correct split between helper.c and op_helper.c - moved some uops to op_helper.c (Jocelyn Mayer)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1504 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-07-04 22:17:05 +00:00
parent 2157fa0682
commit fdabc366bd
5 changed files with 455 additions and 363 deletions

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@ -32,6 +32,15 @@
#define TARGET_HAS_ICE 1
/* XXX: this should be tunable: PowerPC 601 & 64 bits PowerPC
* have different cache line sizes
*/
#define ICACHE_LINE_SIZE 32
#define DCACHE_LINE_SIZE 32
/* XXX: put this in a common place */
#define likely(x) __builtin_expect(!!(x), 1)
/*****************************************************************************/
/* PVR definitions for most known PowerPC */
enum {

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@ -20,8 +20,12 @@
#if !defined (__PPC_H__)
#define __PPC_H__
#include "config.h"
#include "dyngen-exec.h"
#define TARGET_LONG_BITS 32
register struct CPUPPCState *env asm(AREG0);
register uint32_t T0 asm(AREG1);
register uint32_t T1 asm(AREG2);

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@ -17,11 +17,21 @@
* 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"
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <signal.h>
#include <assert.h>
#include "cpu.h"
#include "exec-all.h"
//#define DEBUG_MMU
//#define DEBUG_BATS
//#define DEBUG_EXCEPTIONS
//#define FLUSH_ALL_TLBS
/*****************************************************************************/
/* PowerPC MMU emulation */
@ -394,92 +404,6 @@ target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
}
#endif
#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;
unsigned long 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;
#if 0
{
unsigned long tlb_addrr, tlb_addrw;
int index;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
tlb_addrr = env->tlb_read[is_user][index].address;
tlb_addrw = env->tlb_write[is_user][index].address;
if (loglevel) {
fprintf(logfile,
"%s 1 %p %p idx=%d addr=0x%08lx tbl_addr=0x%08lx 0x%08lx "
"(0x%08lx 0x%08lx)\n", __func__, env,
&env->tlb_read[is_user][index], index, addr,
tlb_addrr, tlb_addrw, addr & TARGET_PAGE_MASK,
tlb_addrr & (TARGET_PAGE_MASK | TLB_INVALID_MASK));
}
}
#endif
ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, is_user, 1);
if (ret) {
if (retaddr) {
/* now we have a real cpu fault */
pc = (unsigned long)retaddr;
tb = tb_find_pc(pc);
if (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);
}
#if 0
{
unsigned long tlb_addrr, tlb_addrw;
int index;
index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
tlb_addrr = env->tlb_read[is_user][index].address;
tlb_addrw = env->tlb_write[is_user][index].address;
printf("%s 2 %p %p idx=%d addr=0x%08lx tbl_addr=0x%08lx 0x%08lx "
"(0x%08lx 0x%08lx)\n", __func__, env,
&env->tlb_read[is_user][index], index, addr,
tlb_addrr, tlb_addrw, addr & TARGET_PAGE_MASK,
tlb_addrr & (TARGET_PAGE_MASK | TLB_INVALID_MASK));
}
#endif
env = saved_env;
}
void cpu_ppc_init_mmu(CPUState *env)
{
/* Nothing to do: all translation are disabled */
}
#endif
/* Perform address translation */
int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
int is_user, int is_softmmu)
@ -576,13 +500,14 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
