | }
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| 75 | b82945bc | j_mayer | #endif
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| 76 | b82945bc | j_mayer | |
| 77 | b82945bc | j_mayer | static void pal_reset (CPUState *env) |
| 78 | b82945bc | j_mayer | {
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| 79 | b82945bc | j_mayer | } |
| 80 | b82945bc | j_mayer | |
| 81 | b82945bc | j_mayer | static void do_swappal (CPUState *env, uint64_t palid) |
| 82 | b82945bc | j_mayer | {
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| 83 | b82945bc | j_mayer | pal_handler_t *pal_handler; |
| 84 | b82945bc | j_mayer | int status;
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| 85 | b82945bc | j_mayer | |
| 86 | b82945bc | j_mayer | status = 0;
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| 87 | b82945bc | j_mayer | switch (palid) {
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| 88 | b82945bc | j_mayer | case 0 ... 2: |
| 89 | b82945bc | j_mayer | pal_handler = &pal_handlers[palid]; |
| 90 | b82945bc | j_mayer | env->pal_handler = pal_handler; |
| 91 | b82945bc | j_mayer | env->ipr[IPR_PAL_BASE] = -1ULL;
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| 92 | b82945bc | j_mayer | (*pal_handler->reset)(env); |
| 93 | b82945bc | j_mayer | break;
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| 94 | b82945bc | j_mayer | case 3 ... 255: |
| 95 | b82945bc | j_mayer | /* Unknown identifier */
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| 96 | b82945bc | j_mayer | env->ir[0] = 1; |
| 97 | b82945bc | j_mayer | return;
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| 98 | b82945bc | j_mayer | default:
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| 99 | b82945bc | j_mayer | /* We were given the entry point address */
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| 100 | b82945bc | j_mayer | env->pal_handler = NULL;
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| 101 | b82945bc | j_mayer | env->ipr[IPR_PAL_BASE] = palid; |
| 102 | b82945bc | j_mayer | env->pc = env->ipr[IPR_PAL_BASE]; |
| 103 | b82945bc | j_mayer | cpu_loop_exit(); |
| 104 | b82945bc | j_mayer | } |
| 105 | b82945bc | j_mayer | } |
| 106 | b82945bc | j_mayer | |
| 107 | b82945bc | j_mayer | static void pal_console_call (CPUState *env, uint32_t palcode) |
| 108 | b82945bc | j_mayer | {
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| 109 | b82945bc | j_mayer | uint64_t palid; |
| 110 | b82945bc | j_mayer | |
| 111 | b82945bc | j_mayer | if (palcode < 0x00000080) { |
| 112 | b82945bc | j_mayer | /* Privileged palcodes */
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| 113 | b82945bc | j_mayer | if (!(env->ps >> 3)) { |
| 114 | b82945bc | j_mayer | /* TODO: generate privilege exception */
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| 115 | b82945bc | j_mayer | } |
| 116 | b82945bc | j_mayer | } |
| 117 | b82945bc | j_mayer | switch (palcode) {
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| 118 | b82945bc | j_mayer | case 0x00000000: |
| 119 | b82945bc | j_mayer | /* HALT */
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| 120 | b82945bc | j_mayer | /* REQUIRED */
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| 121 | b82945bc | j_mayer | break;
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| 122 | b82945bc | j_mayer | case 0x00000001: |
| 123 | b82945bc | j_mayer | /* CFLUSH */
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| 124 | b82945bc | j_mayer | break;
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| 125 | b82945bc | j_mayer | case 0x00000002: |
| 126 | b82945bc | j_mayer | /* DRAINA */
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| 127 | b82945bc | j_mayer | /* REQUIRED */
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| 128 | b82945bc | j_mayer | /* Implemented as no-op */
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| 129 | b82945bc | j_mayer | break;
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| 130 | b82945bc | j_mayer | case 0x00000009: |
| 131 | b82945bc | j_mayer | /* CSERVE */
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| 132 | b82945bc | j_mayer | /* REQUIRED */
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| 133 | b82945bc | j_mayer | break;
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| 134 | b82945bc | j_mayer | case 0x0000000A: |
| 135 | b82945bc | j_mayer | /* SWPPAL */
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| 136 | b82945bc | j_mayer | /* REQUIRED */
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| 137 | b82945bc | j_mayer | palid = env->ir[16];
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| 138 | b82945bc | j_mayer | do_swappal(env, palid); |
| 139 | b82945bc | j_mayer | break;
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| 140 | b82945bc | j_mayer | case 0x00000080: |
| 141 | b82945bc | j_mayer | /* BPT */
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| 142 | b82945bc | j_mayer | /* REQUIRED */
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| 143 | b82945bc | j_mayer | break;
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| 144 | b82945bc | j_mayer | case 0x00000081: |
| 145 | b82945bc | j_mayer | /* BUGCHK */
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| 146 | b82945bc | j_mayer | /* REQUIRED */
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| 147 | b82945bc | j_mayer | break;
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| 148 | b82945bc | j_mayer | case 0x00000086: |
| 149 | b82945bc | j_mayer | /* IMB */
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| 150 | b82945bc | j_mayer | /* REQUIRED */
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| 151 | b82945bc | j_mayer | /* Implemented as no-op */
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| 152 | b82945bc | j_mayer | break;
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| 153 | b82945bc | j_mayer | case 0x0000009E: |
| 154 | b82945bc | j_mayer | /* RDUNIQUE */
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| 155 | b82945bc | j_mayer | /* REQUIRED */
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| 156 | b82945bc | j_mayer | break;
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| 157 | b82945bc | j_mayer | case 0x0000009F: |
| 158 | b82945bc | j_mayer | /* WRUNIQUE */
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| 159 | b82945bc | j_mayer | /* REQUIRED */
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| 160 | b82945bc | j_mayer | break;
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| 161 | b82945bc | j_mayer | case 0x000000AA: |
| 162 | b82945bc | j_mayer | /* GENTRAP */
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| 163 | b82945bc | j_mayer | /* REQUIRED */
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| 164 | b82945bc | j_mayer | break;
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| 165 | b82945bc | j_mayer | default:
