#define BIOS_FILENAME "mips_bios.bin"
//#define BIOS_FILENAME "system.bin"
-#define KERNEL_LOAD_ADDR 0x80010000
-#define INITRD_LOAD_ADDR 0x80800000
+#define KERNEL_LOAD_ADDR SIGN_EXTEND32(0x80010000)
+#define INITRD_LOAD_ADDR SIGN_EXTEND32(0x80800000)
-#define VIRT_TO_PHYS_ADDEND (-0x80000000LL)
+#define VIRT_TO_PHYS_ADDEND (-SIGN_EXTEND32(0x80000000LL))
static const int ide_iobase[2] = { 0x1f0, 0x170 };
static const int ide_iobase2[2] = { 0x3f6, 0x376 };
long kernel_size, initrd_size;
kernel_size = load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND, &entry);
- if (kernel_size >= 0)
+ if (kernel_size >= 0) {
+ if ((entry & ~0x7fffffffULL) == 0x80000000)
+ entry = SIGN_EXTEND32(entry);
env->PC = entry;
- else {
+ } else {
kernel_size = load_image(kernel_filename,
phys_ram_base + KERNEL_LOAD_ADDR + VIRT_TO_PHYS_ADDEND);
if (kernel_size < 0) {
if (initrd_size > 0) {
int ret;
ret = sprintf(phys_ram_base + (16 << 20) - 256,
- "rd_start=0x%08x rd_size=%li ",
+ "rd_start=0x" TLSZ " rd_size=%li ",
INITRD_LOAD_ADDR,
initrd_size);
strcpy (phys_ram_base + (16 << 20) - 256 + ret, kernel_cmdline);
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 */
+#define TLSZ "%016llx"
+#else
+#define SIGN_EXTEND32(val) (val)
+/* target_ulong size spec */
+#define TLSZ "%08x"
+#endif
+
typedef union fpr_t fpr_t;
union fpr_t {
float64 fd; /* ieee double precision */
target_ulong gpr[32];
/* Special registers */
target_ulong PC;
- uint32_t HI, LO;
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+ target_ulong t0;
+ target_ulong t1;
+ target_ulong t2;
+#endif
+ target_ulong HI, LO;
uint32_t DCR; /* ? */
#if defined(MIPS_USES_FPU)
/* Floating point registers */
uint32_t CP0_PageGrain;
uint32_t CP0_Wired;
uint32_t CP0_HWREna;
- uint32_t CP0_BadVAddr;
+ target_ulong CP0_BadVAddr;
uint32_t CP0_Count;
uint64_t CP0_EntryHi;
uint32_t CP0_Compare;
#define CP0Ca_WP 22
#define CP0Ca_IP 8
#define CP0Ca_EC 2
- uint32_t CP0_EPC;
+ target_ulong CP0_EPC;
uint32_t CP0_PRid;
- uint32_t CP0_EBase;
+ target_ulong CP0_EBase;
uint32_t CP0_Config0;
#define CP0C0_M 31
#define CP0C0_K23 28
#define CP0C3_MT 2
#define CP0C3_SM 1
#define CP0C3_TL 0
- uint32_t CP0_LLAddr;
+ target_ulong CP0_LLAddr;
uint32_t CP0_WatchLo;
uint32_t CP0_WatchHi;
uint32_t CP0_XContext;
#define CP0DB_DDBL 2
#define CP0DB_DBp 1
#define CP0DB_DSS 0
- uint32_t CP0_DEPC;
+ target_ulong CP0_DEPC;
uint32_t CP0_Performance0;
uint32_t CP0_TagLo;
uint32_t CP0_DataLo;
uint32_t CP0_TagHi;
uint32_t CP0_DataHi;
- uint32_t CP0_ErrorEPC;
+ target_ulong CP0_ErrorEPC;
uint32_t CP0_DESAVE;
/* Qemu */
int interrupt_request;
//#define DEBUG_OP
+#include "config.h"
#include "mips-defs.h"
#include "dyngen-exec.h"
typedef uint32_t host_uint_t;
#endif
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+#define T0 (env->t0)
+#define T1 (env->t1)
+#define T2 (env->t2)
+#else
register host_uint_t T0 asm(AREG1);
register host_uint_t T1 asm(AREG2);
register host_uint_t T2 asm(AREG3);
+#endif
#if defined (USE_HOST_FLOAT_REGS)
#error "implement me."
{
}
-#if (HOST_LONG_BITS == 32)
+#ifdef MIPS_HAS_MIPS64
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+void do_dsll (void);
+void do_dsll32 (void);
+void do_dsra (void);
+void do_dsra32 (void);
+void do_dsrl (void);
+void do_dsrl32 (void);
+void do_drotr (void);
+void do_drotr32 (void);
+void do_dsllv (void);
+void do_dsrav (void);
+void do_dsrlv (void);
+void do_drotrv (void);
+#endif
+#endif
+
+#if TARGET_LONG_BITS > HOST_LONG_BITS
void do_mult (void);
void do_multu (void);
void do_madd (void);
void do_maddu (void);
void do_msub (void);
void do_msubu (void);
+void do_ddiv (void);
+void do_ddivu (void);
+#endif
+#ifdef MIPS_HAS_MIPS64
+void do_dmult (void);
+void do_dmultu (void);
#endif
void do_mfc0_random(void);
void do_mfc0_count(void);
void do_lwr_raw (uint32_t);
uint32_t do_swl_raw (uint32_t);
uint32_t do_swr_raw (uint32_t);
+#ifdef MIPS_HAS_MIPS64
+void do_ldl_raw (uint64_t);
+void do_ldr_raw (uint64_t);
+uint64_t do_sdl_raw (uint64_t);
+uint64_t do_sdr_raw (uint64_t);
+#endif
#if !defined(CONFIG_USER_ONLY)
void do_lwl_user (uint32_t);
void do_lwl_kernel (uint32_t);
uint32_t do_swl_kernel (uint32_t);
uint32_t do_swr_user (uint32_t);
uint32_t do_swr_kernel (uint32_t);
+#ifdef MIPS_HAS_MIPS64
+void do_ldl_user (uint64_t);
+void do_ldl_kernel (uint64_t);
+void do_ldr_user (uint64_t);
+void do_ldr_kernel (uint64_t);
+uint64_t do_sdl_user (uint64_t);
+uint64_t do_sdl_kernel (uint64_t);
+uint64_t do_sdr_user (uint64_t);
+uint64_t do_sdr_kernel (uint64_t);
+#endif
#endif
void do_pmon (int function);
SET_RESET(DT1, _DT1)
SET_RESET(DT2, _DT2)
+#undef SET_RESET
#endif
#endif
