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Scrap SIGN_EXTEND32. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2251 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2006-12-21 13:48:28 +00:00
parent c570fd169c
commit 5dc4b74480
6 changed files with 79 additions and 78 deletions
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12
hw/mips_r4k.c
View File

@ -11,10 +11,14 @@
#define BIOS_FILENAME "mips_bios.bin"
//#define BIOS_FILENAME "system.bin"
#define KERNEL_LOAD_ADDR SIGN_EXTEND32(0x80010000)
#define INITRD_LOAD_ADDR SIGN_EXTEND32(0x80800000)
#define KERNEL_LOAD_ADDR (int32_t)0x80010000
#ifdef MIPS_HAS_MIPS64
#define INITRD_LOAD_ADDR (int64_t)0x80800000
#else
#define INITRD_LOAD_ADDR (int32_t)0x80800000
#endif
#define VIRT_TO_PHYS_ADDEND (-SIGN_EXTEND32(0x80000000LL))
#define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
static const int ide_iobase[2] = { 0x1f0, 0x170 };
static const int ide_iobase2[2] = { 0x3f6, 0x376 };
@ -76,7 +80,7 @@ void load_kernel (CPUState *env, int ram_size, const char *kernel_filename,
kernel_size = load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND, &entry);
if (kernel_size >= 0) {
if ((entry & ~0x7fffffffULL) == 0x80000000)
entry = SIGN_EXTEND32(entry);
entry = (int32_t)entry;
env->PC = entry;
} else {
kernel_size = load_image(kernel_filename,

5
target-mips/cpu.h
View File

@ -15,13 +15,10 @@ typedef unsigned char uint_fast8_t;
typedef unsigned int uint_fast16_t;
#endif
#ifdef MIPS_HAS_MIPS64
#define SIGN_EXTEND32(val) (((((uint64_t)(val)) & 0xFFFFFFFF) ^ 0x80000000) - 0x80000000)
/* target_ulong size spec */
#ifdef MIPS_HAS_MIPS64
#define TLSZ "%016llx"
#else
#define SIGN_EXTEND32(val) (val)
/* target_ulong size spec */
#define TLSZ "%08x"
#endif

20
target-mips/helper.c
View File

@ -86,7 +86,7 @@ static int get_physical_address (CPUState *env, target_ulong *physical,
#endif
if (user_mode && address > 0x7FFFFFFFUL)
return TLBRET_BADADDR;
if (address < SIGN_EXTEND32(0x80000000UL)) {
if (address < (int32_t)0x80000000UL) {
if (!(env->hflags & MIPS_HFLAG_ERL)) {
#ifdef MIPS_USES_R4K_TLB
ret = map_address(env, physical, prot, address, rw, access_type);
@ -98,17 +98,17 @@ static int get_physical_address (CPUState *env, target_ulong *physical,
*physical = address;
*prot = PAGE_READ | PAGE_WRITE;
}
} else if (address < SIGN_EXTEND32(0xA0000000UL)) {
} else if (address < (int32_t)0xA0000000UL) {
/* kseg0 */
/* XXX: check supervisor mode */
*physical = address - SIGN_EXTEND32(0x80000000UL);
*physical = address - (int32_t)0x80000000UL;
*prot = PAGE_READ | PAGE_WRITE;
} else if (address < SIGN_EXTEND32(0xC0000000UL)) {
} else if (address < (int32_t)0xC0000000UL) {
/* kseg1 */
/* XXX: check supervisor mode */
*physical = address - SIGN_EXTEND32(0xA0000000UL);
*physical = address - (int32_t)0xA0000000UL;
*prot = PAGE_READ | PAGE_WRITE;
} else if (address < SIGN_EXTEND32(0xE0000000UL)) {
} else if (address < (int32_t)0xE0000000UL) {
/* kseg2 */
#ifdef MIPS_USES_R4K_TLB
ret = map_address(env, physical, prot, address, rw, access_type);
@ -299,7 +299,7 @@ void do_interrupt (CPUState *env)
enter_debug_mode:
env->hflags |= MIPS_HFLAG_DM;
/* EJTAG probe trap enable is not implemented... */
env->PC = SIGN_EXTEND32(0xBFC00480);
env->PC = (int32_t)0xBFC00480;
break;
case EXCP_RESET:
cpu_reset(env);
@ -321,7 +321,7 @@ void do_interrupt (CPUState *env)
}
env->hflags |= MIPS_HFLAG_ERL;
env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV);
env->PC = SIGN_EXTEND32(0xBFC00000);
env->PC = (int32_t)0xBFC00000;
break;
case EXCP_MCHECK:
cause = 24;
@ -389,9 +389,9 @@ void do_interrupt (CPUState *env)
env->CP0_Cause &= ~0x80000000;
}
if (env->CP0_Status & (1 << CP0St_BEV)) {
env->PC = SIGN_EXTEND32(0xBFC00200);
env->PC = (int32_t)0xBFC00200;
} else {
env->PC = SIGN_EXTEND32(0x80000000);
env->PC = (int32_t)0x80000000;
}
env->hflags |= MIPS_HFLAG_EXL;
env->CP0_Status |= (1 << CP0St_EXL);