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| 166 | b82945bc | j_mayer | break;
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| 167 | b82945bc | j_mayer | } |
| 168 | b82945bc | j_mayer | } |
| 169 | b82945bc | j_mayer | |
| 170 | b82945bc | j_mayer | static void pal_openvms_call (CPUState *env, uint32_t palcode) |
| 171 | b82945bc | j_mayer | {
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| 172 | b82945bc | j_mayer | uint64_t palid, val, oldval; |
| 173 | b82945bc | j_mayer | |
| 174 | b82945bc | j_mayer | if (palcode < 0x00000080) { |
| 175 | b82945bc | j_mayer | /* Privileged palcodes */
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| 176 | b82945bc | j_mayer | if (!(env->ps >> 3)) { |
| 177 | b82945bc | j_mayer | /* TODO: generate privilege exception */
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| 178 | b82945bc | j_mayer | } |
| 179 | b82945bc | j_mayer | } |
| 180 | b82945bc | j_mayer | switch (palcode) {
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| 181 | b82945bc | j_mayer | case 0x00000000: |
| 182 | b82945bc | j_mayer | /* HALT */
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| 183 | b82945bc | j_mayer | /* REQUIRED */
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| 184 | b82945bc | j_mayer | break;
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| 185 | b82945bc | j_mayer | case 0x00000001: |
| 186 | b82945bc | j_mayer | /* CFLUSH */
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| 187 | b82945bc | j_mayer | break;
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| 188 | b82945bc | j_mayer | case 0x00000002: |
| 189 | b82945bc | j_mayer | /* DRAINA */
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| 190 | b82945bc | j_mayer | /* REQUIRED */
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| 191 | b82945bc | j_mayer | /* Implemented as no-op */
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| 192 | b82945bc | j_mayer | break;
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| 193 | b82945bc | j_mayer | case 0x00000003: |
| 194 | b82945bc | j_mayer | /* LDQP */
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| 195 | b82945bc | j_mayer | break;
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| 196 | b82945bc | j_mayer | case 0x00000004: |
| 197 | b82945bc | j_mayer | /* STQP */
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| 198 | b82945bc | j_mayer | break;
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| 199 | b82945bc | j_mayer | case 0x00000005: |
| 200 | b82945bc | j_mayer | /* SWPCTX */
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| 201 | b82945bc | j_mayer | break;
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| 202 | b82945bc | j_mayer | case 0x00000006: |
| 203 | b82945bc | j_mayer | /* MFPR_ASN */
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| 204 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ASN, &val) == 0) |
| 205 | b82945bc | j_mayer | env->ir[0] = val;
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| 206 | b82945bc | j_mayer | break;
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| 207 | b82945bc | j_mayer | case 0x00000007: |
| 208 | b82945bc | j_mayer | /* MTPR_ASTEN */
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| 209 | b82945bc | j_mayer | val = env->ir[16];
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| 210 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_ASTEN, val, &oldval) == 1) |
| 211 | b82945bc | j_mayer | env->ir[0] = val;
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| 212 | b82945bc | j_mayer | break;
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| 213 | b82945bc | j_mayer | case 0x00000008: |
| 214 | b82945bc | j_mayer | /* MTPR_ASTSR */
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| 215 | b82945bc | j_mayer | val = env->ir[16];
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| 216 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_ASTSR, val, &oldval) == 1) |
| 217 | b82945bc | j_mayer | env->ir[0] = val;
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| 218 | b82945bc | j_mayer | break;
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| 219 | b82945bc | j_mayer | case 0x00000009: |
| 220 | b82945bc | j_mayer | /* CSERVE */
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| 221 | b82945bc | j_mayer | /* REQUIRED */
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| 222 | b82945bc | j_mayer | break;
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| 223 | b82945bc | j_mayer | case 0x0000000A: |
| 224 | b82945bc | j_mayer | /* SWPPAL */
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| 225 | b82945bc | j_mayer | /* REQUIRED */
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| 226 | b82945bc | j_mayer | palid = env->ir[16];
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| 227 | b82945bc | j_mayer | do_swappal(env, palid); |
| 228 | b82945bc | j_mayer | break;
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| 229 | b82945bc | j_mayer | case 0x0000000B: |
| 230 | b82945bc | j_mayer | /* MFPR_FEN */
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| 231 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_FEN, &val) == 0) |
| 232 | b82945bc | j_mayer | env->ir[0] = val;
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| 233 | b82945bc | j_mayer | break;
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| 234 | b82945bc | j_mayer | case 0x0000000C: |
| 235 | b82945bc | j_mayer | /* MTPR_FEN */
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| 236 | b82945bc | j_mayer | val = env->ir[16];
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| 237 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_FEN, val, &oldval) == 1) |
| 238 | b82945bc | j_mayer | env->ir[0] = val;
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| 239 | b82945bc | j_mayer | break;
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| 240 | b82945bc | j_mayer | case 0x0000000D: |
| 241 | b82945bc | j_mayer | /* MTPR_IPIR */
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| 242 | b82945bc | j_mayer | val = env->ir[16];
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| 243 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_IPIR, val, &oldval) == 1) |
| 244 | b82945bc | j_mayer | env->ir[0] = val;
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| 245 | b82945bc | j_mayer | break;
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| 246 | b82945bc | j_mayer | case 0x0000000E: |
| 247 | b82945bc | j_mayer | /* MFPR_IPL */
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| 248 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_IPL, &val) == 0) |
| 249 | b82945bc | j_mayer | env->ir[0] = val;
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| 250 | b82945bc | j_mayer | break;
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| 251 | b82945bc | j_mayer | case 0x0000000F: |
| 252 | b82945bc | j_mayer | /* MTPR_IPL */
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| 253 | b82945bc | j_mayer | val = env->ir[16];