if (user_mode && address > 0x7FFFFFFFUL)
return TLBRET_BADADDR;
- if (address < 0x80000000UL) {
+ if (address < SIGN_EXTEND32(0x80000000UL)) {
if (!(env->hflags & MIPS_HFLAG_ERL)) {
#ifdef MIPS_USES_R4K_TLB
ret = map_address(env, physical, prot, address, rw, access_type);
*physical = address;
*prot = PAGE_READ | PAGE_WRITE;
}
- } else if (address < 0xA0000000UL) {
+ } else if (address < SIGN_EXTEND32(0xA0000000UL)) {
/* kseg0 */
/* XXX: check supervisor mode */
- *physical = address - 0x80000000UL;
+ *physical = address - SIGN_EXTEND32(0x80000000UL);
*prot = PAGE_READ | PAGE_WRITE;
- } else if (address < 0xC0000000UL) {
+ } else if (address < SIGN_EXTEND32(0xC0000000UL)) {
/* kseg1 */
/* XXX: check supervisor mode */
- *physical = address - 0xA0000000UL;
+ *physical = address - SIGN_EXTEND32(0xA0000000UL);
*prot = PAGE_READ | PAGE_WRITE;
- } else if (address < 0xE0000000UL) {
+ } else if (address < SIGN_EXTEND32(0xE0000000UL)) {
/* kseg2 */
#ifdef MIPS_USES_R4K_TLB
ret = map_address(env, physical, prot, address, rw, access_type);
}
#if 0
if (logfile) {
- fprintf(logfile, "%08x %d %d => %08x %d (%d)\n", address, rw,
- access_type, *physical, *prot, ret);
+ fprintf(logfile, TLSZ " %d %d => " TLSZ " %d (%d)\n",
+ address, rw, access_type, *physical, *prot, ret);
}
#endif
#if 0
cpu_dump_state(env, logfile, fprintf, 0);
#endif
- fprintf(logfile, "%s pc %08x ad %08x rw %d is_user %d smmu %d\n",
+ fprintf(logfile, "%s pc " TLSZ " ad " TLSZ " rw %d is_user %d smmu %d\n",
__func__, env->PC, address, rw, is_user, is_softmmu);
}
ret = get_physical_address(env, &physical, &prot,
address, rw, access_type);
if (logfile) {
- fprintf(logfile, "%s address=%08x ret %d physical %08x prot %d\n",
+ fprintf(logfile, "%s address=" TLSZ " ret %d physical " TLSZ " prot %d\n",
__func__, address, ret, physical, prot);
}
if (ret == TLBRET_MATCH) {
int cause = -1;
if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) {
- fprintf(logfile, "%s enter: PC %08x EPC %08x cause %d excp %d\n",
+ fprintf(logfile, "%s enter: PC " TLSZ " EPC " TLSZ " cause %d excp %d\n",
__func__, env->PC, env->CP0_EPC, cause, env->exception_index);
}
if (env->exception_index == EXCP_EXT_INTERRUPT &&
enter_debug_mode:
env->hflags |= MIPS_HFLAG_DM;
/* EJTAG probe trap enable is not implemented... */
- env->PC = 0xBFC00480;
+ env->PC = SIGN_EXTEND32(0xBFC00480);
break;
case EXCP_RESET:
cpu_reset(env);
}
env->hflags |= MIPS_HFLAG_ERL;
env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV);
- env->PC = 0xBFC00000;
+ env->PC = SIGN_EXTEND32(0xBFC00000);
break;
case EXCP_MCHECK:
cause = 24;
env->CP0_Cause &= ~0x80000000;
}
if (env->CP0_Status & (1 << CP0St_BEV)) {
- env->PC = 0xBFC00200;
+ env->PC = SIGN_EXTEND32(0xBFC00200);
} else {
- env->PC = 0x80000000;
+ env->PC = SIGN_EXTEND32(0x80000000);
}
env->hflags |= MIPS_HFLAG_EXL;
env->CP0_Status |= (1 << CP0St_EXL);
exit(1);
}
if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) {
- fprintf(logfile, "%s: PC %08x EPC %08x cause %d excp %d\n"
- " S %08x C %08x A %08x D %08x\n",
+ fprintf(logfile, "%s: PC " TLSZ " EPC " TLSZ " cause %d excp %d\n"
+ " S %08x C %08x A " TLSZ " D " TLSZ "\n",
__func__, env->PC, env->CP0_EPC, cause, env->exception_index,
env->CP0_Status, env->CP0_Cause, env->CP0_BadVAddr,
env->CP0_DEPC);
#if (MIPS_CPU == MIPS_R4Kc)
/* 32 bits target */
-#define TARGET_LONG_BITS 32
+#undef MIPS_HAS_MIPS64
+//#define MIPS_HAS_MIPS64 1
/* real pages are variable size... */
#define TARGET_PAGE_BITS 12
/* Uses MIPS R4Kx enhancements to MIPS32 architecture */
(0 << CP0C3_MT) | (0 << CP0C3_SM) | (0 << CP0C3_TL))
#elif (MIPS_CPU == MIPS_R4Kp)
/* 32 bits target */
-#define TARGET_LONG_BITS 32
+#undef MIPS_HAS_MIPS64
/* real pages are variable size... */
#define TARGET_PAGE_BITS 12
/* Uses MIPS R4Kx enhancements to MIPS32 architecture */
#else
#error "MIPS CPU not defined"
/* Reminder for other flags */
-//#define TARGET_MIPS64
+//#undef MIPS_HAS_MIPS64
//#define MIPS_USES_FPU
#endif
+#ifdef MIPS_HAS_MIPS64
+#define TARGET_LONG_BITS 64
+#else
+#define TARGET_LONG_BITS 32
+#endif
+
#endif /* !defined (__QEMU_MIPS_DEFS_H__) */
#include "op_template.c"
#undef REG
-#define TN T0
-#include "op_template.c"
-#undef TN
-#define TN T1
-#include "op_template.c"
-#undef TN
-#define TN T2
+#define TN
#include "op_template.c"
#undef TN
/* Arithmetic */
void op_add (void)
{
- T0 += T1;
+ T0 = SIGN_EXTEND32((int32_t)T0 + (int32_t)T1);
RETURN();
}
{
target_ulong tmp;
- tmp = T0;
- T0 += T1;
+ tmp = (int32_t)T0;
+ T0 = (int32_t)T0 + (int32_t)T1;
if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 31) {
- /* operands of same sign, result different sign */