102
target-mips/op.c
View File

@ -328,7 +328,7 @@ void op_store_LO (void)
/* Arithmetic */
void op_add (void)
{
T0 = SIGN_EXTEND32((int32_t)T0 + (int32_t)T1);
T0 = (int32_t)((int32_t)T0 + (int32_t)T1);
RETURN();
}
@ -342,13 +342,13 @@ void op_addo (void)
/* operands of same sign, result different sign */
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
}
T0 = SIGN_EXTEND32(T0);
T0 = (int32_t)T0;
RETURN();
}
void op_sub (void)
{
T0 = SIGN_EXTEND32((int32_t)T0 - (int32_t)T1);
T0 = (int32_t)((int32_t)T0 - (int32_t)T1);
RETURN();
}
@ -362,21 +362,21 @@ void op_subo (void)
/* operands of different sign, first operand and result different sign */
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
}
T0 = SIGN_EXTEND32(T0);
T0 = (int32_t)T0;
RETURN();
}
void op_mul (void)
{
T0 = SIGN_EXTEND32((int32_t)T0 * (int32_t)T1);
T0 = (int32_t)((int32_t)T0 * (int32_t)T1);
RETURN();
}
void op_div (void)
{
if (T1 != 0) {
env->LO = SIGN_EXTEND32((int32_t)T0 / (int32_t)T1);
env->HI = SIGN_EXTEND32((int32_t)T0 % (int32_t)T1);
env->LO = (int32_t)((int32_t)T0 / (int32_t)T1);
env->HI = (int32_t)((int32_t)T0 % (int32_t)T1);
}
RETURN();
}
@ -384,8 +384,8 @@ void op_div (void)
void op_divu (void)
{
if (T1 != 0) {
env->LO = SIGN_EXTEND32((uint32_t)T0 / (uint32_t)T1);
env->HI = SIGN_EXTEND32((uint32_t)T0 % (uint32_t)T1);
env->LO = (int32_t)((uint32_t)T0 / (uint32_t)T1);
env->HI = (int32_t)((uint32_t)T0 % (uint32_t)T1);
}
RETURN();
}
@ -497,19 +497,19 @@ void op_xor (void)
void op_sll (void)
{
T0 = SIGN_EXTEND32((uint32_t)T0 << (uint32_t)T1);
T0 = (int32_t)((uint32_t)T0 << (uint32_t)T1);
RETURN();
}
void op_sra (void)
{
T0 = SIGN_EXTEND32((int32_t)T0 >> (uint32_t)T1);
T0 = (int32_t)((int32_t)T0 >> (uint32_t)T1);
RETURN();
}
void op_srl (void)
{
T0 = SIGN_EXTEND32((uint32_t)T0 >> (uint32_t)T1);
T0 = (int32_t)((uint32_t)T0 >> (uint32_t)T1);
RETURN();
}
@ -518,8 +518,8 @@ void op_rotr (void)
target_ulong tmp;
if (T1) {
tmp = SIGN_EXTEND32((uint32_t)T0 << (0x20 - (uint32_t)T1));
T0 = SIGN_EXTEND32((uint32_t)T0 >> (uint32_t)T1) | tmp;
tmp = (int32_t)((uint32_t)T0 << (0x20 - (uint32_t)T1));
T0 = (int32_t)((uint32_t)T0 >> (uint32_t)T1) | tmp;
} else
T0 = T1;
RETURN();
@ -527,19 +527,19 @@ void op_rotr (void)
void op_sllv (void)
{
T0 = SIGN_EXTEND32((uint32_t)T1 << ((uint32_t)T0 & 0x1F));
T0 = (int32_t)((uint32_t)T1 << ((uint32_t)T0 & 0x1F));
RETURN();
}
void op_srav (void)
{
T0 = SIGN_EXTEND32((int32_t)T1 >> (T0 & 0x1F));
T0 = (int32_t)((int32_t)T1 >> (T0 & 0x1F));
RETURN();
}
void op_srlv (void)
{
T0 = SIGN_EXTEND32((uint32_t)T1 >> (T0 & 0x1F));
T0 = (int32_t)((uint32_t)T1 >> (T0 & 0x1F));
RETURN();
}