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| 254 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_IPL, val, &oldval) == 1) |
| 255 | b82945bc | j_mayer | env->ir[0] = val;
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| 256 | b82945bc | j_mayer | break;
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| 257 | b82945bc | j_mayer | case 0x00000010: |
| 258 | b82945bc | j_mayer | /* MFPR_MCES */
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| 259 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_MCES, &val) == 0) |
| 260 | b82945bc | j_mayer | env->ir[0] = val;
|
| 261 | b82945bc | j_mayer | break;
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| 262 | b82945bc | j_mayer | case 0x00000011: |
| 263 | b82945bc | j_mayer | /* MTPR_MCES */
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| 264 | b82945bc | j_mayer | val = env->ir[16];
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| 265 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_MCES, val, &oldval) == 1) |
| 266 | b82945bc | j_mayer | env->ir[0] = val;
|
| 267 | b82945bc | j_mayer | break;
|
| 268 | b82945bc | j_mayer | case 0x00000012: |
| 269 | b82945bc | j_mayer | /* MFPR_PCBB */
|
| 270 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_PCBB, &val) == 0) |
| 271 | b82945bc | j_mayer | env->ir[0] = val;
|
| 272 | b82945bc | j_mayer | break;
|
| 273 | b82945bc | j_mayer | case 0x00000013: |
| 274 | b82945bc | j_mayer | /* MFPR_PRBR */
|
| 275 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_PRBR, &val) == 0) |
| 276 | b82945bc | j_mayer | env->ir[0] = val;
|
| 277 | b82945bc | j_mayer | break;
|
| 278 | b82945bc | j_mayer | case 0x00000014: |
| 279 | b82945bc | j_mayer | /* MTPR_PRBR */
|
| 280 | b82945bc | j_mayer | val = env->ir[16];
|
| 281 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PRBR, val, &oldval) == 1) |
| 282 | b82945bc | j_mayer | env->ir[0] = val;
|
| 283 | b82945bc | j_mayer | break;
|
| 284 | b82945bc | j_mayer | case 0x00000015: |
| 285 | b82945bc | j_mayer | /* MFPR_PTBR */
|
| 286 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_PTBR, &val) == 0) |
| 287 | b82945bc | j_mayer | env->ir[0] = val;
|
| 288 | b82945bc | j_mayer | break;
|
| 289 | b82945bc | j_mayer | case 0x00000016: |
| 290 | b82945bc | j_mayer | /* MFPR_SCBB */
|
| 291 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_SCBB, &val) == 0) |
| 292 | b82945bc | j_mayer | env->ir[0] = val;
|
| 293 | b82945bc | j_mayer | break;
|
| 294 | b82945bc | j_mayer | case 0x00000017: |
| 295 | b82945bc | j_mayer | /* MTPR_SCBB */
|
| 296 | b82945bc | j_mayer | val = env->ir[16];
|
| 297 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_SCBB, val, &oldval) == 1) |
| 298 | b82945bc | j_mayer | env->ir[0] = val;
|
| 299 | b82945bc | j_mayer | break;
|
| 300 | b82945bc | j_mayer | case 0x00000018: |
| 301 | b82945bc | j_mayer | /* MTPR_SIRR */
|
| 302 | b82945bc | j_mayer | val = env->ir[16];
|
| 303 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_SIRR, val, &oldval) == 1) |
| 304 | b82945bc | j_mayer | env->ir[0] = val;
|
| 305 | b82945bc | j_mayer | break;
|
| 306 | b82945bc | j_mayer | case 0x00000019: |
| 307 | b82945bc | j_mayer | /* MFPR_SISR */
|
| 308 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_SISR, &val) == 0) |
| 309 | b82945bc | j_mayer | env->ir[0] = val;
|
| 310 | b82945bc | j_mayer | break;
|
| 311 | b82945bc | j_mayer | case 0x0000001A: |
| 312 | b82945bc | j_mayer | /* MFPR_TBCHK */
|
| 313 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_TBCHK, &val) == 0) |
| 314 | b82945bc | j_mayer | env->ir[0] = val;
|
| 315 | b82945bc | j_mayer | break;
|
| 316 | b82945bc | j_mayer | case 0x0000001B: |
| 317 | b82945bc | j_mayer | /* MTPR_TBIA */
|
| 318 | b82945bc | j_mayer | val = env->ir[16];
|
| 319 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIA, val, &oldval) == 1) |
| 320 | b82945bc | j_mayer | env->ir[0] = val;
|
| 321 | b82945bc | j_mayer | break;
|
| 322 | b82945bc | j_mayer | case 0x0000001C: |
| 323 | b82945bc | j_mayer | /* MTPR_TBIAP */
|
| 324 | b82945bc | j_mayer | val = env->ir[16];
|
| 325 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIAP, val, &oldval) == 1) |
| 326 | b82945bc | j_mayer | env->ir[0] = val;
|
| 327 | b82945bc | j_mayer | break;
|
| 328 | b82945bc | j_mayer | case 0x0000001D: |
| 329 | b82945bc | j_mayer | /* MTPR_TBIS */
|
| 330 | b82945bc | j_mayer | val = env->ir[16];
|
| 331 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIS, val, &oldval) == 1) |
| 332 | b82945bc | j_mayer | env->ir[0] = val;
|
| 333 | b82945bc | j_mayer | break;
|
| 334 | b82945bc | j_mayer | case 0x0000001E: |
| 335 | b82945bc | j_mayer | /* MFPR_ESP */
|
| 336 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ESP, &val) == 0) |
| 337 | b82945bc | j_mayer | env->ir[0] = val;
|
| 338 | b82945bc | j_mayer | break;
|
| 339 | b82945bc | j_mayer | case 0x0000001F: |
| 340 | b82945bc | j_mayer | /* MTPR_ESP */
|
| 341 | b82945bc | j_mayer | val = env->ir[16];
|
| 342 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_ESP, val, &oldval) == 1) |
| 343 | b82945bc | j_mayer | env->ir[0] = val;
|
| 344 | b82945bc | j_mayer | break;
|
| 345 | b82945bc | j_mayer | case 0x00000020: |
| 346 | b82945bc | j_mayer | /* MFPR_SSP */
|
| 347 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_SSP, &val) == 0) |
| 348 | b82945bc | j_mayer | env->ir[0] = val;
|
| 349 | b82945bc | j_mayer | break;
|
| 350 | b82945bc | j_mayer | case 0x00000021: |
| 351 | b82945bc | j_mayer | /* MTPR_SSP */
|
| 352 | b82945bc | j_mayer | val = env->ir[16];
|
| 353 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_SSP, val, &oldval) == 1) |
| 354 | b82945bc | j_mayer | env->ir[0] = val;
|
| 355 | b82945bc | j_mayer | break;
|
| 356 | b82945bc | j_mayer | case 0x00000022: |
| 357 | b82945bc | j_mayer | /* MFPR_USP */
|
| 358 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_USP, &val) == 0) |
| 359 | b82945bc | j_mayer | env->ir[0] = val;
|
| 360 | b82945bc | j_mayer | break;
|
| 361 | b82945bc | j_mayer | case 0x00000023: |
| 362 | b82945bc | j_mayer | /* MTPR_USP */
|
| 363 | b82945bc | j_mayer | val = env->ir[16];
|
| 364 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_USP, val, &oldval) == 1) |
| 365 | b82945bc | j_mayer | env->ir[0] = val;
|
| 366 | b82945bc | j_mayer | break;
|
| 367 | b82945bc | j_mayer | case 0x00000024: |
| 368 | b82945bc | j_mayer | /* MTPR_TBISD */
|
| 369 | b82945bc | j_mayer | val = env->ir[16];
|
| 370 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBISD, val, &oldval) == 1) |
| 371 | b82945bc | j_mayer | env->ir[0] = val;
|
| 372 | b82945bc | j_mayer | break;
|
| 373 | b82945bc | j_mayer | case 0x00000025: |
| 374 | b82945bc | j_mayer | /* MTPR_TBISI */
|
| 375 | b82945bc | j_mayer | val = env->ir[16];
|
| 376 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBISI, val, &oldval) == 1) |
| 377 | b82945bc | j_mayer | env->ir[0] = val;
|
| 378 | b82945bc | j_mayer | break;
