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Diffstat (limited to 'target-i386/helper.c')
-rw-r--r--target-i386/helper.c963
1 files changed, 798 insertions, 165 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c
index e6686da722..3ae5b9113e 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -119,7 +119,7 @@ static inline int load_segment(uint32_t *e1_ptr, uint32_t *e2_ptr,
{
SegmentCache *dt;
int index;
- uint8_t *ptr;
+ target_ulong ptr;
if (selector & 0x4)
dt = &env->ldt;
@@ -143,9 +143,9 @@ static inline unsigned int get_seg_limit(uint32_t e1, uint32_t e2)
return limit;
}
-static inline uint8_t *get_seg_base(uint32_t e1, uint32_t e2)
+static inline uint32_t get_seg_base(uint32_t e1, uint32_t e2)
{
- return (uint8_t *)((e1 >> 16) | ((e2 & 0xff) << 16) | (e2 & 0xff000000));
+ return ((e1 >> 16) | ((e2 & 0xff) << 16) | (e2 & 0xff000000));
}
static inline void load_seg_cache_raw_dt(SegmentCache *sc, uint32_t e1, uint32_t e2)
@@ -160,7 +160,7 @@ static inline void load_seg_vm(int seg, int selector)
{
selector &= 0xffff;
cpu_x86_load_seg_cache(env, seg, selector,
- (uint8_t *)(selector << 4), 0xffff, 0);
+ (selector << 4), 0xffff, 0);
}
static inline void get_ss_esp_from_tss(uint32_t *ss_ptr,
@@ -258,13 +258,13 @@ static void switch_tss(int tss_selector,
uint32_t next_eip)
{
int tss_limit, tss_limit_max, type, old_tss_limit_max, old_type, v1, v2, i;
- uint8_t *tss_base;
+ target_ulong tss_base;
uint32_t new_regs[8], new_segs[6];
uint32_t new_eflags, new_eip, new_cr3, new_ldt, new_trap;
uint32_t old_eflags, eflags_mask;
SegmentCache *dt;
int index;
- uint8_t *ptr;
+ target_ulong ptr;
type = (e2 >> DESC_TYPE_SHIFT) & 0xf;
#ifdef DEBUG_PCALL
@@ -345,7 +345,7 @@ static void switch_tss(int tss_selector,
/* clear busy bit (it is restartable) */
if (source == SWITCH_TSS_JMP || source == SWITCH_TSS_IRET) {
- uint8_t *ptr;
+ target_ulong ptr;
uint32_t e2;
ptr = env->gdt.base + (env->tr.selector & ~7);
e2 = ldl_kernel(ptr + 4);
@@ -397,7 +397,7 @@ static void switch_tss(int tss_selector,
/* set busy bit */
if (source == SWITCH_TSS_JMP || source == SWITCH_TSS_CALL) {
- uint8_t *ptr;
+ target_ulong ptr;
uint32_t e2;
ptr = env->gdt.base + (tss_selector & ~7);
e2 = ldl_kernel(ptr + 4);
@@ -445,11 +445,11 @@ static void switch_tss(int tss_selector,
cpu_x86_set_cpl(env, new_segs[R_CS] & 3);
/* first just selectors as the rest may trigger exceptions */
for(i = 0; i < 6; i++)
- cpu_x86_load_seg_cache(env, i, new_segs[i], NULL, 0, 0);
+ cpu_x86_load_seg_cache(env, i, new_segs[i], 0, 0, 0);
}
env->ldt.selector = new_ldt & ~4;
- env->ldt.base = NULL;
+ env->ldt.base = 0;
env->ldt.limit = 0;
env->ldt.flags = 0;
@@ -573,7 +573,7 @@ static inline unsigned int get_sp_mask(unsigned int e2)
#define POPL(ssp, sp, sp_mask, val)\
{\
- val = ldl_kernel((ssp) + (sp & (sp_mask)));\
+ val = (uint32_t)ldl_kernel((ssp) + (sp & (sp_mask)));\
sp += 4;\
}