error_code = EXCP_INVAL | EXCP_INVAL_INVAL;
break;
}
break;
case -5:
/* No match in segment table */
exception = EXCP_DSEG;
error_code = 0;
break;
}
if (rw)
if (exception == EXCP_DSI && rw == 1)
error_code |= 0x02000000;
/* Store fault address */
env->spr[SPR_DAR] = address;
@ -1491,12 +1416,14 @@ void do_interrupt (CPUState *env)
/* Jump to handler */
env->nip = excp;
env->exception_index = EXCP_NONE;
#if 0
/* ensure that no TB jump will be modified as
the program flow was changed */
#ifdef __sparc__
tmp_T0 = 0;
#else
T0 = 0;
#endif
#endif
env->interrupt_request |= CPU_INTERRUPT_EXITTB;
}

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@ -548,16 +548,10 @@ PPC_OP(add)
RETURN();
}
PPC_OP(addo)
void do_addo (void);
void op_addo (void)
{
T2 = T0;
T0 += T1;
if ((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
do_addo();
RETURN();
}
@ -574,53 +568,24 @@ PPC_OP(addc)
RETURN();
}
PPC_OP(addco)
void do_addco (void);
void op_addco (void)
{
T2 = T0;
T0 += T1;
if (T0 < T2) {
xer_ca = 1;
} else {
xer_ca = 0;
}
if ((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
do_addco();
RETURN();
}
/* add extended */
/* candidate for helper (too long) */
PPC_OP(adde)
void do_adde (void);
void op_adde (void)
{
T2 = T0;
T0 += T1 + xer_ca;
if (T0 < T2 || (xer_ca == 1 && T0 == T2)) {
xer_ca = 1;
} else {
xer_ca = 0;
}
RETURN();
do_adde();
}
void do_addeo (void);
PPC_OP(addeo)
{
T2 = T0;
T0 += T1 + xer_ca;
if (T0 < T2 || (xer_ca == 1 && T0 == T2)) {
xer_ca = 1;
} else {
xer_ca = 0;
}
if ((T2 ^ T1 ^ (-1)) & (T2 ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
do_addeo();
RETURN();
}
@ -654,18 +619,10 @@ PPC_OP(addme)
RETURN();
}
PPC_OP(addmeo)
void do_addmeo (void);
void op_addmeo (void)
{
T1 = T0;
T0 += xer_ca + (-1);
if (T1 & (T1 ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
if (T1 != 0)
xer_ca = 1;
do_addmeo();
RETURN();
}
@ -682,26 +639,14 @@ PPC_OP(addze)
RETURN();
}
PPC_OP(addzeo)
void do_addzeo (void);
void op_addzeo (void)
{
T1 = T0;
T0 += xer_ca;
if ((T1 ^ (-1)) & (T1 ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
if (T0 < T1) {
xer_ca = 1;
} else {
xer_ca = 0;
}
do_addzeo();
RETURN();
}
/* divide word */
/* candidate for helper (too long) */
PPC_OP(divw)
{
if ((Ts0 == INT32_MIN && Ts1 == -1) || Ts1 == 0) {
@ -712,16 +657,10 @@ PPC_OP(divw)
RETURN();
}
PPC_OP(divwo)
void do_divwo (void);
void op_divwo (void)
{
if ((Ts0 == INT32_MIN && Ts1 == -1) || Ts1 == 0) {
xer_so = 1;
xer_ov = 1;
T0 = (-1) * (T0 >> 31);
} else {
xer_ov = 0;
T0 = (Ts0 / Ts1);
}
do_divwo();
RETURN();
}
@ -736,16 +675,10 @@ PPC_OP(divwu)
RETURN();
}
PPC_OP(divwuo)
void do_divwuo (void);
void op_divwuo (void)
{
if (T1 == 0) {
xer_so = 1;
xer_ov = 1;
T0 = 0;
} else {
xer_ov = 0;
T0 /= T1;
}
do_divwuo();
RETURN();
}
@ -777,17 +710,10 @@ PPC_OP(mullw)
RETURN();
}
PPC_OP(mullwo)
void do_mullwo (void);
void op_mullwo (void)
{
int64_t res = (int64_t)Ts0 * (int64_t)Ts1;
if ((int32_t)res != res) {
xer_ov = 1;
xer_so = 1;
} else {
xer_ov = 0;
}
T0 = (int32_t)res;
do_mullwo();
RETURN();
}
@ -800,15 +726,10 @@ PPC_OP(neg)
RETURN();
}
PPC_OP(nego)
void do_nego (void);
void op_nego (void)
{
if (T0 == 0x80000000) {
xer_ov = 1;
xer_so = 1;
} else {
xer_ov = 0;
T0 = -Ts0;
}
do_nego();
RETURN();
}
@ -819,16 +740,10 @@ PPC_OP(subf)