+ /* operands of same sign, result different sign */
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
}
+ T0 = SIGN_EXTEND32(T0);
RETURN();
}
void op_sub (void)
{
- T0 -= T1;
+ T0 = SIGN_EXTEND32((int32_t)T0 - (int32_t)T1);
RETURN();
}
{
target_ulong tmp;
- tmp = T0;
+ tmp = (int32_t)T0;
T0 = (int32_t)T0 - (int32_t)T1;
if (((tmp ^ T1) & (tmp ^ T0)) >> 31) {
- /* operands of different sign, first operand and result different sign */
+ /* operands of different sign, first operand and result different sign */
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
}
+ T0 = SIGN_EXTEND32(T0);
RETURN();
}
void op_mul (void)
{
- T0 = (int32_t)T0 * (int32_t)T1;
+ T0 = SIGN_EXTEND32((int32_t)T0 * (int32_t)T1);
RETURN();
}
void op_div (void)
{
if (T1 != 0) {
- env->LO = (int32_t)T0 / (int32_t)T1;
- env->HI = (int32_t)T0 % (int32_t)T1;
+ env->LO = SIGN_EXTEND32((int32_t)T0 / (int32_t)T1);
+ env->HI = SIGN_EXTEND32((int32_t)T0 % (int32_t)T1);
}
RETURN();
}
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);
+ }
+ RETURN();
+}
+
+#ifdef MIPS_HAS_MIPS64
+/* Arithmetic */
+void op_dadd (void)
+{
+ T0 += T1;
+ RETURN();
+}
+
+void op_daddo (void)
+{
+ target_long tmp;
+
+ tmp = T0;
+ T0 += T1;
+ if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 63) {
+ /* operands of same sign, result different sign */
+ CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
+ }
+ RETURN();
+}
+
+void op_dsub (void)
+{
+ T0 -= T1;
+ RETURN();
+}
+
+void op_dsubo (void)
+{
+ target_long tmp;
+
+ tmp = T0;
+ T0 = (int64_t)T0 - (int64_t)T1;
+ if (((tmp ^ T1) & (tmp ^ T0)) >> 63) {
+ /* operands of different sign, first operand and result different sign */
+ CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
+ }
+ RETURN();
+}
+
+void op_dmul (void)
+{
+ T0 = (int64_t)T0 * (int64_t)T1;
+ RETURN();
+}
+
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+/* Those might call libgcc functions. */
+void op_ddiv (void)
+{
+ do_ddiv();
+ RETURN();
+}
+
+void op_ddivu (void)
+{
+ do_ddivu();
+ RETURN();
+}
+#else
+void op_ddiv (void)
+{
+ if (T1 != 0) {
+ env->LO = (int64_t)T0 / (int64_t)T1;
+ env->HI = (int64_t)T0 % (int64_t)T1;
+ }
+ RETURN();
+}
+
+void op_ddivu (void)
+{
+ if (T1 != 0) {
env->LO = T0 / T1;
env->HI = T0 % T1;
}
RETURN();
}
+#endif
+#endif /* MIPS_HAS_MIPS64 */
/* Logical */
void op_and (void)
void op_sll (void)
{
- T0 = T0 << T1;
+ T0 = SIGN_EXTEND32((uint32_t)T0 << (uint32_t)T1);
RETURN();
}
void op_sra (void)
{
- T0 = (int32_t)T0 >> T1;
+ T0 = SIGN_EXTEND32((int32_t)T0 >> (uint32_t)T1);
RETURN();
}
void op_srl (void)
{
- T0 = T0 >> T1;
+ T0 = SIGN_EXTEND32((uint32_t)T0 >> (uint32_t)T1);
RETURN();
}
target_ulong tmp;
if (T1) {
- tmp = T0 << (0x20 - T1);
- T0 = (T0 >> T1) | tmp;
+ tmp = SIGN_EXTEND32((uint32_t)T0 << (0x20 - (uint32_t)T1));
+ T0 = SIGN_EXTEND32((uint32_t)T0 >> (uint32_t)T1) | tmp;
} else
T0 = T1;
RETURN();
void op_sllv (void)
{
- T0 = T1 << (T0 & 0x1F);
+ T0 = SIGN_EXTEND32((uint32_t)T1 << ((uint32_t)T0 & 0x1F));
RETURN();
}
void op_srav (void)
{
- T0 = (int32_t)T1 >> (T0 & 0x1F);
+ T0 = SIGN_EXTEND32((int32_t)T1 >> (T0 & 0x1F));
RETURN();
}
void op_srlv (void)
{
- T0 = T1 >> (T0 & 0x1F);
+ T0 = SIGN_EXTEND32((uint32_t)T1 >> (T0 & 0x1F));
RETURN();
}
T0 &= 0x1F;
if (T0) {
- tmp = T1 << (0x20 - T0);
- T0 = (T1 >> T0) | tmp;
+ tmp = SIGN_EXTEND32((uint32_t)T1 << (0x20 - T0));
+ T0 = SIGN_EXTEND32((uint32_t)T1 >> T0) | tmp;
} else
T0 = T1;
RETURN();
{
int n;
- if (T0 == (target_ulong)-1) {
+ if (T0 == ~((target_ulong)0)) {
T0 = 32;
} else {
for (n = 0; n < 32; n++) {
RETURN();
}
-/* 64 bits arithmetic */
-#if (HOST_LONG_BITS == 64)
-static inline uint64_t get_HILO (void)
+#ifdef MIPS_HAS_MIPS64
+
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+/* Those might call libgcc functions. */
+void op_dsll (void)
{
- return ((uint64_t)env->HI << 32) | (uint64_t)env->LO;
+ CALL_FROM_TB0(do_dsll);
+ RETURN();
}
-static inline void set_HILO (uint64_t HILO)
+void op_dsll32 (void)
{
- env->LO = HILO & 0xFFFFFFFF;
- env->HI = HILO >> 32;
+ CALL_FROM_TB0(do_dsll32);
+ RETURN();
}
-void op_mult (void)
+void op_dsra (void)
{
- set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
+ CALL_FROM_TB0(do_dsra);
RETURN();
}
-void op_multu (void)
+void op_dsra32 (void)
{
- set_HILO((uint64_t)T0 * (uint64_t)T1);
+ CALL_FROM_TB0(do_dsra32);
RETURN();
}
-void op_madd (void)
+void op_dsrl (void)
{
- int64_t tmp;
+ CALL_FROM_TB0(do_dsrl);
+ RETURN();
+}
- tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
- set_HILO((int64_t)get_HILO() + tmp);
+void op_dsrl32 (void)
+{
+ CALL_FROM_TB0(do_dsrl32);
RETURN();
}
-void op_maddu (void)
+void op_drotr (void)