@@ -582,7 +582,7 @@ static void do_interrupt_protected(int intno, int is_int, int error_code,
unsigned int next_eip, int is_hw)
{
SegmentCache *dt;
- uint8_t *ptr, *ssp;
+ target_ulong ptr, ssp;
int type, dpl, selector, ss_dpl, cpl, sp_mask;
int has_error_code, new_stack, shift;
uint32_t e1, e2, offset, ss, esp, ss_e1, ss_e2;
@@ -703,7 +703,7 @@ static void do_interrupt_protected(int intno, int is_int, int error_code,
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
new_stack = 0; /* avoid warning */
sp_mask = 0; /* avoid warning */
- ssp = NULL; /* avoid warning */
+ ssp = 0; /* avoid warning */
esp = 0; /* avoid warning */
}
@@ -754,10 +754,10 @@ static void do_interrupt_protected(int intno, int is_int, int error_code,
if (new_stack) {
if (env->eflags & VM_MASK) {
- cpu_x86_load_seg_cache(env, R_ES, 0, NULL, 0, 0);
- cpu_x86_load_seg_cache(env, R_DS, 0, NULL, 0, 0);
- cpu_x86_load_seg_cache(env, R_FS, 0, NULL, 0, 0);
- cpu_x86_load_seg_cache(env, R_GS, 0, NULL, 0, 0);
+ cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0, 0);
+ cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0, 0);
+ cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0, 0);
+ cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0, 0);
}
ss = (ss & ~3) | dpl;
cpu_x86_load_seg_cache(env, R_SS, ss,
@@ -780,12 +780,264 @@ static void do_interrupt_protected(int intno, int is_int, int error_code,
env->eflags &= ~(TF_MASK | VM_MASK | RF_MASK | NT_MASK);
}
+#ifdef TARGET_X86_64
+
+#define PUSHQ(sp, val)\
+{\
+ sp -= 8;\
+ stq_kernel(sp, (val));\
+}
+
+#define POPQ(sp, val)\
+{\
+ val = ldq_kernel(sp);\
+ sp += 8;\
+}
+
+static inline target_ulong get_rsp_from_tss(int level)
+{
+ int index;
+
+#if 0
+ printf("TR: base=" TARGET_FMT_lx " limit=%x\n",
+ env->tr.base, env->tr.limit);
+#endif
+
+ if (!(env->tr.flags & DESC_P_MASK))
+ cpu_abort(env, "invalid tss");
+ index = 8 * level + 4;
+ if ((index + 7) > env->tr.limit)
+ raise_exception_err(EXCP0A_TSS, env->tr.selector & 0xfffc);
+ return ldq_kernel(env->tr.base + index);
+}
+
+/* 64 bit interrupt */
+static void do_interrupt64(int intno, int is_int, int error_code,
+ target_ulong next_eip, int is_hw)
+{
+ SegmentCache *dt;
+ target_ulong ptr;
+ int type, dpl, selector, cpl, ist;
+ int has_error_code, new_stack;
+ uint32_t e1, e2, e3, ss;
+ target_ulong old_eip, esp, offset;
+
+ has_error_code = 0;
+ if (!is_int && !is_hw) {
+ switch(intno) {
+ case 8:
+ case 10:
+ case 11:
+ case 12:
+ case 13:
+ case 14:
+ case 17:
+ has_error_code = 1;
+ break;
+ }
+ }
+ if (is_int)
+ old_eip = next_eip;
+ else
+ old_eip = env->eip;
+
+ dt = &env->idt;
+ if (intno * 16 + 15 > dt->limit)
+ raise_exception_err(EXCP0D_GPF, intno * 16 + 2);
+ ptr = dt->base + intno * 16;
+ e1 = ldl_kernel(ptr);
+ e2 = ldl_kernel(ptr + 4);
+ e3 = ldl_kernel(ptr + 8);
+ /* check gate type */
+ type = (e2 >> DESC_TYPE_SHIFT) & 0x1f;
+ switch(type) {