RETURN();
}
PPC_OP(subfo)
void do_subfo (void);
void op_subfo (void)
{
T2 = T0;
T0 = T1 - T0;
if (((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
do_subfo();
RETURN();
}
@ -844,52 +759,25 @@ PPC_OP(subfc)
RETURN();
}
PPC_OP(subfco)
void do_subfco (void);
void op_subfco (void)
{
T2 = T0;
T0 = T1 - T0;
if (T0 <= T1) {
xer_ca = 1;
} else {
xer_ca = 0;
}
if (((~T2) ^ T1 ^ (-1)) & ((~T2) ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
do_subfco();
RETURN();
}
/* substract from extended */
/* candidate for helper (too long) */
PPC_OP(subfe)
void do_subfe (void);
void op_subfe (void)
{
T0 = T1 + ~T0 + xer_ca;
if (T0 < T1 || (xer_ca == 1 && T0 == T1)) {
xer_ca = 1;
} else {
xer_ca = 0;
}
do_subfe();
RETURN();
}
void do_subfeo (void);
PPC_OP(subfeo)
{
T2 = T0;
T0 = T1 + ~T0 + xer_ca;
if ((~T2 ^ T1 ^ (-1)) & (~T2 ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
if (T0 < T1 || (xer_ca == 1 && T0 == T1)) {
xer_ca = 1;
} else {
xer_ca = 0;
}
do_subfeo();
RETURN();
}
@ -915,18 +803,10 @@ PPC_OP(subfme)
RETURN();
}
PPC_OP(subfmeo)
void do_subfmeo (void);
void op_subfmeo (void)
{
T1 = T0;
T0 = ~T0 + xer_ca - 1;
if (~T1 & (~T1 ^ T0) & (1 << 31)) {
xer_so = 1;
xer_ov = 1;
} else {
xer_ov = 0;
}
if (T1 != -1)
xer_ca = 1;
do_subfmeo();
RETURN();
}
@ -943,21 +823,10 @@ PPC_OP(subfze)
RETURN();
}
PPC_OP(subfzeo)
void do_subfzeo (void);
void op_subfzeo (void)
{
T1 = T0;
T0 = ~T0 + xer_ca;
if ((~T1 ^ (-1)) & ((~T1) ^ T0) & (1 << 31)) {
xer_ov = 1;
xer_so = 1;
} else {
xer_ov = 0;
}
if (T0 < ~T1) {
xer_ca = 1;
} else {
xer_ca = 0;
}
do_subfzeo();
RETURN();
}
@ -1174,7 +1043,7 @@ PPC_OP(slw)
}
/* shift right algebraic word */
PPC_OP(sraw)
void op_sraw (void)
{
do_sraw();
RETURN();
@ -1227,10 +1096,9 @@ PPC_OP(fmul)
}
/* fdiv - fdiv. */
void do_fdiv (void);
PPC_OP(fdiv)
{
do_fdiv();
FT0 = float64_div(FT0, FT1, &env->fp_status);
RETURN();
}
@ -1331,25 +1199,24 @@ PPC_OP(fcmpo)
/*** Floating-point move ***/
/* fabs */
void do_fabs (void);
PPC_OP(fabs)
{
do_fabs();
FT0 = float64_abs(FT0);
RETURN();
}
/* fnabs */
void do_fnabs (void);
PPC_OP(fnabs)
{
do_fnabs();
FT0 = float64_abs(FT0);
FT0 = float64_chs(FT0);
RETURN();
}
/* fneg */
PPC_OP(fneg)
{
FT0 = -FT0;
FT0 = float64_chs(FT0);
RETURN();
}
@ -1367,40 +1234,30 @@ PPC_OP(fneg)
/* Special op to check and maybe clear reservation */
PPC_OP(check_reservation)
{
do_check_reservation();
if ((uint32_t)env->reserve == (uint32_t)(T0 & ~0x00000003))
env->reserve = -1;
RETURN();
}
/* Return from interrupt */
PPC_OP(rfi)
void do_rfi (void);
void op_rfi (void)
{
env->nip = env->spr[SPR_SRR0] & ~0x00000003;
T0 = env->spr[SPR_SRR1] & ~0xFFFF0000UL;
do_store_msr(env, T0);
env->interrupt_request |= CPU_INTERRUPT_EXITTB;
do_rfi();
RETURN();
}
/* Trap word */
PPC_OP(tw)
void do_tw (uint32_t cmp, int flags);
void op_tw (void)
{
if ((Ts0 < Ts1 && (PARAM(1) & 0x10)) ||
(Ts0 > Ts1 && (PARAM(1) & 0x08)) ||
(Ts0 == Ts1 && (PARAM(1) & 0x04)) ||
(T0 < T1 && (PARAM(1) & 0x02)) ||
(T0 > T1 && (PARAM(1) & 0x01)))
do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP);
do_tw(T1, PARAM(1));
RETURN();
}
PPC_OP(twi)
void op_twi (void)
{
if ((Ts0 < SPARAM(1) && (PARAM(2) & 0x10)) ||
(Ts0 > SPARAM(1) && (PARAM(2) & 0x08)) ||
(Ts0 == SPARAM(1) && (PARAM(2) & 0x04)) ||