{
- uint64_t tmp;
+ CALL_FROM_TB0(do_drotr);
+ RETURN();
+}
- tmp = ((uint64_t)T0 * (uint64_t)T1);
- set_HILO(get_HILO() + tmp);
+void op_drotr32 (void)
+{
+ CALL_FROM_TB0(do_drotr32);
RETURN();
}
-void op_msub (void)
+void op_dsllv (void)
{
- int64_t tmp;
+ CALL_FROM_TB0(do_dsllv);
+ RETURN();
+}
- tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
- set_HILO((int64_t)get_HILO() - tmp);
+void op_dsrav (void)
+{
+ CALL_FROM_TB0(do_dsrav);
RETURN();
}
-void op_msubu (void)
+void op_dsrlv (void)
{
- uint64_t tmp;
+ CALL_FROM_TB0(do_dsrlv);
+ RETURN();
+}
- tmp = ((uint64_t)T0 * (uint64_t)T1);
- set_HILO(get_HILO() - tmp);
+void op_drotrv (void)
+{
+ CALL_FROM_TB0(do_drotrv);
RETURN();
}
-#else
+
+#else /* TARGET_LONG_BITS > HOST_LONG_BITS */
+
+void op_dsll (void)
+{
+ T0 = T0 << T1;
+ RETURN();
+}
+
+void op_dsll32 (void)
+{
+ T0 = T0 << (T1 + 32);
+ RETURN();
+}
+
+void op_dsra (void)
+{
+ T0 = (int64_t)T0 >> T1;
+ RETURN();
+}
+
+void op_dsra32 (void)
+{
+ T0 = (int64_t)T0 >> (T1 + 32);
+ RETURN();
+}
+
+void op_dsrl (void)
+{
+ T0 = T0 >> T1;
+ RETURN();
+}
+
+void op_dsrl32 (void)
+{
+ T0 = T0 >> (T1 + 32);
+ RETURN();
+}
+
+void op_drotr (void)
+{
+ target_ulong tmp;
+
+ if (T1) {
+ tmp = T0 << (0x40 - T1);
+ T0 = (T0 >> T1) | tmp;
+ } else
+ T0 = T1;
+ RETURN();
+}
+
+void op_drotr32 (void)
+{
+ target_ulong tmp;
+
+ if (T1) {
+ tmp = T0 << (0x40 - (32 + T1));
+ T0 = (T0 >> (32 + T1)) | tmp;
+ } else
+ T0 = T1;
+ RETURN();
+}
+
+void op_dsllv (void)
+{
+ T0 = T1 << (T0 & 0x3F);
+ RETURN();
+}
+
+void op_dsrav (void)
+{
+ T0 = (int64_t)T1 >> (T0 & 0x3F);
+ RETURN();
+}
+
+void op_dsrlv (void)
+{
+ T0 = T1 >> (T0 & 0x3F);
+ RETURN();
+}
+
+void op_drotrv (void)
+{
+ target_ulong tmp;
+
+ T0 &= 0x3F;
+ if (T0) {
+ tmp = T1 << (0x40 - T0);
+ T0 = (T1 >> T0) | tmp;
+ } else
+ T0 = T1;
+ RETURN();
+}
+#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
+
+void op_dclo (void)
+{
+ int n;
+
+ if (T0 == ~((target_ulong)0)) {
+ T0 = 64;
+ } else {
+ for (n = 0; n < 64; n++) {
+ if (!(T0 & (1ULL << 63)))
+ break;
+ T0 = T0 << 1;
+ }
+ T0 = n;
+ }
+ RETURN();
+}
+
+void op_dclz (void)
+{
+ int n;
+
+ if (T0 == 0) {
+ T0 = 64;
+ } else {
+ for (n = 0; n < 64; n++) {
+ if (T0 & (1ULL << 63))
+ break;
+ T0 = T0 << 1;
+ }
+ T0 = n;
+ }
+ RETURN();
+}
+#endif
+
+/* 64 bits arithmetic */
+#if TARGET_LONG_BITS > HOST_LONG_BITS
void op_mult (void)
{
CALL_FROM_TB0(do_mult);
CALL_FROM_TB0(do_msubu);
RETURN();
}
+
+#else /* TARGET_LONG_BITS > HOST_LONG_BITS */
+
+static inline uint64_t get_HILO (void)
+{
+ return ((uint64_t)env->HI << 32) | ((uint64_t)(uint32_t)env->LO);
+}
+
+static inline void set_HILO (uint64_t HILO)
+{
+ env->LO = SIGN_EXTEND32(HILO & 0xFFFFFFFF);
+ env->HI = SIGN_EXTEND32(HILO >> 32);
+}
+
+void op_mult (void)
+{
+ set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
+ RETURN();
+}
+
+void op_multu (void)
+{
+ set_HILO((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
+ RETURN();
+}
+
+void op_madd (void)
+{
+ int64_t tmp;
+
+ tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
+ set_HILO((int64_t)get_HILO() + tmp);
+ RETURN();
+}
+
+void op_maddu (void)
+{
+ uint64_t tmp;
+
+ tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
+ set_HILO(get_HILO() + tmp);
+ RETURN();
+}
+
+void op_msub (void)
+{
+ int64_t tmp;
+
+ tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
+ set_HILO((int64_t)get_HILO() - tmp);
+ RETURN();
+}
+
+void op_msubu (void)
+{
+ uint64_t tmp;
+
+ tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
+ set_HILO(get_HILO() - tmp);
+ RETURN();
+}
+#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
+
+#ifdef MIPS_HAS_MIPS64
+void op_dmult (void)
+{
+ CALL_FROM_TB0(do_dmult);
+ RETURN();
+}
+
+void op_dmultu (void)
+{
+ CALL_FROM_TB0(do_dmultu);
+ RETURN();
+}
#endif
/* Conditional moves */
/* CP0 functions */
void op_mfc0_index (void)
{
- T0 = env->CP0_index;
+ T0 = SIGN_EXTEND32(env->CP0_index);
RETURN();
}
void op_mfc0_pagemask (void)
{
- T0 = env->CP0_PageMask;
+ T0 = SIGN_EXTEND32(env->CP0_PageMask);
RETURN();
}
void op_mfc0_pagegrain (void)
{
- T0 = env->CP0_PageGrain;
+ T0 = SIGN_EXTEND32(env->CP0_PageGrain);
RETURN();
}
void op_mfc0_wired (void)
{
- T0 = env->CP0_Wired;
+ T0 = SIGN_EXTEND32(env->CP0_Wired);
RETURN();
}
void op_mfc0_hwrena (void)
{
- T0 = env->CP0_HWREna;
+ T0 = SIGN_EXTEND32(env->CP0_HWREna);
RETURN();
}
void op_mfc0_compare (void)
{
- T0 = env->CP0_Compare;
+ T0 = SIGN_EXTEND32(env->CP0_Compare);
RETURN();
}
void op_mfc0_status (void)
{
- T0 = env->CP0_Status;
+ T0 = SIGN_EXTEND32(env->CP0_Status);
if (env->hflags & MIPS_HFLAG_UM)
T0 |= (1 << CP0St_UM);