|
| 379 | b82945bc | j_mayer | case 0x00000026: |
| 380 | b82945bc | j_mayer | /* MFPR_ASTEN */
|
| 381 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ASTEN, &val) == 0) |
| 382 | b82945bc | j_mayer | env->ir[0] = val;
|
| 383 | b82945bc | j_mayer | break;
|
| 384 | b82945bc | j_mayer | case 0x00000027: |
| 385 | b82945bc | j_mayer | /* MFPR_ASTSR */
|
| 386 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ASTSR, &val) == 0) |
| 387 | b82945bc | j_mayer | env->ir[0] = val;
|
| 388 | b82945bc | j_mayer | break;
|
| 389 | b82945bc | j_mayer | case 0x00000029: |
| 390 | b82945bc | j_mayer | /* MFPR_VPTB */
|
| 391 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_VPTB, &val) == 0) |
| 392 | b82945bc | j_mayer | env->ir[0] = val;
|
| 393 | b82945bc | j_mayer | break;
|
| 394 | b82945bc | j_mayer | case 0x0000002A: |
| 395 | b82945bc | j_mayer | /* MTPR_VPTB */
|
| 396 | b82945bc | j_mayer | val = env->ir[16];
|
| 397 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_VPTB, val, &oldval) == 1) |
| 398 | b82945bc | j_mayer | env->ir[0] = val;
|
| 399 | b82945bc | j_mayer | break;
|
| 400 | b82945bc | j_mayer | case 0x0000002B: |
| 401 | b82945bc | j_mayer | /* MTPR_PERFMON */
|
| 402 | b82945bc | j_mayer | val = env->ir[16];
|
| 403 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PERFMON, val, &oldval) == 1) |
| 404 | b82945bc | j_mayer | env->ir[0] = val;
|
| 405 | b82945bc | j_mayer | break;
|
| 406 | b82945bc | j_mayer | case 0x0000002E: |
| 407 | b82945bc | j_mayer | /* MTPR_DATFX */
|
| 408 | b82945bc | j_mayer | val = env->ir[16];
|
| 409 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_DATFX, val, &oldval) == 1) |
| 410 | b82945bc | j_mayer | env->ir[0] = val;
|
| 411 | b82945bc | j_mayer | break;
|
| 412 | b82945bc | j_mayer | case 0x0000003E: |
| 413 | b82945bc | j_mayer | /* WTINT */
|
| 414 | b82945bc | j_mayer | break;
|
| 415 | b82945bc | j_mayer | case 0x0000003F: |
| 416 | b82945bc | j_mayer | /* MFPR_WHAMI */
|
| 417 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_WHAMI, &val) == 0) |
| 418 | b82945bc | j_mayer | env->ir[0] = val;
|
| 419 | b82945bc | j_mayer | break;
|
| 420 | b82945bc | j_mayer | case 0x00000080: |
| 421 | b82945bc | j_mayer | /* BPT */
|
| 422 | b82945bc | j_mayer | /* REQUIRED */
|
| 423 | b82945bc | j_mayer | break;
|
| 424 | b82945bc | j_mayer | case 0x00000081: |
| 425 | b82945bc | j_mayer | /* BUGCHK */
|
| 426 | b82945bc | j_mayer | /* REQUIRED */
|
| 427 | b82945bc | j_mayer | break;
|
| 428 | b82945bc | j_mayer | case 0x00000082: |
| 429 | b82945bc | j_mayer | /* CHME */
|
| 430 | b82945bc | j_mayer | break;
|
| 431 | b82945bc | j_mayer | case 0x00000083: |
| 432 | b82945bc | j_mayer | /* CHMK */
|
| 433 | b82945bc | j_mayer | break;
|
| 434 | b82945bc | j_mayer | case 0x00000084: |
| 435 | b82945bc | j_mayer | /* CHMS */
|
| 436 | b82945bc | j_mayer | break;
|
| 437 | b82945bc | j_mayer | case 0x00000085: |
| 438 | b82945bc | j_mayer | /* CHMU */
|
| 439 | b82945bc | j_mayer | break;
|
| 440 | b82945bc | j_mayer | case 0x00000086: |
| 441 | b82945bc | j_mayer | /* IMB */
|
| 442 | b82945bc | j_mayer | /* REQUIRED */
|
| 443 | b82945bc | j_mayer | /* Implemented as no-op */
|
| 444 | b82945bc | j_mayer | break;
|
| 445 | b82945bc | j_mayer | case 0x00000087: |
| 446 | b82945bc | j_mayer | /* INSQHIL */
|
| 447 | b82945bc | j_mayer | break;
|
| 448 | b82945bc | j_mayer | case 0x00000088: |
| 449 | b82945bc | j_mayer | /* INSQTIL */
|
| 450 | b82945bc | j_mayer | break;
|
| 451 | b82945bc | j_mayer | case 0x00000089: |
| 452 | b82945bc | j_mayer | /* INSQHIQ */
|
| 453 | b82945bc | j_mayer | break;
|
| 454 | b82945bc | j_mayer | case 0x0000008A: |
| 455 | b82945bc | j_mayer | /* INSQTIQ */
|
| 456 | b82945bc | j_mayer | break;
|
| 457 | b82945bc | j_mayer | case 0x0000008B: |
| 458 | b82945bc | j_mayer | /* INSQUEL */
|
| 459 | b82945bc | j_mayer | break;
|
| 460 | b82945bc | j_mayer | case 0x0000008C: |
| 461 | b82945bc | j_mayer | /* INSQUEQ */
|
| 462 | b82945bc | j_mayer | break;
|
| 463 | b82945bc | j_mayer | case 0x0000008D: |
| 464 | b82945bc | j_mayer | /* INSQUEL/D */
|
| 465 | b82945bc | j_mayer | break;
|
| 466 | b82945bc | j_mayer | case 0x0000008E: |
| 467 | b82945bc | j_mayer | /* INSQUEQ/D */
|
| 468 | b82945bc | j_mayer | break;
|
| 469 | b82945bc | j_mayer | case 0x0000008F: |
| 470 | b82945bc | j_mayer | /* PROBER */
|
| 471 | b82945bc | j_mayer | break;
|
| 472 | b82945bc | j_mayer | case 0x00000090: |
| 473 | b82945bc | j_mayer | /* PROBEW */
|
| 474 | b82945bc | j_mayer | break;
|
| 475 | b82945bc | j_mayer | case 0x00000091: |
| 476 | b82945bc | j_mayer | /* RD_PS */
|
| 477 | b82945bc | j_mayer | break;
|
| 478 | b82945bc | j_mayer | case 0x00000092: |
| 479 | b82945bc | j_mayer | /* REI */
|
| 480 | b82945bc | j_mayer | break;
|
| 481 | b82945bc | j_mayer | case 0x00000093: |
| 482 | b82945bc | j_mayer | /* REMQHIL */
|
| 483 | b82945bc | j_mayer | break;
|
| 484 | b82945bc | j_mayer | case 0x00000094: |
| 485 | b82945bc | j_mayer | /* REMQTIL */
|
| 486 | b82945bc | j_mayer | break;
|
| 487 | b82945bc | j_mayer | case 0x00000095: |
| 488 | b82945bc | j_mayer | /* REMQHIQ */
|
| 489 | b82945bc | j_mayer | break;
|
| 490 | b82945bc | j_mayer | case 0x00000096: |
| 491 | b82945bc | j_mayer | /* REMQTIQ */
|
| 492 | b82945bc | j_mayer | break;
|
| 493 | b82945bc | j_mayer | case 0x00000097: |
| 494 | b82945bc | j_mayer | /* REMQUEL */
|
| 495 | b82945bc | j_mayer | break;
|
| 496 | b82945bc | j_mayer | case 0x00000098: |
| 497 | b82945bc | j_mayer | /* REMQUEQ */
|
| 498 | b82945bc | j_mayer | break;
|
| 499 | b82945bc | j_mayer | case 0x00000099: |
| 500 | b82945bc | j_mayer | /* REMQUEL/D */
|
| 501 | b82945bc | j_mayer | break;
|
| 502 | b82945bc | j_mayer | case 0x0000009A: |
| 503 | b82945bc | j_mayer | /* REMQUEQ/D */
|
| 504 | b82945bc | j_mayer | break;
|
| 505 | b82945bc | j_mayer | case 0x0000009B: |
| 506 | b82945bc | j_mayer | /* SWASTEN */
|
| 507 | b82945bc | j_mayer | break;
|
| 508 | b82945bc | j_mayer | case 0x0000009C: |
| 509 | b82945bc | j_mayer | /* WR_PS_SW */
|
| 510 | b82945bc | j_mayer | break;
|
| 511 | b82945bc | j_mayer | case 0x0000009D: |
| 512 | b82945bc | j_mayer | /* RSCC */
|
| 513 | b82945bc | j_mayer | break;
|
| 514 | b82945bc | j_mayer | case 0x0000009E: |
| 515 | b82945bc | j_mayer | /* READ_UNQ */
|
| 516 | b82945bc | j_mayer | /* REQUIRED */
|
| 517 | b82945bc | j_mayer | break;
|
| 518 | b82945bc | j_mayer | case 0x0000009F: |
| 519 | b82945bc | j_mayer | /* WRITE_UNQ */
|
| 520 | b82945bc | j_mayer | /* REQUIRED */
|
| 521 | b82945bc | j_mayer | break;
|
| 522 | b82945bc | j_mayer | case 0x000000A0: |
| 523 | b82945bc | j_mayer | /* AMOVRR */
|
| 524 | b82945bc | j_mayer | break;
|
| 525 | b82945bc | j_mayer | case 0x000000A1: |
| 526 | b82945bc | j_mayer | /* AMOVRM */
|
| 527 | b82945bc | j_mayer | break;
|
| 528 | b82945bc | j_mayer | case 0x000000A2: |
| 529 | b82945bc | j_mayer | /* INSQHILR */
|