@ -549,8 +549,8 @@ void op_rotrv (void)
T0 &= 0x1F;
if (T0) {
tmp = SIGN_EXTEND32((uint32_t)T1 << (0x20 - T0));
T0 = SIGN_EXTEND32((uint32_t)T1 >> T0) | tmp;
tmp = (int32_t)((uint32_t)T1 << (0x20 - T0));
T0 = (int32_t)((uint32_t)T1 >> T0) | tmp;
} else
T0 = T1;
RETURN();
@ -842,8 +842,8 @@ static inline uint64_t get_HILO (void)
static inline void set_HILO (uint64_t HILO)
{
env->LO = SIGN_EXTEND32(HILO & 0xFFFFFFFF);
env->HI = SIGN_EXTEND32(HILO >> 32);
env->LO = (int32_t)(HILO & 0xFFFFFFFF);
env->HI = (int32_t)(HILO >> 32);
}
void op_mult (void)
@ -1032,7 +1032,7 @@ void op_jnz_T2 (void)
/* CP0 functions */
void op_mfc0_index (void)
{
T0 = SIGN_EXTEND32(env->CP0_index);
T0 = (int32_t)(env->CP0_index);
RETURN();
}
@ -1062,25 +1062,25 @@ void op_mfc0_context (void)
void op_mfc0_pagemask (void)
{
T0 = SIGN_EXTEND32(env->CP0_PageMask);
T0 = (int32_t)env->CP0_PageMask;
RETURN();
}
void op_mfc0_pagegrain (void)
{
T0 = SIGN_EXTEND32(env->CP0_PageGrain);
T0 = (int32_t)env->CP0_PageGrain;
RETURN();
}
void op_mfc0_wired (void)
{
T0 = SIGN_EXTEND32(env->CP0_Wired);
T0 = (int32_t)env->CP0_Wired;
RETURN();
}
void op_mfc0_hwrena (void)
{
T0 = SIGN_EXTEND32(env->CP0_HWREna);
T0 = (int32_t)env->CP0_HWREna;
RETURN();
}
@ -1104,13 +1104,13 @@ void op_mfc0_entryhi (void)
void op_mfc0_compare (void)
{
T0 = SIGN_EXTEND32(env->CP0_Compare);
T0 = (int32_t)env->CP0_Compare;
RETURN();
}
void op_mfc0_status (void)
{
T0 = SIGN_EXTEND32(env->CP0_Status);
T0 = (int32_t)env->CP0_Status;
if (env->hflags & MIPS_HFLAG_UM)
T0 |= (1 << CP0St_UM);
if (env->hflags & MIPS_HFLAG_ERL)
@ -1122,19 +1122,19 @@ void op_mfc0_status (void)
void op_mfc0_intctl (void)
{
T0 = SIGN_EXTEND32(env->CP0_IntCtl);
T0 = (int32_t)env->CP0_IntCtl;
RETURN();
}
void op_mfc0_srsctl (void)
{
T0 = SIGN_EXTEND32(env->CP0_SRSCtl);
T0 = (int32_t)env->CP0_SRSCtl;
RETURN();
}
void op_mfc0_cause (void)
{
T0 = SIGN_EXTEND32(env->CP0_Cause);
T0 = (int32_t)env->CP0_Cause;
RETURN();
}
@ -1146,7 +1146,7 @@ void op_mfc0_epc (void)
void op_mfc0_prid (void)
{
T0 = SIGN_EXTEND32(env->CP0_PRid);
T0 = (int32_t)env->CP0_PRid;
RETURN();
}
@ -1158,25 +1158,25 @@ void op_mfc0_ebase (void)
void op_mfc0_config0 (void)
{
T0 = SIGN_EXTEND32(env->CP0_Config0);
T0 = (int32_t)env->CP0_Config0;
RETURN();
}
void op_mfc0_config1 (void)
{
T0 = SIGN_EXTEND32(env->CP0_Config1);
T0 = (int32_t)env->CP0_Config1;
RETURN();
}
void op_mfc0_config2 (void)
{
T0 = SIGN_EXTEND32(env->CP0_Config2);
T0 = (int32_t)env->CP0_Config2;
RETURN();
}
void op_mfc0_config3 (void)
{
T0 = SIGN_EXTEND32(env->CP0_Config3);
T0 = (int32_t)env->CP0_Config3;
RETURN();
}
@ -1188,13 +1188,13 @@ void op_mfc0_lladdr (void)
