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-rw-r--r--target-ppc/op_helper.c589
1 files changed, 0 insertions, 589 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
deleted file mode 100644
index e949eb4..0000000
--- a/target-ppc/op_helper.c
+++ /dev/null
@@ -1,589 +0,0 @@
-/*
- * PowerPC emulation helpers for qemu.
- *
- * Copyright (c) 2003-2005 Jocelyn Mayer
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include "exec.h"
-
-#define MEMSUFFIX _raw
-#include "op_helper_mem.h"
-#if !defined(CONFIG_USER_ONLY)
-#define MEMSUFFIX _user
-#include "op_helper_mem.h"
-#define MEMSUFFIX _kernel
-#include "op_helper_mem.h"
-#endif
-
-//#define DEBUG_OP
-//#define DEBUG_EXCEPTIONS
-//#define FLUSH_ALL_TLBS
-
-#define Ts0 (long)((target_long)T0)
-#define Ts1 (long)((target_long)T1)
-#define Ts2 (long)((target_long)T2)
-
-/*****************************************************************************/
-/* Exceptions processing helpers */
-void cpu_loop_exit(void)
-{
- longjmp(env->jmp_env, 1);
-}
-
-void do_raise_exception_err (uint32_t exception, int error_code)
-{
-#if 0
- printf("Raise exception %3x code : %d\n", exception, error_code);
-#endif
- switch (exception) {
- case EXCP_PROGRAM:
- if (error_code == EXCP_FP && msr_fe0 == 0 && msr_fe1 == 0)
- return;
- break;
- default:
- break;
-}
- env->exception_index = exception;
- env->error_code = error_code;
- cpu_loop_exit();
- }
-
-void do_raise_exception (uint32_t exception)
-{
- do_raise_exception_err(exception, 0);
-}
-
-/*****************************************************************************/
-/* Fixed point operations helpers */
-void do_addo (void)
-{
- T2 = T0;
- T0 += T1;
- if (likely(!((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
-}
-
-void do_addco (void)
-{
- T2 = T0;
- T0 += T1;
- if (likely(T0 >= T2)) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
- if (likely(!((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
-}
-
-void do_adde (void)
-{
- T2 = T0;
- T0 += T1 + xer_ca;
- if (likely(!(T0 < T2 || (xer_ca == 1 && T0 == T2)))) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
-}
-
-void do_addeo (void)
-{
- T2 = T0;
- T0 += T1 + xer_ca;
- if (likely(!(T0 < T2 || (xer_ca == 1 && T0 == T2)))) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
- if (likely(!((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
-}
-
-void do_addmeo (void)
-{
- T1 = T0;
- T0 += xer_ca + (-1);
- if (likely(!(T1 & (T1 ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
- if (likely(T1 != 0))
- xer_ca = 1;
-}
-
-void do_addzeo (void)
-{
- T1 = T0;
- T0 += xer_ca;
- if (likely(!((T1 ^ (-1)) & (T1 ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
- if (likely(T0 >= T1)) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
-}
-
-void do_divwo (void)
-{
- if (likely(!((Ts0 == INT32_MIN && Ts1 == -1) || Ts1 == 0))) {
- xer_ov = 0;
- T0 = (Ts0 / Ts1);
- } else {
- xer_so = 1;
- xer_ov = 1;
- T0 = (-1) * ((uint32_t)T0 >> 31);
- }
-}
-
-void do_divwuo (void)
-{
- if (likely((uint32_t)T1 != 0)) {
- xer_ov = 0;
- T0 = (uint32_t)T0 / (uint32_t)T1;
- } else {
- xer_so = 1;
- xer_ov = 1;
- T0 = 0;
- }
-}
-
-void do_mullwo (void)
-{
- int64_t res = (int64_t)Ts0 * (int64_t)Ts1;
-
- if (likely((int32_t)res == res)) {
- xer_ov = 0;
- } else {
- xer_ov = 1;
- xer_so = 1;
- }
- T0 = (int32_t)res;
-}
-
-void do_nego (void)
-{
- if (likely(T0 != INT32_MIN)) {
- xer_ov = 0;
- T0 = -Ts0;
- } else {
- xer_ov = 1;
- xer_so = 1;
- }
-}
-
-void do_subfo (void)
-{
- T2 = T0;
- T0 = T1 - T0;
- if (likely(!(((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
- RETURN();
-}
-
-void do_subfco (void)
-{
- T2 = T0;
- T0 = T1 - T0;
- if (likely(T0 > T1)) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