| 530 | b82945bc | j_mayer | break;
|
| 531 | b82945bc | j_mayer | case 0x000000A3: |
| 532 | b82945bc | j_mayer | /* INSQTILR */
|
| 533 | b82945bc | j_mayer | break;
|
| 534 | b82945bc | j_mayer | case 0x000000A4: |
| 535 | b82945bc | j_mayer | /* INSQHIQR */
|
| 536 | b82945bc | j_mayer | break;
|
| 537 | b82945bc | j_mayer | case 0x000000A5: |
| 538 | b82945bc | j_mayer | /* INSQTIQR */
|
| 539 | b82945bc | j_mayer | break;
|
| 540 | b82945bc | j_mayer | case 0x000000A6: |
| 541 | b82945bc | j_mayer | /* REMQHILR */
|
| 542 | b82945bc | j_mayer | break;
|
| 543 | b82945bc | j_mayer | case 0x000000A7: |
| 544 | b82945bc | j_mayer | /* REMQTILR */
|
| 545 | b82945bc | j_mayer | break;
|
| 546 | b82945bc | j_mayer | case 0x000000A8: |
| 547 | b82945bc | j_mayer | /* REMQHIQR */
|
| 548 | b82945bc | j_mayer | break;
|
| 549 | b82945bc | j_mayer | case 0x000000A9: |
| 550 | b82945bc | j_mayer | /* REMQTIQR */
|
| 551 | b82945bc | j_mayer | break;
|
| 552 | b82945bc | j_mayer | case 0x000000AA: |
| 553 | b82945bc | j_mayer | /* GENTRAP */
|
| 554 | b82945bc | j_mayer | /* REQUIRED */
|
| 555 | b82945bc | j_mayer | break;
|
| 556 | b82945bc | j_mayer | case 0x000000AE: |
| 557 | b82945bc | j_mayer | /* CLRFEN */
|
| 558 | b82945bc | j_mayer | break;
|
| 559 | b82945bc | j_mayer | default:
|
| 560 | b82945bc | j_mayer | break;
|
| 561 | b82945bc | j_mayer | } |
| 562 | b82945bc | j_mayer | } |
| 563 | b82945bc | j_mayer | |
| 564 | b82945bc | j_mayer | static void pal_unix_call (CPUState *env, uint32_t palcode) |
| 565 | b82945bc | j_mayer | {
|
| 566 | b82945bc | j_mayer | uint64_t palid, val, oldval; |
| 567 | b82945bc | j_mayer | |
| 568 | b82945bc | j_mayer | if (palcode < 0x00000080) { |
| 569 | b82945bc | j_mayer | /* Privileged palcodes */
|
| 570 | b82945bc | j_mayer | if (!(env->ps >> 3)) { |
| 571 | b82945bc | j_mayer | /* TODO: generate privilege exception */
|
| 572 | b82945bc | j_mayer | } |
| 573 | b82945bc | j_mayer | } |
| 574 | b82945bc | j_mayer | switch (palcode) {
|
| 575 | b82945bc | j_mayer | case 0x00000000: |
| 576 | b82945bc | j_mayer | /* HALT */
|
| 577 | b82945bc | j_mayer | /* REQUIRED */
|
| 578 | b82945bc | j_mayer | break;
|
| 579 | b82945bc | j_mayer | case 0x00000001: |
| 580 | b82945bc | j_mayer | /* CFLUSH */
|
| 581 | b82945bc | j_mayer | break;
|
| 582 | b82945bc | j_mayer | case 0x00000002: |
| 583 | b82945bc | j_mayer | /* DRAINA */
|
| 584 | b82945bc | j_mayer | /* REQUIRED */
|
| 585 | b82945bc | j_mayer | /* Implemented as no-op */
|
| 586 | b82945bc | j_mayer | break;
|
| 587 | b82945bc | j_mayer | case 0x00000009: |
| 588 | b82945bc | j_mayer | /* CSERVE */
|
| 589 | b82945bc | j_mayer | /* REQUIRED */
|
| 590 | b82945bc | j_mayer | break;
|
| 591 | b82945bc | j_mayer | case 0x0000000A: |
| 592 | b82945bc | j_mayer | /* SWPPAL */
|
| 593 | b82945bc | j_mayer | /* REQUIRED */
|
| 594 | b82945bc | j_mayer | palid = env->ir[16];
|
| 595 | b82945bc | j_mayer | do_swappal(env, palid); |
| 596 | b82945bc | j_mayer | break;
|
| 597 | b82945bc | j_mayer | case 0x0000000D: |
| 598 | b82945bc | j_mayer | /* WRIPIR */
|
| 599 | b82945bc | j_mayer | val = env->ir[16];
|
| 600 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_IPIR, val, &oldval) == 1) |
| 601 | b82945bc | j_mayer | env->ir[0] = val;
|
| 602 | b82945bc | j_mayer | break;
|
| 603 | b82945bc | j_mayer | case 0x00000010: |
| 604 | b82945bc | j_mayer | /* RDMCES */
|
| 605 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_MCES, &val) == 0) |
| 606 | b82945bc | j_mayer | env->ir[0] = val;
|
| 607 | b82945bc | j_mayer | break;
|
| 608 | b82945bc | j_mayer | case 0x00000011: |
| 609 | b82945bc | j_mayer | /* WRMCES */
|
| 610 | b82945bc | j_mayer | val = env->ir[16];
|
| 611 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_MCES, val, &oldval) == 1) |
| 612 | b82945bc | j_mayer | env->ir[0] = val;
|
| 613 | b82945bc | j_mayer | break;
|
| 614 | b82945bc | j_mayer | case 0x0000002B: |
| 615 | b82945bc | j_mayer | /* WRFEN */
|
| 616 | b82945bc | j_mayer | val = env->ir[16];
|
| 617 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PERFMON, val, &oldval) == 1) |
| 618 | b82945bc | j_mayer | env->ir[0] = val;
|
| 619 | b82945bc | j_mayer | break;
|
| 620 | b82945bc | j_mayer | case 0x0000002D: |
| 621 | b82945bc | j_mayer | /* WRVPTPTR */
|
| 622 | b82945bc | j_mayer | break;
|
| 623 | b82945bc | j_mayer | case 0x00000030: |
| 624 | b82945bc | j_mayer | /* SWPCTX */
|
| 625 | b82945bc | j_mayer | break;
|
| 626 | b82945bc | j_mayer | case 0x00000031: |
| 627 | b82945bc | j_mayer | /* WRVAL */
|
| 628 | b82945bc | j_mayer | break;
|
| 629 | b82945bc | j_mayer | case 0x00000032: |
| 630 | b82945bc | j_mayer | /* RDVAL */
|
| 631 | b82945bc | j_mayer | break;
|
| 632 | b82945bc | j_mayer | case 0x00000033: |
| 633 | b82945bc | j_mayer | /* TBI */
|
| 634 | b82945bc | j_mayer | val = env->ir[16];
|
| 635 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIS, val, &oldval) == 1) |
| 636 | b82945bc | j_mayer | env->ir[0] = val;
|
| 637 | b82945bc | j_mayer | break;
|
| 638 | b82945bc | j_mayer | case 0x00000034: |
| 639 | b82945bc | j_mayer | /* WRENT */
|
| 640 | b82945bc | j_mayer | break;
|
| 641 | b82945bc | j_mayer | case 0x00000035: |
| 642 | b82945bc | j_mayer | /* SWPIPL */
|
| 643 | b82945bc | j_mayer | break;
|
| 644 | b82945bc | j_mayer | case 0x00000036: |
| 645 | b82945bc | j_mayer | /* RDPS */
|
| 646 | b82945bc | j_mayer | break;
|
| 647 | b82945bc | j_mayer | case 0x00000037: |
| 648 | b82945bc | j_mayer | /* WRKGP */
|
| 649 | b82945bc | j_mayer | break;
|
| 650 | b82945bc | j_mayer | case 0x00000038: |
| 651 | b82945bc | j_mayer | /* WRUSP */
|
| 652 | b82945bc | j_mayer | val = env->ir[16];
|
| 653 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_USP, val, &oldval) == 1) |
| 654 | b82945bc | j_mayer | env->ir[0] = val;
|
| 655 | b82945bc | j_mayer | break;
|
| 656 | b82945bc | j_mayer | case 0x00000039: |
| 657 | b82945bc | j_mayer | /* WRPERFMON */
|
| 658 | b82945bc | j_mayer | val = env->ir[16];
|
| 659 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PERFMON, val, &oldval) == 1) |
| 660 | b82945bc | j_mayer | env->ir[0] = val;
|
| 661 | b82945bc | j_mayer | break;
|
| 662 | b82945bc | j_mayer | case 0x0000003A: |
| 663 | b82945bc | j_mayer | /* RDUSP */
|
| 664 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_USP, &val) == 0) |
| 665 | b82945bc | j_mayer | env->ir[0] = val;
|
| 666 | b82945bc | j_mayer | break;
|
| 667 | b82945bc | j_mayer | case 0x0000003C: |
| 668 | b82945bc | j_mayer | /* WHAMI */
|
| 669 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_WHAMI, &val) == 0) |
| 670 | b82945bc | j_mayer | env->ir[0] = val;
|
| 671 | b82945bc | j_mayer | break;
|
| 672 | b82945bc | j_mayer | case 0x0000003D: |
| 673 | b82945bc | j_mayer | /* RETSYS */
|
| 674 | b82945bc | j_mayer | break;
|
| 675 | b82945bc | j_mayer | case 0x0000003E: |
| 676 | b82945bc | j_mayer | /* WTINT */
|
| 677 | b82945bc | j_mayer | break;
|