if (env->hflags & MIPS_HFLAG_ERL)
void op_mfc0_intctl (void)
{
- T0 = env->CP0_IntCtl;
+ T0 = SIGN_EXTEND32(env->CP0_IntCtl);
RETURN();
}
void op_mfc0_srsctl (void)
{
- T0 = env->CP0_SRSCtl;
+ T0 = SIGN_EXTEND32(env->CP0_SRSCtl);
RETURN();
}
void op_mfc0_cause (void)
{
- T0 = env->CP0_Cause;
+ T0 = SIGN_EXTEND32(env->CP0_Cause);
RETURN();
}
void op_mfc0_prid (void)
{
- T0 = env->CP0_PRid;
+ T0 = SIGN_EXTEND32(env->CP0_PRid);
RETURN();
}
void op_mfc0_config0 (void)
{
- T0 = env->CP0_Config0;
+ T0 = SIGN_EXTEND32(env->CP0_Config0);
RETURN();
}
void op_mfc0_config1 (void)
{
- T0 = env->CP0_Config1;
+ T0 = SIGN_EXTEND32(env->CP0_Config1);
RETURN();
}
void op_mfc0_config2 (void)
{
- T0 = env->CP0_Config2;
+ T0 = SIGN_EXTEND32(env->CP0_Config2);
RETURN();
}
void op_mfc0_config3 (void)
{
- T0 = env->CP0_Config3;
+ T0 = SIGN_EXTEND32(env->CP0_Config3);
RETURN();
}
void op_mfc0_watchlo0 (void)
{
- T0 = env->CP0_WatchLo;
+ T0 = SIGN_EXTEND32(env->CP0_WatchLo);
RETURN();
}
void op_mfc0_watchhi0 (void)
{
- T0 = env->CP0_WatchHi;
+ T0 = SIGN_EXTEND32(env->CP0_WatchHi);
RETURN();
}
void op_mfc0_debug (void)
{
- T0 = env->CP0_Debug;
+ T0 = SIGN_EXTEND32(env->CP0_Debug);
if (env->hflags & MIPS_HFLAG_DM)
T0 |= 1 << CP0DB_DM;
RETURN();
void op_mfc0_performance0 (void)
{
- T0 = env->CP0_Performance0;
+ T0 = SIGN_EXTEND32(env->CP0_Performance0);
RETURN();
}
void op_mfc0_taglo (void)
{
- T0 = env->CP0_TagLo;
+ T0 = SIGN_EXTEND32(env->CP0_TagLo);
RETURN();
}
void op_mfc0_datalo (void)
{
- T0 = env->CP0_DataLo;
+ T0 = SIGN_EXTEND32(env->CP0_DataLo);
RETURN();
}
void op_mfc0_taghi (void)
{
- T0 = env->CP0_TagHi;
+ T0 = SIGN_EXTEND32(env->CP0_TagHi);
RETURN();
}
void op_mfc0_datahi (void)
{
- T0 = env->CP0_DataHi;
+ T0 = SIGN_EXTEND32(env->CP0_DataHi);
RETURN();
}
void op_mfc0_desave (void)
{
- T0 = env->CP0_DESAVE;
+ T0 = SIGN_EXTEND32(env->CP0_DESAVE);
RETURN();
}
{
/* Large physaddr not implemented */
/* 1k pages not implemented */
- env->CP0_EntryLo0 = T0 & 0x3FFFFFFFUL;
+ env->CP0_EntryLo0 = T0 & SIGN_EXTEND32(0x3FFFFFFFUL);
RETURN();
}
{
/* Large physaddr not implemented */
/* 1k pages not implemented */
- env->CP0_EntryLo1 = T0 & 0x3FFFFFFFUL;
+ env->CP0_EntryLo1 = T0 & SIGN_EXTEND32(0x3FFFFFFFUL);
RETURN();
}
/* 1k pages not implemented */
/* Ignore MIPS64 TLB for now */
- val = T0 & 0xFFFFE0FF;
+ val = T0 & SIGN_EXTEND32(0xFFFFE0FF);
old = env->CP0_EntryHi;
env->CP0_EntryHi = val;
/* If the ASID changes, flush qemu's TLB. */
{
uint32_t val, old, mask;
- val = T0 & 0xFA78FF01;
+ val = T0 & SIGN_EXTEND32(0xFA78FF01);
old = env->CP0_Status;
if (T0 & (1 << CP0St_UM))
env->hflags |= MIPS_HFLAG_UM;
{
uint32_t val, old;
- val = (env->CP0_Cause & 0xB000F87C) | (T0 & 0x000C00300);
+ val = (env->CP0_Cause & 0xB000F87C) | (T0 & 0x00C00300);
old = env->CP0_Cause;
env->CP0_Cause = val;
#if 0
{
/* vectored interrupts not implemented */
/* Multi-CPU not implemented */
- env->CP0_EBase = 0x80000000 | (T0 & 0x3FFFF000);
+ env->CP0_EBase = SIGN_EXTEND32(0x80000000) | (T0 & 0x3FFFF000);
RETURN();
}
void op_mtc0_taglo (void)
{
- env->CP0_TagLo = T0 & 0xFFFFFCF6;
+ env->CP0_TagLo = T0 & SIGN_EXTEND32(0xFFFFFCF6);
RETURN();
}
unsigned int pos = PARAM1;
unsigned int size = PARAM2;
- T0 = (T1 >> pos) & ((1 << size) - 1);
+ T0 = ((uint32_t)T1 >> pos) & ((1 << size) - 1);
RETURN();
}
unsigned int size = PARAM2;
target_ulong mask = ((1 << size) - 1) << pos;
- T0 = (T2 & ~mask) | ((T1 << pos) & mask);
+ T0 = (T2 & ~mask) | (((uint32_t)T1 << pos) & mask);
RETURN();
}
RETURN();
}
+#ifdef MIPS_HAS_MIPS64
+void op_dext(void)
+{
+ unsigned int pos = PARAM1;
+ unsigned int size = PARAM2;
+
+ T0 = (T1 >> pos) & ((1 << size) - 1);
+ RETURN();
+}
+
+void op_dins(void)
+{
+ unsigned int pos = PARAM1;
+ unsigned int size = PARAM2;
+ target_ulong mask = ((1 << size) - 1) << pos;
+
+ T0 = (T2 & ~mask) | ((T1 << pos) & mask);
+ RETURN();
+}
+
void op_dsbh(void)
{
T0 = ((T1 << 8) & ~0x00FF00FF00FF00FFULL) | ((T1 >> 8) & 0x00FF00FF00FF00FFULL);
T0 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL);
RETURN();
}
+#endif
void op_seb(void)
{
#undef MEMSUFFIX
#endif
+#ifdef MIPS_HAS_MIPS64
+#if TARGET_LONG_BITS > HOST_LONG_BITS
+/* Those might call libgcc functions. */
+void do_dsll (void)
+{
+ T0 = T0 << T1;
+}
+
+void do_dsll32 (void)
+{
+ T0 = T0 << (T1 + 32);
+}
+
+void do_dsra (void)
+{
+ T0 = (int64_t)T0 >> T1;
+}
+
+void do_dsra32 (void)
+{
+ T0 = (int64_t)T0 >> (T1 + 32);
+}
+
+void do_dsrl (void)
+{
+ T0 = T0 >> T1;
+}
+
+void do_dsrl32 (void)
+{
+ T0 = T0 >> (T1 + 32);
+}
+
+void do_drotr (void)
+{
+ target_ulong tmp;
+
+ if (T1) {
+ tmp = T0 << (0x40 - T1);
+ T0 = (T0 >> T1) | tmp;
+ } else