void op_mfc0_watchlo0 (void)
{
T0 = SIGN_EXTEND32(env->CP0_WatchLo);
T0 = (int32_t)env->CP0_WatchLo;
RETURN();
}
void op_mfc0_watchhi0 (void)
{
T0 = SIGN_EXTEND32(env->CP0_WatchHi);
T0 = (int32_t)env->CP0_WatchHi;
RETURN();
}
@ -1212,7 +1212,7 @@ void op_mfc0_framemask (void)
void op_mfc0_debug (void)
{
T0 = SIGN_EXTEND32(env->CP0_Debug);
T0 = (int32_t)env->CP0_Debug;
if (env->hflags & MIPS_HFLAG_DM)
T0 |= 1 << CP0DB_DM;
RETURN();
@ -1226,31 +1226,31 @@ void op_mfc0_depc (void)
void op_mfc0_performance0 (void)
{
T0 = SIGN_EXTEND32(env->CP0_Performance0);
T0 = (int32_t)env->CP0_Performance0;
RETURN();
}
void op_mfc0_taglo (void)
{
T0 = SIGN_EXTEND32(env->CP0_TagLo);
T0 = (int32_t)env->CP0_TagLo;
RETURN();
}
void op_mfc0_datalo (void)
{
T0 = SIGN_EXTEND32(env->CP0_DataLo);
T0 = (int32_t)env->CP0_DataLo;
RETURN();
}
void op_mfc0_taghi (void)
{
T0 = SIGN_EXTEND32(env->CP0_TagHi);
T0 = (int32_t)env->CP0_TagHi;
RETURN();
}
void op_mfc0_datahi (void)
{
T0 = SIGN_EXTEND32(env->CP0_DataHi);
T0 = (int32_t)env->CP0_DataHi;
RETURN();
}
@ -1262,7 +1262,7 @@ void op_mfc0_errorepc (void)
void op_mfc0_desave (void)
{
T0 = SIGN_EXTEND32(env->CP0_DESAVE);
T0 = (int32_t)env->CP0_DESAVE;
RETURN();
}
@ -1276,7 +1276,7 @@ void op_mtc0_entrylo0 (void)
{
/* Large physaddr not implemented */
/* 1k pages not implemented */
env->CP0_EntryLo0 = T0 & SIGN_EXTEND32(0x3FFFFFFFUL);
env->CP0_EntryLo0 = T0 & (int32_t)0x3FFFFFFF;
RETURN();
}
@ -1284,7 +1284,7 @@ void op_mtc0_entrylo1 (void)
{
/* Large physaddr not implemented */
/* 1k pages not implemented */
env->CP0_EntryLo1 = T0 & SIGN_EXTEND32(0x3FFFFFFFUL);
env->CP0_EntryLo1 = T0 & (int32_t)0x3FFFFFFF;
RETURN();
}
@ -1334,7 +1334,7 @@ void op_mtc0_entryhi (void)
/* 1k pages not implemented */
/* Ignore MIPS64 TLB for now */
val = T0 & SIGN_EXTEND32(0xFFFFE0FF);
val = T0 & (int32_t)0xFFFFE0FF;
old = env->CP0_EntryHi;
env->CP0_EntryHi = val;
/* If the ASID changes, flush qemu's TLB. */
@ -1353,7 +1353,7 @@ void op_mtc0_status (void)
{
uint32_t val, old, mask;
val = T0 & SIGN_EXTEND32(0xFA78FF01);
val = T0 & (int32_t)0xFA78FF01;
old = env->CP0_Status;
if (T0 & (1 << CP0St_UM))
env->hflags |= MIPS_HFLAG_UM;
@ -1431,7 +1431,7 @@ void op_mtc0_ebase (void)
{
/* vectored interrupts not implemented */
/* Multi-CPU not implemented */
env->CP0_EBase = SIGN_EXTEND32(0x80000000) | (T0 & 0x3FFFF000);
env->CP0_EBase = (int32_t)0x80000000 | (T0 & 0x3FFFF000);
RETURN();
}
@ -1501,7 +1501,7 @@ void op_mtc0_performance0 (void)
void op_mtc0_taglo (void)
{
env->CP0_TagLo = T0 & SIGN_EXTEND32(0xFFFFFCF6);
env->CP0_TagLo = T0 & (int32_t)0xFFFFFCF6;
RETURN();
}