| 678 | b82945bc | j_mayer | case 0x0000003F: |
| 679 | b82945bc | j_mayer | /* RTI */
|
| 680 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_WHAMI, &val) == 0) |
| 681 | b82945bc | j_mayer | env->ir[0] = val;
|
| 682 | b82945bc | j_mayer | break;
|
| 683 | b82945bc | j_mayer | case 0x00000080: |
| 684 | b82945bc | j_mayer | /* BPT */
|
| 685 | b82945bc | j_mayer | /* REQUIRED */
|
| 686 | b82945bc | j_mayer | break;
|
| 687 | b82945bc | j_mayer | case 0x00000081: |
| 688 | b82945bc | j_mayer | /* BUGCHK */
|
| 689 | b82945bc | j_mayer | /* REQUIRED */
|
| 690 | b82945bc | j_mayer | break;
|
| 691 | b82945bc | j_mayer | case 0x00000083: |
| 692 | b82945bc | j_mayer | /* CALLSYS */
|
| 693 | b82945bc | j_mayer | break;
|
| 694 | b82945bc | j_mayer | case 0x00000086: |
| 695 | b82945bc | j_mayer | /* IMB */
|
| 696 | b82945bc | j_mayer | /* REQUIRED */
|
| 697 | b82945bc | j_mayer | /* Implemented as no-op */
|
| 698 | b82945bc | j_mayer | break;
|
| 699 | b82945bc | j_mayer | case 0x00000092: |
| 700 | b82945bc | j_mayer | /* URTI */
|
| 701 | b82945bc | j_mayer | break;
|
| 702 | b82945bc | j_mayer | case 0x0000009E: |
| 703 | b82945bc | j_mayer | /* RDUNIQUE */
|
| 704 | b82945bc | j_mayer | /* REQUIRED */
|
| 705 | b82945bc | j_mayer | break;
|
| 706 | b82945bc | j_mayer | case 0x0000009F: |
| 707 | b82945bc | j_mayer | /* WRUNIQUE */
|
| 708 | b82945bc | j_mayer | /* REQUIRED */
|
| 709 | b82945bc | j_mayer | break;
|
| 710 | b82945bc | j_mayer | case 0x000000AA: |
| 711 | b82945bc | j_mayer | /* GENTRAP */
|
| 712 | b82945bc | j_mayer | /* REQUIRED */
|
| 713 | b82945bc | j_mayer | break;
|
| 714 | b82945bc | j_mayer | case 0x000000AE: |
| 715 | b82945bc | j_mayer | /* CLRFEN */
|
| 716 | b82945bc | j_mayer | break;
|
| 717 | b82945bc | j_mayer | default:
|
| 718 | b82945bc | j_mayer | break;
|
| 719 | b82945bc | j_mayer | } |
| 720 | b82945bc | j_mayer | } |
| 721 | b82945bc | j_mayer | |
| 722 | b82945bc | j_mayer | void call_pal (CPUState *env)
|
| 723 | b82945bc | j_mayer | {
|
| 724 | b82945bc | j_mayer | pal_handler_t *pal_handler = env->pal_handler; |
| 725 | b82945bc | j_mayer | |
| 726 | b82945bc | j_mayer | switch (env->exception_index) {
|
| 727 | b82945bc | j_mayer | case EXCP_RESET:
|
| 728 | b82945bc | j_mayer | (*pal_handler->reset)(env); |
| 729 | b82945bc | j_mayer | break;
|
| 730 | b82945bc | j_mayer | case EXCP_MCHK:
|
| 731 | b82945bc | j_mayer | (*pal_handler->machine_check)(env); |
| 732 | b82945bc | j_mayer | break;
|
| 733 | b82945bc | j_mayer | case EXCP_ARITH:
|
| 734 | b82945bc | j_mayer | (*pal_handler->arithmetic)(env); |
| 735 | b82945bc | j_mayer | break;
|
| 736 | b82945bc | j_mayer | case EXCP_INTERRUPT:
|
| 737 | b82945bc | j_mayer | (*pal_handler->interrupt)(env); |
| 738 | b82945bc | j_mayer | break;
|
| 739 | b82945bc | j_mayer | case EXCP_DFAULT:
|
| 740 | b82945bc | j_mayer | (*pal_handler->dfault)(env); |
| 741 | b82945bc | j_mayer | break;
|
| 742 | b82945bc | j_mayer | case EXCP_DTB_MISS_PAL:
|
| 743 | b82945bc | j_mayer | (*pal_handler->dtb_miss_pal)(env); |
| 744 | b82945bc | j_mayer | break;
|
| 745 | b82945bc | j_mayer | case EXCP_DTB_MISS_NATIVE:
|
| 746 | b82945bc | j_mayer | (*pal_handler->dtb_miss_native)(env); |
| 747 | b82945bc | j_mayer | break;
|
| 748 | b82945bc | j_mayer | case EXCP_UNALIGN:
|
| 749 | b82945bc | j_mayer | (*pal_handler->unalign)(env); |
| 750 | b82945bc | j_mayer | break;
|
| 751 | b82945bc | j_mayer | case EXCP_ITB_MISS:
|
| 752 | b82945bc | j_mayer | (*pal_handler->itb_miss)(env); |
| 753 | b82945bc | j_mayer | break;
|
| 754 | b82945bc | j_mayer | case EXCP_ITB_ACV:
|
| 755 | b82945bc | j_mayer | (*pal_handler->itb_acv)(env); |
| 756 | b82945bc | j_mayer | break;
|
| 757 | b82945bc | j_mayer | case EXCP_OPCDEC:
|
| 758 | b82945bc | j_mayer | (*pal_handler->opcdec)(env); |
| 759 | b82945bc | j_mayer | break;
|
| 760 | b82945bc | j_mayer | case EXCP_FEN:
|
| 761 | b82945bc | j_mayer | (*pal_handler->fen)(env); |
| 762 | b82945bc | j_mayer | break;
|
| 763 | b82945bc | j_mayer | default:
|
| 764 | b82945bc | j_mayer | if (env->exception_index >= EXCP_CALL_PAL &&
|
| 765 | b82945bc | j_mayer | env->exception_index < EXCP_CALL_PALP) {
|
| 766 | b82945bc | j_mayer | /* Unprivileged PAL call */
|
| 767 | b82945bc | j_mayer | (*pal_handler->call_pal) |
| 768 | b82945bc | j_mayer | (env, (env->exception_index - EXCP_CALL_PAL) >> 6);
|
| 769 | b82945bc | j_mayer | } else if (env->exception_index >= EXCP_CALL_PALP && |
| 770 | b82945bc | j_mayer | env->exception_index < EXCP_CALL_PALE) {
|
| 771 | b82945bc | j_mayer | /* Privileged PAL call */
|
| 772 | b82945bc | j_mayer | (*pal_handler->call_pal) |
| 773 | b82945bc | j_mayer | (env, ((env->exception_index - EXCP_CALL_PALP) >> 6) + 0x80); |
| 774 | b82945bc | j_mayer | } else {
|
| 775 | b82945bc | j_mayer | /* Should never happen */
|
| 776 | b82945bc | j_mayer | } |
| 777 | b82945bc | j_mayer | break;
|
| 778 | b82945bc | j_mayer | } |
| 779 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] &= ~1;
|
| 780 | b82945bc | j_mayer | } |
| 781 | b82945bc | j_mayer | |
| 782 | b82945bc | j_mayer | void pal_init (CPUState *env)
|
| 783 | b82945bc | j_mayer | {
|
| 784 | b82945bc | j_mayer | do_swappal(env, 0);
|
| 785 | b82945bc | j_mayer | } |
| 786 | b82945bc | j_mayer | |
| 787 | b82945bc | j_mayer | #if 0
|
| 788 | b82945bc | j_mayer | static uint64_t get_ptebase (CPUState *env, uint64_t vaddr)
|
| 789 | b82945bc | j_mayer | {
|
| 790 | b82945bc | j_mayer | uint64_t virbnd, ptbr;
|
| 791 | b82945bc | j_mayer | |
| 792 | b82945bc | j_mayer | if ((env->features & FEATURE_VIRBND)) {
|
| 793 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_VIRBND, &virbnd);
|
| 794 | b82945bc | j_mayer | if (vaddr >= virbnd)
|
| 795 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_SYSPTBR, &ptbr);
|
| 796 | b82945bc | j_mayer | else
|
| 797 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_PTBR, &ptbr);
|
| 798 | b82945bc | j_mayer | } else {
|
| 799 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_PTBR, &ptbr);
|
| 800 | b82945bc | j_mayer | }
|
| 801 | b82945bc | j_mayer | |
| 802 | b82945bc | j_mayer | return ptbr;
|
| 803 | b82945bc | j_mayer | }
|
| 804 | b82945bc | j_mayer | |
| 805 | b82945bc | j_mayer | static int get_page_bits (CPUState *env)
|
| 806 | b82945bc | j_mayer | {
|
| 807 | b82945bc | j_mayer | /* XXX */
|
| 808 | b82945bc | j_mayer | return 13;
|
| 809 | b82945bc | j_mayer | }
|
| 810 | b82945bc | j_mayer | |
| 811 | b82945bc | j_mayer | static int get_pte (uint64_t *pfnp, int *zbitsp, int *protp,
|
| 812 | b82945bc | j_mayer | uint64_t ptebase, int page_bits, uint64_t level,
|
| 813 | 6ebbf390 | j_mayer | int mmu_idx, int rw)
|
| 814 | b82945bc | j_mayer | {
|
| 815 | b82945bc | j_mayer | uint64_t pteaddr, pte, pfn;
|
| 816 | b82945bc | j_mayer | uint8_t gh;
|
| 817 | 6ebbf390 | j_mayer | int ure, uwe, kre, kwe, foE, foR, foW, v, ret, ar, is_user;
|
| 818 | b82945bc | j_mayer | |
| 819 | 6ebbf390 | j_mayer | /* XXX: TOFIX */