(T0 < (uint32_t)SPARAM(1) && (PARAM(2) & 0x02)) ||
(T0 > (uint32_t)SPARAM(1) && (PARAM(2) & 0x01)))
do_raise_exception_err(EXCP_PROGRAM, EXCP_TRAP);
do_tw(PARAM(1), PARAM(2));
RETURN();
}

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@ -29,6 +29,14 @@
#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)
@ -60,29 +68,260 @@ void do_raise_exception (uint32_t exception)
}
/*****************************************************************************/
/* Helpers for "fat" micro operations */
/* 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;
if (T1 & 0x20) {
ret = (-1) * (T0 >> 31);
if (ret < 0 && (T0 & ~0x80000000) != 0)
} else {
xer_ca = 1;
#if 1 // TRY
} else if (T1 == 0) {
}
} else {
ret = T0;
#endif
xer_ca = 0;
}
} else {
ret = (-1) * ((uint32_t)T0 >> 31);
if (likely(ret >= 0 || ((uint32_t)T0 & ~0x80000000UL) == 0)) {
xer_ca = 0;
} else {
ret = (int32_t)T0 >> (T1 & 0x1f);
if (ret < 0 && ((int32_t)T0 & ((1 << T1) - 1)) != 0)
xer_ca = 1;
}
}
T0 = ret;
}
/*****************************************************************************/
/* Floating point operations helpers */
void do_fctiw (void)
{
@ -116,29 +355,23 @@ void do_fctiwz (void)
void do_fnmadd (void)
{
FT0 = (FT0 * FT1) + FT2;
if (!isnan(FT0))
FT0 = -FT0;
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 = (FT0 * FT1) - FT2;
if (!isnan(FT0))
FT0 = -FT0;
}
void do_fdiv (void)
{
if (FT0 == -0.0 && FT1 == -0.0)
FT0 = 0.0 / 0.0;
else
FT0 /= FT1;
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 = sqrt(FT0);
FT0 = float64_sqrt(FT0, &env->fp_status);
}
void do_fres (void)
@ -148,7 +381,7 @@ void do_fres (void)
uint64_t i;
} p;
if (isnormal(FT0)) {
if (likely(isnormal(FT0))) {
FT0 = (float)(1.0 / FT0);
} else {
p.d = FT0;
@ -174,8 +407,9 @@ void do_frsqrte (void)
uint64_t i;
} p;
if (isnormal(FT0) && FT0 > 0.0) {
FT0 = (float)(1.0 / sqrt(FT0));
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) {
@ -204,16 +438,18 @@ void do_fsel (void)
void do_fcmpu (void)
{
if (isnan(FT0) || isnan(FT1)) {
T0 = 0x01;
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;
} else if (FT0 < FT1) {
T0 = 0x08;
} else if (FT0 > FT1) {
T0 = 0x04;
} else {
T0 = 0x02;
}
env->fpscr[3] = T0;
}
@ -221,8 +457,16 @@ void do_fcmpu (void)
void do_fcmpo (void)
{
env->fpscr[4] &= ~0x1;
if (isnan(FT0) || isnan(FT1)) {
T0 = 0x01;
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(...) */) {
@ -232,56 +476,51 @@ void do_fcmpo (void)
} else {
env->fpscr[4] |= 0x8;
}
} else if (FT0 < FT1) {
T0 = 0x08;
} else if (FT0 > FT1) {
T0 = 0x04;
} else {
T0 = 0x02;
}
env->fpscr[3] = T0;
}
void do_fabs (void)
void do_rfi (void)
{
union {
double d;
uint64_t i;
} p;
p.d = FT0;
p.i &= ~0x8000000000000000ULL;
FT0 = p.d;
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_fnabs (void)
void do_tw (uint32_t cmp, int flags)
{
union {
double d;
uint64_t i;
} p;
p.d = FT0;
p.i |= 0x8000000000000000ULL;
FT0 = p.d;
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 */
#define ICACHE_LINE_SIZE 32
void do_check_reservation (void)
{
if ((env->reserve & ~0x03) == T0)
env->reserve = -1;
}
void do_icbi (void)
{
/* Invalidate one cache line */
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)
{
@ -290,6 +529,62 @@ void do_tlbia (void)
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 */