12
target-mips/op_helper.c
View File

@ -167,8 +167,8 @@ static inline uint64_t get_HILO (void)
static inline void set_HILO (uint64_t HILO)
{
env->LO = SIGN_EXTEND32(HILO & 0xFFFFFFFF);
env->HI = SIGN_EXTEND32(HILO >> 32);
env->LO = (int32_t)(HILO & 0xFFFFFFFF);
env->HI = (int32_t)(HILO >> 32);
}
void do_mult (void)
@ -305,12 +305,12 @@ void cpu_mips_tlb_flush (CPUState *env, int flush_global)
/* CP0 helpers */
void do_mfc0_random (void)
{
T0 = SIGN_EXTEND32(cpu_mips_get_random(env));
T0 = (int32_t)cpu_mips_get_random(env);
}
void do_mfc0_count (void)
{
T0 = SIGN_EXTEND32(cpu_mips_get_count(env));
T0 = (int32_t)cpu_mips_get_count(env);
}
void do_mtc0_status_debug(uint32_t old, uint32_t val)
@ -433,7 +433,7 @@ static void fill_tlb (int idx)
/* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
tlb = &env->tlb[idx];
tlb->VPN = env->CP0_EntryHi & SIGN_EXTEND32(0xFFFFE000);
tlb->VPN = env->CP0_EntryHi & (int32_t)0xFFFFE000;
tlb->ASID = env->CP0_EntryHi & 0xFF;
size = env->CP0_PageMask >> 13;
size = 4 * (size + 1);
@ -478,7 +478,7 @@ void do_tlbp (void)
uint8_t ASID;
int i;
tag = env->CP0_EntryHi & SIGN_EXTEND32(0xFFFFE000);
tag = env->CP0_EntryHi & (int32_t)0xFFFFE000;
ASID = env->CP0_EntryHi & 0xFF;
for (i = 0; i < MIPS_TLB_NB; i++) {
tlb = &env->tlb[i];

6
target-mips/translate.c
View File

@ -1420,7 +1420,7 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
case OPC_J:
case OPC_JAL:
/* Jump to immediate */
btarget = ((ctx->pc + 4) & SIGN_EXTEND32(0xF0000000)) | offset;
btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | offset;
break;
case OPC_JR:
case OPC_JALR:
@ -4097,14 +4097,14 @@ void cpu_reset (CPUMIPSState *env)
} else {
env->CP0_ErrorEPC = env->PC;
}
env->PC = SIGN_EXTEND32(0xBFC00000);
env->PC = (int32_t)0xBFC00000;
#if defined (MIPS_USES_R4K_TLB)
env->CP0_random = MIPS_TLB_NB - 1;
env->tlb_in_use = MIPS_TLB_NB;
#endif
env->CP0_Wired = 0;
/* SMP not implemented */
env->CP0_EBase = SIGN_EXTEND32(0x80000000);
env->CP0_EBase = (int32_t)0x80000000;
env->CP0_Config0 = MIPS_CONFIG0;
env->CP0_Config1 = MIPS_CONFIG1;
env->CP0_Config2 = MIPS_CONFIG2;