|
| 820 | 6ebbf390 | j_mayer | is_user = mmu_idx == MMU_USER_IDX;
|
| 821 | b82945bc | j_mayer | pteaddr = (ptebase << page_bits) + (8 * level);
|
| 822 | b82945bc | j_mayer | pte = ldq_raw(pteaddr);
|
| 823 | b82945bc | j_mayer | /* Decode all interresting PTE fields */
|
| 824 | b82945bc | j_mayer | pfn = pte >> 32;
|
| 825 | b82945bc | j_mayer | uwe = (pte >> 13) & 1;
|
| 826 | b82945bc | j_mayer | kwe = (pte >> 12) & 1;
|
| 827 | b82945bc | j_mayer | ure = (pte >> 9) & 1;
|
| 828 | b82945bc | j_mayer | kre = (pte >> 8) & 1;
|
| 829 | b82945bc | j_mayer | gh = (pte >> 5) & 3;
|
| 830 | b82945bc | j_mayer | foE = (pte >> 3) & 1;
|
| 831 | b82945bc | j_mayer | foW = (pte >> 2) & 1;
|
| 832 | b82945bc | j_mayer | foR = (pte >> 1) & 1;
|
| 833 | b82945bc | j_mayer | v = pte & 1;
|
| 834 | b82945bc | j_mayer | ret = 0;
|
| 835 | b82945bc | j_mayer | if (!v)
|
| 836 | b82945bc | j_mayer | ret = 0x1;
|
| 837 | b82945bc | j_mayer | /* Check access rights */
|
| 838 | b82945bc | j_mayer | ar = 0;
|
| 839 | b82945bc | j_mayer | if (is_user) {
|
| 840 | b82945bc | j_mayer | if (ure)
|
| 841 | b82945bc | j_mayer | ar |= PAGE_READ;
|
| 842 | b82945bc | j_mayer | if (uwe)
|
| 843 | b82945bc | j_mayer | ar |= PAGE_WRITE;
|
| 844 | b82945bc | j_mayer | if (rw == 1 && !uwe)
|
| 845 | b82945bc | j_mayer | ret |= 0x2;
|
| 846 | b82945bc | j_mayer | if (rw != 1 && !ure)
|
| 847 | b82945bc | j_mayer | ret |= 0x2;
|
| 848 | b82945bc | j_mayer | } else {
|
| 849 | b82945bc | j_mayer | if (kre)
|
| 850 | b82945bc | j_mayer | ar |= PAGE_READ;
|
| 851 | b82945bc | j_mayer | if (kwe)
|
| 852 | b82945bc | j_mayer | ar |= PAGE_WRITE;
|
| 853 | b82945bc | j_mayer | if (rw == 1 && !kwe)
|
| 854 | b82945bc | j_mayer | ret |= 0x2;
|
| 855 | b82945bc | j_mayer | if (rw != 1 && !kre)
|
| 856 | b82945bc | j_mayer | ret |= 0x2;
|
| 857 | b82945bc | j_mayer | }
|
| 858 | b82945bc | j_mayer | if (rw == 0 && foR)
|
| 859 | b82945bc | j_mayer | ret |= 0x4;
|
| 860 | b82945bc | j_mayer | if (rw == 2 && foE)
|
| 861 | b82945bc | j_mayer | ret |= 0x8;
|
| 862 | b82945bc | j_mayer | if (rw == 1 && foW)
|
| 863 | b82945bc | j_mayer | ret |= 0xC;
|
| 864 | b82945bc | j_mayer | *pfnp = pfn;
|
| 865 | b82945bc | j_mayer | if (zbitsp != NULL)
|
| 866 | b82945bc | j_mayer | *zbitsp = page_bits + (3 * gh);
|
| 867 | b82945bc | j_mayer | if (protp != NULL)
|
| 868 | b82945bc | j_mayer | *protp = ar;
|
| 869 | b82945bc | j_mayer | |
| 870 | b82945bc | j_mayer | return ret;
|
| 871 | b82945bc | j_mayer | }
|
| 872 | b82945bc | j_mayer | |
| 873 | b82945bc | j_mayer | static int paddr_from_pte (uint64_t *paddr, int *zbitsp, int *prot,
|
| 874 | b82945bc | j_mayer | uint64_t ptebase, int page_bits,
|
| 875 | 6ebbf390 | j_mayer | uint64_t vaddr, int mmu_idx, int rw)
|
| 876 | b82945bc | j_mayer | {
|
| 877 | b82945bc | j_mayer | uint64_t pfn, page_mask, lvl_mask, level1, level2, level3;
|
| 878 | b82945bc | j_mayer | int lvl_bits, ret;
|
| 879 | b82945bc | j_mayer | |
| 880 | b82945bc | j_mayer | page_mask = (1ULL << page_bits) - 1ULL;
|
| 881 | b82945bc | j_mayer | lvl_bits = page_bits - 3;
|
| 882 | b82945bc | j_mayer | lvl_mask = (1ULL << lvl_bits) - 1ULL;
|
| 883 | b82945bc | j_mayer | level3 = (vaddr >> page_bits) & lvl_mask;
|
| 884 | b82945bc | j_mayer | level2 = (vaddr >> (page_bits + lvl_bits)) & lvl_mask;
|
| 885 | b82945bc | j_mayer | level1 = (vaddr >> (page_bits + (2 * lvl_bits))) & lvl_mask;
|
| 886 | b82945bc | j_mayer | /* Level 1 PTE */
|
| 887 | b82945bc | j_mayer | ret = get_pte(&pfn, NULL, NULL, ptebase, page_bits, level1, 0, 0);
|
| 888 | b82945bc | j_mayer | switch (ret) {
|
| 889 | b82945bc | j_mayer | case 3:
|
| 890 | b82945bc | j_mayer | /* Access violation */
|
| 891 | b82945bc | j_mayer | return 2;
|
| 892 | b82945bc | j_mayer | case 2:
|
| 893 | b82945bc | j_mayer | /* translation not valid */
|
| 894 | b82945bc | j_mayer | return 1;
|
| 895 | b82945bc | j_mayer | default:
|
| 896 | b82945bc | j_mayer | /* OK */
|
| 897 | b82945bc | j_mayer | break;
|
| 898 | b82945bc | j_mayer | }
|
| 899 | b82945bc | j_mayer | /* Level 2 PTE */
|
| 900 | b82945bc | j_mayer | ret = get_pte(&pfn, NULL, NULL, pfn, page_bits, level2, 0, 0);
|
| 901 | b82945bc | j_mayer | switch (ret) {
|
| 902 | b82945bc | j_mayer | case 3:
|
| 903 | b82945bc | j_mayer | /* Access violation */
|
| 904 | b82945bc | j_mayer | return 2;
|
| 905 | b82945bc | j_mayer | case 2:
|
| 906 | b82945bc | j_mayer | /* translation not valid */
|
| 907 | b82945bc | j_mayer | return 1;
|
| 908 | b82945bc | j_mayer | default:
|
| 909 | b82945bc | j_mayer | /* OK */
|
| 910 | b82945bc | j_mayer | break;
|
| 911 | b82945bc | j_mayer | }
|
| 912 | b82945bc | j_mayer | /* Level 3 PTE */
|
| 913 | 6ebbf390 | j_mayer | ret = get_pte(&pfn, zbitsp, prot, pfn, page_bits, level3, mmu_idx, rw);
|
| 914 | b82945bc | j_mayer | if (ret & 0x1) {
|
| 915 | b82945bc | j_mayer | /* Translation not valid */
|
| 916 | b82945bc | j_mayer | ret = 1;
|
| 917 | b82945bc | j_mayer | } else if (ret & 2) {
|
| 918 | b82945bc | j_mayer | /* Access violation */
|
| 919 | b82945bc | j_mayer | ret = 2;
|
| 920 | b82945bc | j_mayer | } else {
|
| 921 | b82945bc | j_mayer | switch (ret & 0xC) {
|
| 922 | b82945bc | j_mayer | case 0:
|
| 923 | b82945bc | j_mayer | /* OK */
|
| 924 | b82945bc | j_mayer | ret = 0;
|
| 925 | b82945bc | j_mayer | break;
|
| 926 | b82945bc | j_mayer | case 0x4:
|
| 927 | b82945bc | j_mayer | /* Fault on read */
|
| 928 | b82945bc | j_mayer | ret = 3;
|
| 929 | b82945bc | j_mayer | break;
|
| 930 | b82945bc | j_mayer | case 0x8:
|
| 931 | b82945bc | j_mayer | /* Fault on execute */
|
| 932 | b82945bc | j_mayer | ret = 4;
|
| 933 | b82945bc | j_mayer | break;
|
| 934 | b82945bc | j_mayer | case 0xC:
|
| 935 | b82945bc | j_mayer | /* Fault on write */
|
| 936 | b82945bc | j_mayer | ret = 5;
|
| 937 | b82945bc | j_mayer | break;
|
| 938 | b82945bc | j_mayer | }
|
| 939 | b82945bc | j_mayer | }
|
| 940 | b82945bc | j_mayer | *paddr = (pfn << page_bits) | (vaddr & page_mask);
|
| 941 | 3b46e624 | ths | |
| 942 | b82945bc | j_mayer | return 0;
|
| 943 | b82945bc | j_mayer | }
|
| 944 | b82945bc | j_mayer | |
| 945 | b82945bc | j_mayer | static int virtual_to_physical (CPUState *env, uint64_t *physp,
|
| 946 | b82945bc | j_mayer | int *zbitsp, int *protp,
|
| 947 | 6ebbf390 | j_mayer | uint64_t virtual, int mmu_idx, int rw)
|
| 948 | b82945bc | j_mayer | {
|
| 949 | b82945bc | j_mayer | uint64_t sva, ptebase;
|
| 950 | b82945bc | j_mayer | int seg, page_bits, ret;
|
| 951 | b82945bc | j_mayer | |
| 952 | b82945bc | j_mayer | sva = ((int64_t)(virtual << (64 - VA_BITS))) >> (64 - VA_BITS);
|
| 953 | b82945bc | j_mayer | if (sva != virtual)
|
| 954 | b82945bc | j_mayer | seg = -1;
|
| 955 | b82945bc | j_mayer | else
|
| 956 | b82945bc | j_mayer | seg = sva >> (VA_BITS - 2);
|
| 957 | b82945bc | j_mayer | virtual &= ~(0xFFFFFC0000000000ULL << (VA_BITS - 43));
|
| 958 | b82945bc | j_mayer | ptebase = get_ptebase(env, virtual);
|