+ T0 = T1;
+}
+
+void do_drotr32 (void)
+{
+ target_ulong tmp;
+
+ if (T1) {
+ tmp = T0 << (0x40 - (32 + T1));
+ T0 = (T0 >> (32 + T1)) | tmp;
+ } else
+ T0 = T1;
+}
+
+void do_dsllv (void)
+{
+ T0 = T1 << (T0 & 0x3F);
+}
+
+void do_dsrav (void)
+{
+ T0 = (int64_t)T1 >> (T0 & 0x3F);
+}
+
+void do_dsrlv (void)
+{
+ T0 = T1 >> (T0 & 0x3F);
+}
+
+void do_drotrv (void)
+{
+ target_ulong tmp;
+
+ T0 &= 0x3F;
+ if (T0) {
+ tmp = T1 << (0x40 - T0);
+ T0 = (T1 >> T0) | tmp;
+ } else
+ T0 = T1;
+}
+#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
+#endif /* MIPS_HAS_MIPS64 */
+
/* 64 bits arithmetic for 32 bits hosts */
-#if (HOST_LONG_BITS == 32)
+#if TARGET_LONG_BITS > HOST_LONG_BITS
static inline uint64_t get_HILO (void)
{
return ((uint64_t)env->HI << 32) | (uint64_t)env->LO;
static inline void set_HILO (uint64_t HILO)
{
- env->LO = HILO & 0xFFFFFFFF;
- env->HI = HILO >> 32;
+ env->LO = SIGN_EXTEND32(HILO & 0xFFFFFFFF);
+ env->HI = SIGN_EXTEND32(HILO >> 32);
}
void do_mult (void)
void do_multu (void)
{
- set_HILO((uint64_t)T0 * (uint64_t)T1);
+ set_HILO((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
}
void do_madd (void)
{
uint64_t tmp;
- tmp = ((uint64_t)T0 * (uint64_t)T1);
+ tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
set_HILO(get_HILO() + tmp);
}
{
uint64_t tmp;
- tmp = ((uint64_t)T0 * (uint64_t)T1);
+ tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
set_HILO(get_HILO() - tmp);
}
#endif
+#ifdef MIPS_HAS_MIPS64
+void do_dmult (void)
+{
+ /* XXX */
+ set_HILO((int64_t)T0 * (int64_t)T1);
+}
+
+void do_dmultu (void)
+{
+ /* XXX */
+ set_HILO((uint64_t)T0 * (uint64_t)T1);
+}
+
+void do_ddiv (void)
+{
+ if (T1 != 0) {
+ env->LO = (int64_t)T0 / (int64_t)T1;
+ env->HI = (int64_t)T0 % (int64_t)T1;
+ }
+}
+
+void do_ddivu (void)
+{
+ if (T1 != 0) {
+ env->LO = T0 / T1;
+ env->HI = T0 % T1;
+ }
+}
+#endif
+
#if defined(CONFIG_USER_ONLY)
void do_mfc0_random (void)
{
/* CP0 helpers */
void do_mfc0_random (void)
{
- T0 = cpu_mips_get_random(env);
+ T0 = SIGN_EXTEND32(cpu_mips_get_random(env));
}
void do_mfc0_count (void)
{
- T0 = cpu_mips_get_count(env);
+ T0 = SIGN_EXTEND32(cpu_mips_get_count(env));
}
void do_mtc0_status_debug(uint32_t old, uint32_t val)
/* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
tlb = &env->tlb[idx];
- tlb->VPN = env->CP0_EntryHi & 0xFFFFE000;
+ tlb->VPN = env->CP0_EntryHi & SIGN_EXTEND32(0xFFFFE000);
tlb->ASID = env->CP0_EntryHi & 0xFF;
size = env->CP0_PageMask >> 13;
size = 4 * (size + 1);
uint8_t ASID;
int i;
- tag = env->CP0_EntryHi & 0xFFFFE000;
+ tag = env->CP0_EntryHi & SIGN_EXTEND32(0xFFFFE000);
ASID = env->CP0_EntryHi & 0xFF;
for (i = 0; i < MIPS_TLB_NB; i++) {
tlb = &env->tlb[i];
#endif /* !CONFIG_USER_ONLY */
-void op_dump_ldst (const unsigned char *func)
+void dump_ldst (const unsigned char *func)
{
if (loglevel)
- fprintf(logfile, "%s => %08x %08x\n", __func__, T0, T1);
+ fprintf(logfile, "%s => " TLSZ " " TLSZ "\n", __func__, T0, T1);
}
void dump_sc (void)
{
if (loglevel) {
- fprintf(logfile, "%s %08x at %08x (%08x)\n", __func__,
+ fprintf(logfile, "%s " TLSZ " at " TLSZ " (" TLSZ ")\n", __func__,
T1, T0, env->CP0_LLAddr);
}
}
void debug_eret (void)
{
if (loglevel) {
- fprintf(logfile, "ERET: pc %08x EPC %08x ErrorEPC %08x (%d)\n",
+ fprintf(logfile, "ERET: pc " TLSZ " EPC " TLSZ " ErrorEPC " TLSZ " (%d)\n",
env->PC, env->CP0_EPC, env->CP0_ErrorEPC,
env->hflags & MIPS_HFLAG_ERL ? 1 : 0);
}
break;
case 3:
case 12:
- printf("%c", env->gpr[4] & 0xFF);
+ printf("%c", (char)(env->gpr[4] & 0xFF));
break;
case 17:
break;
case 158:
{
- unsigned char *fmt = (void *)env->gpr[4];
+ unsigned char *fmt = (void *)(unsigned long)env->gpr[4];
printf("%s", fmt);
}
break;
target_ulong sav = T0;
#endif
- /* XXX: this is valid only in big-endian mode
- * should be reverted for little-endian...
- */
switch (GET_LMASK(T0)) {
case 0:
T0 = tmp;
target_ulong sav = T0;
#endif
- /* XXX: this is valid only in big-endian mode
- * should be reverted for little-endian...
- */
switch (GET_LMASK(T0)) {
case 0:
T0 = (tmp >> 24) | (T1 & 0xFFFFFF00);
uint32_t glue(do_swl, MEMSUFFIX) (uint32_t tmp)
{
#if defined (DEBUG_OP)
- target_ulong sav;
+ target_ulong sav = tmp;
#endif
-#if defined (DEBUG_OP)
- sav = tmp;
-#endif
- /* XXX: this is valid only in big-endian mode
- * should be reverted for little-endian...
- */
switch (GET_LMASK(T0)) {
case 0:
tmp = T1;
uint32_t glue(do_swr, MEMSUFFIX) (uint32_t tmp)
{
#if defined (DEBUG_OP)
- target_ulong sav;
+ target_ulong sav = tmp;
#endif
-#if defined (DEBUG_OP)
- sav = tmp;
-#endif
- /* XXX: this is valid only in big-endian mode
- * should be reverted for little-endian...