- if (likely(!(((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
-}
-
-void do_subfe (void)
-{
- T0 = T1 + ~T0 + xer_ca;
- if (likely(T0 >= T1 && (xer_ca == 0 || T0 != T1))) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
-}
-
-void do_subfeo (void)
-{
- T2 = T0;
- T0 = T1 + ~T0 + xer_ca;
- if (likely(!((~T2 ^ T1 ^ (-1)) & (~T2 ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
- if (likely(T0 >= T1 && (xer_ca == 0 || T0 != T1))) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
-}
-
-void do_subfmeo (void)
-{
- T1 = T0;
- T0 = ~T0 + xer_ca - 1;
- if (likely(!(~T1 & (~T1 ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_so = 1;
- xer_ov = 1;
- }
- if (likely(T1 != -1))
- xer_ca = 1;
-}
-
-void do_subfzeo (void)
-{
- T1 = T0;
- T0 = ~T0 + xer_ca;
- if (likely(!((~T1 ^ (-1)) & ((~T1) ^ T0) & (1 << 31)))) {
- xer_ov = 0;
- } else {
- xer_ov = 1;
- xer_so = 1;
- }
- if (likely(T0 >= ~T1)) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
-}
-
-/* shift right arithmetic helper */
-void do_sraw (void)
-{
- int32_t ret;
-
- if (likely(!(T1 & 0x20UL))) {
- if (likely(T1 != 0)) {
- ret = (int32_t)T0 >> (T1 & 0x1fUL);
- if (likely(ret >= 0 || ((int32_t)T0 & ((1 << T1) - 1)) == 0)) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
- } else {
- ret = T0;
- xer_ca = 0;
- }
- } else {
- ret = (-1) * ((uint32_t)T0 >> 31);
- if (likely(ret >= 0 || ((uint32_t)T0 & ~0x80000000UL) == 0)) {
- xer_ca = 0;
- } else {
- xer_ca = 1;
- }
- }
- T0 = ret;
-}
-
-/*****************************************************************************/
-/* Floating point operations helpers */
-void do_fctiw (void)
-{
- union {
- double d;
- uint64_t i;
- } p;
-
- /* XXX: higher bits are not supposed to be significant.
- * to make tests easier, return the same as a real PowerPC 750 (aka G3)
- */
- p.i = float64_to_int32(FT0, &env->fp_status);
- p.i |= 0xFFF80000ULL << 32;
- FT0 = p.d;
-}
-
-void do_fctiwz (void)
-{
- union {
- double d;
- uint64_t i;
- } p;
-
- /* XXX: higher bits are not supposed to be significant.
- * to make tests easier, return the same as a real PowerPC 750 (aka G3)
- */
- p.i = float64_to_int32_round_to_zero(FT0, &env->fp_status);
- p.i |= 0xFFF80000ULL << 32;
- FT0 = p.d;
-}
-
-void do_fnmadd (void)
-{
- FT0 = float64_mul(FT0, FT1, &env->fp_status);
- FT0 = float64_add(FT0, FT2, &env->fp_status);
- if (likely(!isnan(FT0)))
- FT0 = float64_chs(FT0);
-}
-
-void do_fnmsub (void)
-{
- FT0 = float64_mul(FT0, FT1, &env->fp_status);
- FT0 = float64_sub(FT0, FT2, &env->fp_status);
- if (likely(!isnan(FT0)))
- FT0 = float64_chs(FT0);
-}
-
-void do_fsqrt (void)
-{
- FT0 = float64_sqrt(FT0, &env->fp_status);
-}
-
-void do_fres (void)
-{
- union {
- double d;
- uint64_t i;
- } p;
-
- if (likely(isnormal(FT0))) {
- FT0 = (float)(1.0 / FT0);
- } else {
- p.d = FT0;
- if (p.i == 0x8000000000000000ULL) {
- p.i = 0xFFF0000000000000ULL;
- } else if (p.i == 0x0000000000000000ULL) {
- p.i = 0x7FF0000000000000ULL;
- } else if (isnan(FT0)) {
- p.i = 0x7FF8000000000000ULL;
- } else if (FT0 < 0.0) {
- p.i = 0x8000000000000000ULL;
- } else {
- p.i = 0x0000000000000000ULL;
- }
- FT0 = p.d;
- }
-}
-
-void do_frsqrte (void)
-{
- union {
- double d;
- uint64_t i;
- } p;
-
- if (likely(isnormal(FT0) && FT0 > 0.0)) {
- FT0 = float64_sqrt(FT0, &env->fp_status);
- FT0 = float32_div(1.0, FT0, &env->fp_status);
- } else {
- p.d = FT0;
- if (p.i == 0x8000000000000000ULL) {
- p.i = 0xFFF0000000000000ULL;
- } else if (p.i == 0x0000000000000000ULL) {
- p.i = 0x7FF0000000000000ULL;
- } else if (isnan(FT0)) {
- if (!(p.i & 0x0008000000000000ULL))
- p.i |= 0x000FFFFFFFFFFFFFULL;
- } else if (FT0 < 0) {
- p.i = 0x7FF8000000000000ULL;
- } else {
- p.i = 0x0000000000000000ULL;
- }
- FT0 = p.d;
- }
-}
-
-void do_fsel (void)