| 959 | b82945bc | j_mayer | page_bits = get_page_bits(env);
|
| 960 | b82945bc | j_mayer | ret = 0;
|
| 961 | b82945bc | j_mayer | switch (seg) {
|
| 962 | b82945bc | j_mayer | case 0:
|
| 963 | b82945bc | j_mayer | /* seg1: 3 levels of PTE */
|
| 964 | b82945bc | j_mayer | ret = paddr_from_pte(physp, zbitsp, protp, ptebase, page_bits,
|
| 965 | 6ebbf390 | j_mayer | virtual, mmu_idx, rw);
|
| 966 | b82945bc | j_mayer | break;
|
| 967 | b82945bc | j_mayer | case 1:
|
| 968 | b82945bc | j_mayer | /* seg1: 2 levels of PTE */
|
| 969 | b82945bc | j_mayer | ret = paddr_from_pte(physp, zbitsp, protp, ptebase, page_bits,
|
| 970 | 6ebbf390 | j_mayer | virtual, mmu_idx, rw);
|
| 971 | b82945bc | j_mayer | break;
|
| 972 | b82945bc | j_mayer | case 2:
|
| 973 | b82945bc | j_mayer | /* kernel segment */
|
| 974 | 6ebbf390 | j_mayer | if (mmu_idx != 0) {
|
| 975 | b82945bc | j_mayer | ret = 2;
|
| 976 | b82945bc | j_mayer | } else {
|
| 977 | b82945bc | j_mayer | *physp = virtual;
|
| 978 | b82945bc | j_mayer | }
|
| 979 | b82945bc | j_mayer | break;
|
| 980 | b82945bc | j_mayer | case 3:
|
| 981 | b82945bc | j_mayer | /* seg1: TB mapped */
|
| 982 | b82945bc | j_mayer | ret = paddr_from_pte(physp, zbitsp, protp, ptebase, page_bits,
|
| 983 | 6ebbf390 | j_mayer | virtual, mmu_idx, rw);
|
| 984 | b82945bc | j_mayer | break;
|
| 985 | b82945bc | j_mayer | default:
|
| 986 | b82945bc | j_mayer | ret = 1;
|
| 987 | b82945bc | j_mayer | break;
|
| 988 | b82945bc | j_mayer | }
|
| 989 | b82945bc | j_mayer | |
| 990 | b82945bc | j_mayer | return ret;
|
| 991 | b82945bc | j_mayer | }
|
| 992 | b82945bc | j_mayer | |
| 993 | b82945bc | j_mayer | /* XXX: code provision */
|
| 994 | b82945bc | j_mayer | int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
|
| 995 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu)
|
| 996 | b82945bc | j_mayer | {
|
| 997 | b82945bc | j_mayer | uint64_t physical, page_size, end;
|
| 998 | b82945bc | j_mayer | int prot, zbits, ret;
|
| 999 | b82945bc | j_mayer | |
| 1000 | f48c144e | aurel32 | #if defined(CONFIG_USER_ONLY)
|
| 1001 | b82945bc | j_mayer | ret = 2;
|
| 1002 | f48c144e | aurel32 | #else
|
| 1003 | b82945bc | j_mayer | ret = virtual_to_physical(env, &physical, &zbits, &prot, |
| 1004 | 6ebbf390 | j_mayer | address, mmu_idx, rw); |
| 1005 | f48c144e | aurel32 | #endif
|
| 1006 | b82945bc | j_mayer | switch (ret) {
|
| 1007 | b82945bc | j_mayer | case 0: |
| 1008 | b82945bc | j_mayer | /* No fault */
|
| 1009 | b82945bc | j_mayer | page_size = 1ULL << zbits;
|
| 1010 | b82945bc | j_mayer | address &= ~(page_size - 1);
|
| 1011 | b82945bc | j_mayer | for (end = physical + page_size; physical < end; physical += 0x1000) { |
| 1012 | b82945bc | j_mayer | ret = tlb_set_page(env, address, physical, prot, |
| 1013 | 6ebbf390 | j_mayer | mmu_idx, is_softmmu); |
| 1014 | b82945bc | j_mayer | address += 0x1000;
|
| 1015 | b82945bc | j_mayer | } |
| 1016 | b82945bc | j_mayer | break;
|
| 1017 | b82945bc | j_mayer | #if 0
|
| 1018 | b82945bc | j_mayer | case 1:
|
| 1019 | b82945bc | j_mayer | env->exception_index = EXCP_DFAULT;
|
| 1020 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
| 1021 | b82945bc | j_mayer | ret = 1;
|
| 1022 | b82945bc | j_mayer | break;
|
| 1023 | b82945bc | j_mayer | case 2:
|
| 1024 | b82945bc | j_mayer | env->exception_index = EXCP_ACCESS_VIOLATION;
|
| 1025 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
| 1026 | b82945bc | j_mayer | ret = 1;
|
| 1027 | b82945bc | j_mayer | break;
|
| 1028 | b82945bc | j_mayer | case 3:
|
| 1029 | b82945bc | j_mayer | env->exception_index = EXCP_FAULT_ON_READ;
|
| 1030 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
| 1031 | b82945bc | j_mayer | ret = 1;
|
| 1032 | b82945bc | j_mayer | break;
|
| 1033 | b82945bc | j_mayer | case 4:
|
| 1034 | b82945bc | j_mayer | env->exception_index = EXCP_FAULT_ON_EXECUTE;
|
| 1035 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
| 1036 | b82945bc | j_mayer | ret = 1;
|
| 1037 | b82945bc | j_mayer | case 5:
|
| 1038 | b82945bc | j_mayer | env->exception_index = EXCP_FAULT_ON_WRITE;
|
| 1039 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
| 1040 | b82945bc | j_mayer | ret = 1;
|
| 1041 | b82945bc | j_mayer | #endif
|
| 1042 | b82945bc | j_mayer | default:
|
| 1043 | b82945bc | j_mayer | /* Should never happen */
|
| 1044 | b82945bc | j_mayer | env->exception_index = EXCP_MCHK; |
| 1045 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address; |
| 1046 | b82945bc | j_mayer | ret = 1;
|
| 1047 | b82945bc | j_mayer | break;
|
| 1048 | b82945bc | j_mayer | } |
| 1049 | b82945bc | j_mayer | |
| 1050 | b82945bc | j_mayer | return ret;
|
| 1051 | b82945bc | j_mayer | } |
| 1052 | b82945bc | j_mayer | #endif
|
| 1053 | b82945bc | j_mayer | |
| 1054 | b82945bc | j_mayer | #else /* !defined (CONFIG_USER_ONLY) */ |
| 1055 | b82945bc | j_mayer | void pal_init (CPUState *env)
|
| 1056 | b82945bc | j_mayer | {
|
| 1057 | b82945bc | j_mayer | } |
| 1058 | b82945bc | j_mayer | |
| 1059 | b82945bc | j_mayer | void call_pal (CPUState *env, int palcode) |
| 1060 | b82945bc | j_mayer | {
|
| 1061 | d9e147ad | aurel32 | target_long ret; |
| 1062 | b82945bc | j_mayer | |
| 1063 | 93fcfe39 | aliguori | qemu_log("%s: palcode %02x\n", __func__, palcode);
|
| 1064 | b82945bc | j_mayer | switch (palcode) {
|
| 1065 | b82945bc | j_mayer | case 0x83: |
| 1066 | b82945bc | j_mayer | /* CALLSYS */
|
| 1067 | 93fcfe39 | aliguori | qemu_log("CALLSYS n " TARGET_FMT_ld "\n", env->ir[0]); |
| 1068 | b82945bc | j_mayer | ret = do_syscall(env, env->ir[IR_V0], env->ir[IR_A0], env->ir[IR_A1], |
| 1069 | b82945bc | j_mayer | env->ir[IR_A2], env->ir[IR_A3], env->ir[IR_A4], |
| 1070 | b82945bc | j_mayer | env->ir[IR_A5]); |
| 1071 | d74e3b12 | aurel32 | if (ret >= 0) { |
| 1072 | d74e3b12 | aurel32 | env->ir[IR_A3] = 0;
|
| 1073 | d74e3b12 | aurel32 | env->ir[IR_V0] = ret; |
| 1074 | b82945bc | j_mayer | } else {
|
| 1075 | d74e3b12 | aurel32 | env->ir[IR_A3] = 1;
|
| 1076 | d74e3b12 | aurel32 | env->ir[IR_V0] = -ret; |
| 1077 | b82945bc | j_mayer | } |
| 1078 | b82945bc | j_mayer | break;
|
| 1079 | b82945bc | j_mayer | case 0x9E: |
| 1080 | b82945bc | j_mayer | /* RDUNIQUE */
|
| 1081 | b82945bc | j_mayer | env->ir[IR_V0] = env->unique; |
| 1082 | 93fcfe39 | aliguori | qemu_log("RDUNIQUE: " TARGET_FMT_lx "\n", env->unique); |
| 1083 | b82945bc | j_mayer | break;
|
| 1084 | b82945bc | j_mayer | case 0x9F: |
| 1085 | b82945bc | j_mayer | /* WRUNIQUE */
|
| 1086 | b82945bc | j_mayer | env->unique = env->ir[IR_A0]; |
| 1087 | 93fcfe39 | aliguori | qemu_log("WRUNIQUE: " TARGET_FMT_lx "\n", env->unique); |
| 1088 | b82945bc | j_mayer | break;
|
| 1089 | b82945bc | j_mayer | default:
|
| 1090 | 93fcfe39 | aliguori | qemu_log("%s: unhandled palcode %02x\n",
|
| 1091 | b82945bc | j_mayer | __func__, palcode); |
| 1092 | b82945bc | j_mayer | exit(1);
|
| 1093 | b82945bc | j_mayer | } |
| 1094 | b82945bc | j_mayer | } |
| 1095 | b82945bc | j_mayer | #endif |