- */
switch (GET_LMASK(T0)) {
case 0:
tmp = (tmp & 0x00FFFFFF) | (T1 << 24);
RETURN();
return tmp;
}
+
+#ifdef MIPS_HAS_MIPS64
+
+# ifdef TARGET_WORDS_BIGENDIAN
+#define GET_LMASK64(v) ((v) & 4)
+#else
+#define GET_LMASK64(v) (((v) & 4) ^ 4)
+#endif
+
+void glue(do_ldl, MEMSUFFIX) (uint64_t tmp)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav = T0;
+#endif
+
+ switch (GET_LMASK64(T0)) {
+ case 0:
+ T0 = tmp;
+ break;
+ case 1:
+ T0 = (tmp << 8) | (T1 & 0x00000000000000FFULL);
+ break;
+ case 2:
+ T0 = (tmp << 16) | (T1 & 0x000000000000FFFFULL);
+ break;
+ case 3:
+ T0 = (tmp << 24) | (T1 & 0x0000000000FFFFFFULL);
+ break;
+ case 4:
+ T0 = (tmp << 32) | (T1 & 0x00000000FFFFFFFFULL);
+ break;
+ case 5:
+ T0 = (tmp << 40) | (T1 & 0x000000FFFFFFFFFFULL);
+ break;
+ case 6:
+ T0 = (tmp << 48) | (T1 & 0x0000FFFFFFFFFFFFULL);
+ break;
+ case 7:
+ T0 = (tmp << 56) | (T1 & 0x00FFFFFFFFFFFFFFULL);
+ break;
+ }
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, sav, tmp, T1, T0);
+ }
+#endif
+ RETURN();
+}
+
+void glue(do_ldr, MEMSUFFIX) (uint64_t tmp)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav = T0;
+#endif
+
+ switch (GET_LMASK64(T0)) {
+ case 0:
+ T0 = (tmp >> 56) | (T1 & 0xFFFFFFFFFFFFFF00ULL);
+ break;
+ case 1:
+ T0 = (tmp >> 48) | (T1 & 0xFFFFFFFFFFFF0000ULL);
+ break;
+ case 2:
+ T0 = (tmp >> 40) | (T1 & 0xFFFFFFFFFF000000ULL);
+ break;
+ case 3:
+ T0 = (tmp >> 32) | (T1 & 0xFFFFFFFF00000000ULL);
+ break;
+ case 4:
+ T0 = (tmp >> 24) | (T1 & 0xFFFFFF0000000000ULL);
+ break;
+ case 5:
+ T0 = (tmp >> 16) | (T1 & 0xFFFF000000000000ULL);
+ break;
+ case 6:
+ T0 = (tmp >> 8) | (T1 & 0xFF00000000000000ULL);
+ break;
+ case 7:
+ T0 = tmp;
+ break;
+ }
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, sav, tmp, T1, T0);
+ }
+#endif
+ RETURN();
+}
+
+uint64_t glue(do_sdl, MEMSUFFIX) (uint64_t tmp)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav = tmp;
+#endif
+
+ switch (GET_LMASK64(T0)) {
+ case 0:
+ tmp = T1;
+ break;
+ case 1:
+ tmp = (tmp & 0xFF00000000000000ULL) | (T1 >> 8);
+ break;
+ case 2:
+ tmp = (tmp & 0xFFFF000000000000ULL) | (T1 >> 16);
+ break;
+ case 3:
+ tmp = (tmp & 0xFFFFFF0000000000ULL) | (T1 >> 24);
+ break;
+ case 4:
+ tmp = (tmp & 0xFFFFFFFF00000000ULL) | (T1 >> 32);
+ break;
+ case 5:
+ tmp = (tmp & 0xFFFFFFFFFF000000ULL) | (T1 >> 40);
+ break;
+ case 6:
+ tmp = (tmp & 0xFFFFFFFFFFFF0000ULL) | (T1 >> 48);
+ break;
+ case 7:
+ tmp = (tmp & 0xFFFFFFFFFFFFFF00ULL) | (T1 >> 56);
+ break;
+ }
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, T0, sav, T1, tmp);
+ }
+#endif
+ RETURN();
+ return tmp;
+}
+
+uint64_t glue(do_sdr, MEMSUFFIX) (uint64_t tmp)
+{
+#if defined (DEBUG_OP)
+ target_ulong sav = tmp;
+#endif
+
+ switch (GET_LMASK64(T0)) {
+ case 0:
+ tmp = (tmp & 0x00FFFFFFFFFFFFFFULL) | (T1 << 56);
+ break;
+ case 1:
+ tmp = (tmp & 0x0000FFFFFFFFFFFFULL) | (T1 << 48);
+ break;
+ case 2:
+ tmp = (tmp & 0x000000FFFFFFFFFFULL) | (T1 << 40);
+ break;
+ case 3:
+ tmp = (tmp & 0x00000000FFFFFFFFULL) | (T1 << 32);
+ break;
+ case 4:
+ tmp = (tmp & 0x0000000000FFFFFFULL) | (T1 << 24);
+ break;
+ case 5:
+ tmp = (tmp & 0x000000000000FFFFULL) | (T1 << 16);
+ break;
+ case 6:
+ tmp = (tmp & 0x00000000000000FFULL) | (T1 << 8);
+ break;
+ case 7:
+ tmp = T1;
+ break;
+ }
+#if defined (DEBUG_OP)
+ if (logfile) {
+ fprintf(logfile, "%s: %08x - %08x %08x => %08x\n",
+ __func__, T0, sav, T1, tmp);
+ }
+#endif
+ RETURN();
+ return tmp;
+}
+
+#endif /* MIPS_HAS_MIPS64 */
/* "half" load and stores. We must do the memory access inline,
or fault handling won't work. */
+/* XXX: This is broken, CP0_BADVADDR has the wrong (aligned) value. */
void glue(op_lwl, MEMSUFFIX) (void)
{
uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
RETURN();
}
+#ifdef MIPS_HAS_MIPS64
+void glue(op_ld, MEMSUFFIX) (void)
+{
+ T0 = glue(ldq, MEMSUFFIX)(T0);
+ RETURN();
+}
+
+void glue(op_sd, MEMSUFFIX) (void)
+{
+ glue(stq, MEMSUFFIX)(T0, T1);
+ RETURN();
+}
+
+/* "half" load and stores. We must do the memory access inline,
+ or fault handling won't work. */
+void glue(op_ldl, MEMSUFFIX) (void)
+{
+ target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+ CALL_FROM_TB1(glue(do_ldl, MEMSUFFIX), tmp);
+ RETURN();
+}
+
+void glue(op_ldr, MEMSUFFIX) (void)
+{
+ target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+ CALL_FROM_TB1(glue(do_ldr, MEMSUFFIX), tmp);
+ RETURN();
+}
+
+void glue(op_sdl, MEMSUFFIX) (void)
+{
+ target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+ tmp = CALL_FROM_TB1(glue(do_sdl, MEMSUFFIX), tmp);
+ glue(stq, MEMSUFFIX)(T0 & ~7, tmp);
+ RETURN();
+}
+
+void glue(op_sdr, MEMSUFFIX) (void)
+{
+ target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
+ tmp = CALL_FROM_TB1(glue(do_sdr, MEMSUFFIX), tmp);
+ glue(stq, MEMSUFFIX)(T0 & ~7, tmp);
+ RETURN();
+}
+
+void glue(op_lld, MEMSUFFIX) (void)
+{
+ T1 = T0;
+ T0 = glue(ldq, MEMSUFFIX)(T0);
+ env->CP0_LLAddr = T1;
+ RETURN();
+}
+
+void glue(op_scd, MEMSUFFIX) (void)
+{
+ CALL_FROM_TB0(dump_sc);
+ if (T0 == env->CP0_LLAddr) {
+ glue(stq, MEMSUFFIX)(T0, T1);
+ T0 = 1;
+ } else {
+ T0 = 0;
+ }
+ RETURN();
+}
+#endif /* MIPS_HAS_MIPS64 */
+
#ifdef MIPS_USES_FPU
void glue(op_lwc1, MEMSUFFIX) (void)
{
#endif
#if defined (TN)
-void glue(op_set_, TN) (void)
-{
- TN = PARAM1;
- RETURN();
-}
+#define SET_RESET(treg, tregname) \
+ void glue(op_set, tregname)(void) \
+ { \
+ treg = PARAM1; \
+ RETURN(); \
+ } \