-{
- if (FT0 >= 0)
- FT0 = FT1;
- else
- FT0 = FT2;
-}
-
-void do_fcmpu (void)
-{
- if (likely(!isnan(FT0) && !isnan(FT1))) {
- if (float64_lt(FT0, FT1, &env->fp_status)) {
- T0 = 0x08UL;
- } else if (!float64_le(FT0, FT1, &env->fp_status)) {
- T0 = 0x04UL;
- } else {
- T0 = 0x02UL;
- }
- } else {
- T0 = 0x01UL;
- env->fpscr[4] |= 0x1;
- env->fpscr[6] |= 0x1;
- }
- env->fpscr[3] = T0;
-}
-
-void do_fcmpo (void)
-{
- env->fpscr[4] &= ~0x1;
- if (likely(!isnan(FT0) && !isnan(FT1))) {
- if (float64_lt(FT0, FT1, &env->fp_status)) {
- T0 = 0x08UL;
- } else if (!float64_le(FT0, FT1, &env->fp_status)) {
- T0 = 0x04UL;
- } else {
- T0 = 0x02UL;
- }
- } else {
- T0 = 0x01UL;
- env->fpscr[4] |= 0x1;
- /* I don't know how to test "quiet" nan... */
- if (0 /* || ! quiet_nan(...) */) {
- env->fpscr[6] |= 0x1;
- if (!(env->fpscr[1] & 0x8))
- env->fpscr[4] |= 0x8;
- } else {
- env->fpscr[4] |= 0x8;
- }
- }
- env->fpscr[3] = T0;
-}
-
-void do_rfi (void)
-{
- env->nip = env->spr[SPR_SRR0] & ~0x00000003;
- T0 = env->spr[SPR_SRR1] & ~0xFFFF0000UL;
- do_store_msr(env, T0);
-#if defined (DEBUG_OP)
- dump_rfi();
-#endif
- env->interrupt_request |= CPU_INTERRUPT_EXITTB;
-}
-
-void do_tw (uint32_t cmp, int flags)
-{
- if (!likely(!((Ts0 < (int32_t)cmp && (flags & 0x10)) ||
- (Ts0 > (int32_t)cmp && (flags & 0x08)) ||
- (Ts0 == (int32_t)cmp && (flags & 0x04)) ||
- (T0 < cmp && (flags & 0x02)) ||
- (T0 > cmp && (flags & 0x01)))))
- do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP);
-}
-
-/* Instruction cache invalidation helper */
-void do_icbi (void)
-{
- uint32_t tmp;
- /* Invalidate one cache line :
- * PowerPC specification says this is to be treated like a load
- * (not a fetch) by the MMU. To be sure it will be so,
- * do the load "by hand".
- */
-#if defined(TARGET_PPC64)
- if (!msr_sf)
- T0 &= 0xFFFFFFFFULL;
-#endif
- tmp = ldl_kernel(T0);
- T0 &= ~(ICACHE_LINE_SIZE - 1);
- tb_invalidate_page_range(T0, T0 + ICACHE_LINE_SIZE);
-}
-
-/*****************************************************************************/
-/* MMU related helpers */
-/* TLB invalidation helpers */
-void do_tlbia (void)
-{
- tlb_flush(env, 1);
-}
-
-void do_tlbie (void)
-{
-#if !defined(FLUSH_ALL_TLBS)
- tlb_flush_page(env, T0);
-#else
- do_tlbia();
-#endif
-}
-
-/*****************************************************************************/
-/* Softmmu support */
-#if !defined (CONFIG_USER_ONLY)
-
-#define MMUSUFFIX _mmu
-#define GETPC() (__builtin_return_address(0))
-
-#define SHIFT 0
-#include "softmmu_template.h"
-
-#define SHIFT 1
-#include "softmmu_template.h"
-
-#define SHIFT 2
-#include "softmmu_template.h"
-
-#define SHIFT 3
-#include "softmmu_template.h"
-
-/* try to fill the TLB and return an exception if error. If retaddr is
- NULL, it means that the function was called in C code (i.e. not
- from generated code or from helper.c) */
-/* XXX: fix it to restore all registers */
-void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr)
-{
- TranslationBlock *tb;
- CPUState *saved_env;
- target_phys_addr_t pc;
- int ret;
-
- /* XXX: hack to restore env in all cases, even if not called from
- generated code */
- saved_env = env;
- env = cpu_single_env;
- ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, is_user, 1);
- if (!likely(ret == 0)) {
- if (likely(retaddr)) {
- /* now we have a real cpu fault */
- pc = (target_phys_addr_t)retaddr;
- tb = tb_find_pc(pc);
- if (likely(tb)) {
- /* the PC is inside the translated code. It means that we have
- a virtual CPU fault */
- cpu_restore_state(tb, env, pc, NULL);
-}
- }
- do_raise_exception_err(env->exception_index, env->error_code);
- }
- env = saved_env;
-}
-#endif /* !CONFIG_USER_ONLY */
-
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