+ void glue(op_reset, tregname)(void) \
+ { \
+ treg = 0; \
+ RETURN(); \
+ } \
-void glue (op_reset_, TN) (void)
-{
- TN = 0;
- RETURN();
-}
+SET_RESET(T0, _T0)
+SET_RESET(T1, _T1)
+SET_RESET(T2, _T2)
+
+#undef SET_RESET
#endif
#include "disas.h"
//#define MIPS_DEBUG_DISAS
+//#define MIPS_DEBUG_SIGN_EXTENSIONS
//#define MIPS_SINGLE_STEP
#ifdef USE_DIRECT_JUMP
#define MIPS_DEBUG(fmt, args...) \
do { \
if (loglevel & CPU_LOG_TB_IN_ASM) { \
- fprintf(logfile, "%08x: %08x " fmt "\n", \
+ fprintf(logfile, TLSZ ": %08x " fmt "\n", \
ctx->pc, ctx->opcode , ##args); \
} \
} while (0)
OP_ST_TABLE(d);
OP_ST_TABLE(dl);
OP_ST_TABLE(dr);
+OP_LD_TABLE(ld);
+OP_ST_TABLE(cd);
#endif
OP_LD_TABLE(w);
OP_LD_TABLE(wu);
case OPC_J:
case OPC_JAL:
/* Jump to immediate */
- btarget = ((ctx->pc + 4) & 0xF0000000) | offset;
+ btarget = ((ctx->pc + 4) & SIGN_EXTEND32(0xF0000000)) | offset;
break;
case OPC_JR:
case OPC_JALR:
switch (op) {
case OPC_BC1F:
gen_op_bc1f();
- MIPS_DEBUG("bc1f %08x", btarget);
+ MIPS_DEBUG("bc1f " TLSZ, btarget);
goto not_likely;
case OPC_BC1FL:
gen_op_bc1f();
- MIPS_DEBUG("bc1fl %08x", btarget);
+ MIPS_DEBUG("bc1fl " TLSZ, btarget);
goto likely;
case OPC_BC1T:
gen_op_bc1t();
- MIPS_DEBUG("bc1t %08x", btarget);
+ MIPS_DEBUG("bc1t " TLSZ, btarget);
not_likely:
ctx->hflags |= MIPS_HFLAG_BC;
break;
case OPC_BC1TL:
gen_op_bc1t();
- MIPS_DEBUG("bc1tl %08x", btarget);
+ MIPS_DEBUG("bc1tl " TLSZ, btarget);
likely:
ctx->hflags |= MIPS_HFLAG_BL;
break;
}
gen_op_set_bcond();
- MIPS_DEBUG("enter ds: cond %02x target %08x",
+ MIPS_DEBUG("enter ds: cond %02x target " TLSZ,
ctx->hflags, btarget);
ctx->btarget = btarget;
/* SmartMIPS extension to MIPS32 */
#ifdef MIPS_HAS_MIPS64
-static void gen_arith64 (DisasContext *ctx, uint32_t opc)
-{
- if (func == 0x02 && rd == 0) {
- /* NOP */
- return;
- }
- if (rs == 0 || rt == 0) {
- gen_op_reset_T0();
- gen_op_save64();
- } else {
- gen_op_load_gpr_T0(rs);
- gen_op_load_gpr_T1(rt);
- gen_op_save64();
- if (func & 0x01)
- gen_op_mul64u();
- else
- gen_op_mul64s();
- }
- if (func & 0x02)
- gen_op_add64();
- else
- gen_op_sub64();
-}
-
/* Coprocessor 3 (FPU) */
/* MDMX extension to MIPS64 */
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
/* Handle blikely not taken case */
- MIPS_DEBUG("blikely condition (%08x)", ctx->pc + 4);
+ MIPS_DEBUG("blikely condition (" TLSZ ")", ctx->pc + 4);
gen_blikely(ctx);
}
op = MASK_OP_MAJOR(ctx->opcode);
void dump_fpu (CPUState *env)
{
if (loglevel) {
- fprintf(logfile, "pc=0x%08x HI=0x%08x LO=0x%08x ds %04x %08x %d\n",
+ fprintf(logfile, "pc=0x" TLSZ " HI=0x" TLSZ " LO=0x" TLSZ " ds %04x " TLSZ " %d\n",
env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
fpu_dump_state(env, logfile, fprintf, 0);
}
#endif /* MIPS_USES_FPU */
+#if defined(MIPS_HAS_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
+/* Debug help: The architecture requires 32bit code to maintain proper
+ sign-extened values on 64bit machines. */
+
+#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
+
+void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
+ int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
+ int flags)
+{
+ int i;
+
+ if (!SIGN_EXT_P(env->PC))
+ cpu_fprintf(f, "BROKEN: pc=0x" TLSZ "\n", env->PC);
+ if (!SIGN_EXT_P(env->HI))
+ cpu_fprintf(f, "BROKEN: HI=0x" TLSZ "\n", env->HI);
+ if (!SIGN_EXT_P(env->LO))
+ cpu_fprintf(f, "BROKEN: LO=0x" TLSZ "\n", env->LO);
+ if (!SIGN_EXT_P(env->btarget))
+ cpu_fprintf(f, "BROKEN: btarget=0x" TLSZ "\n", env->btarget);
+
+ for (i = 0; i < 32; i++) {
+ if (!SIGN_EXT_P(env->gpr[i]))
+ cpu_fprintf(f, "BROKEN: %s=0x" TLSZ "\n", regnames[i], env->gpr[i]);
+ }
+
+ if (!SIGN_EXT_P(env->CP0_EPC))
+ cpu_fprintf(f, "BROKEN: EPC=0x" TLSZ "\n", env->CP0_EPC);
+ if (!SIGN_EXT_P(env->CP0_LLAddr))
+ cpu_fprintf(f, "BROKEN: LLAddr=0x" TLSZ "\n", env->CP0_LLAddr);
+}
+#endif
+
void cpu_dump_state (CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
uint32_t c0_status;
int i;
- cpu_fprintf(f, "pc=0x%08x HI=0x%08x LO=0x%08x ds %04x %08x %d\n",
+ cpu_fprintf(f, "pc=0x" TLSZ " HI=0x" TLSZ " LO=0x" TLSZ " ds %04x " TLSZ " %d\n",
env->PC, env->HI, env->LO, env->hflags, env->btarget, env->bcond);
for (i = 0; i < 32; i++) {
if ((i & 3) == 0)
cpu_fprintf(f, "GPR%02d:", i);
- cpu_fprintf(f, " %s %08x", regnames[i], env->gpr[i]);
+ cpu_fprintf(f, " %s " TLSZ, regnames[i], env->gpr[i]);
if ((i & 3) == 3)
cpu_fprintf(f, "\n");
}
if (env->hflags & MIPS_HFLAG_EXL)
c0_status |= (1 << CP0St_EXL);
- cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x%08x\n",
+ cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TLSZ "\n",
c0_status, env->CP0_Cause, env->CP0_EPC);
- cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x%08x\n",
+ cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TLSZ "\n",
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
#ifdef MIPS_USES_FPU
if (c0_status & (1 << CP0St_CU1))
fpu_dump_state(env, f, cpu_fprintf, flags);
#endif
+#if defined(MIPS_HAS_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
+ cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
+#endif
}
CPUMIPSState *cpu_mips_init (void)
} else {
env->CP0_ErrorEPC = env->PC;
}
- env->PC = 0xBFC00000;
+ env->PC = SIGN_EXTEND32(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 = 0x80000000;
+ env->CP0_EBase = SIGN_EXTEND32(0x80000000);
env->CP0_Config0 = MIPS_CONFIG0;
env->CP0_Config1 = MIPS_CONFIG1;
env->CP0_Config2 = MIPS_CONFIG2;
projects / qemu / commitdiff