+ case 14: /* 386 interrupt gate */
+ case 15: /* 386 trap gate */
+ break;
+ default:
+ raise_exception_err(EXCP0D_GPF, intno * 16 + 2);
+ break;
+ }
+ dpl = (e2 >> DESC_DPL_SHIFT) & 3;
+ cpl = env->hflags & HF_CPL_MASK;
+ /* check privledge if software int */
+ if (is_int && dpl < cpl)
+ raise_exception_err(EXCP0D_GPF, intno * 16 + 2);
+ /* check valid bit */
+ if (!(e2 & DESC_P_MASK))
+ raise_exception_err(EXCP0B_NOSEG, intno * 16 + 2);
+ selector = e1 >> 16;
+ offset = ((target_ulong)e3 << 32) | (e2 & 0xffff0000) | (e1 & 0x0000ffff);
+ ist = e2 & 7;
+ if ((selector & 0xfffc) == 0)
+ raise_exception_err(EXCP0D_GPF, 0);
+
+ if (load_segment(&e1, &e2, selector) != 0)
+ raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
+ if (!(e2 & DESC_S_MASK) || !(e2 & (DESC_CS_MASK)))
+ raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
+ dpl = (e2 >> DESC_DPL_SHIFT) & 3;
+ if (dpl > cpl)
+ raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
+ if (!(e2 & DESC_P_MASK))
+ raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc);
+ if (!(e2 & DESC_L_MASK) || (e2 & DESC_B_MASK))
+ raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
+ if ((!(e2 & DESC_C_MASK) && dpl < cpl) || ist != 0) {
+ /* to inner priviledge */
+ if (ist != 0)
+ esp = get_rsp_from_tss(ist + 3);
+ else
+ esp = get_rsp_from_tss(dpl);
+ ss = 0;
+ new_stack = 1;
+ } else if ((e2 & DESC_C_MASK) || dpl == cpl) {
+ /* to same priviledge */
+ if (env->eflags & VM_MASK)
+ raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
+ new_stack = 0;
+ esp = ESP & ~0xf; /* align stack */
+ dpl = cpl;
+ } else {
+ raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
+ new_stack = 0; /* avoid warning */
+ esp = 0; /* avoid warning */
+ }
+
+ PUSHQ(esp, env->segs[R_SS].selector);
+ PUSHQ(esp, ESP);
+ PUSHQ(esp, compute_eflags());
+ PUSHQ(esp, env->segs[R_CS].selector);
+ PUSHQ(esp, old_eip);
+ if (has_error_code) {
+ PUSHQ(esp, error_code);
+ }
+
+ if (new_stack) {
+ ss = 0 | dpl;
+ cpu_x86_load_seg_cache(env, R_SS, ss, 0, 0, 0);
+ }
+ ESP = esp;
+
+ selector = (selector & ~3) | dpl;
+ cpu_x86_load_seg_cache(env, R_CS, selector,
+ get_seg_base(e1, e2),
+ get_seg_limit(e1, e2),
+ e2);
+ cpu_x86_set_cpl(env, dpl);
+ env->eip = offset;
+
+ /* interrupt gate clear IF mask */
+ if ((type & 1) == 0) {
+ env->eflags &= ~IF_MASK;
+ }
+ env->eflags &= ~(TF_MASK | VM_MASK | RF_MASK | NT_MASK);
+}
+
+void helper_syscall(void)
+{
+ int selector;
+
+ if (!(env->efer & MSR_EFER_SCE)) {
+ raise_exception_err(EXCP06_ILLOP, 0);
+ }
+ selector = (env->star >> 32) & 0xffff;
+ if (env->hflags & HF_LMA_MASK) {
+ ECX = env->eip;
+ env->regs[11] = compute_eflags();
+
+ cpu_x86_set_cpl(env, 0);
+ cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK | DESC_L_MASK);
+ cpu_x86_load_seg_cache(env, R_SS, (selector + 8) & 0xfffc,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK |
+ DESC_W_MASK | DESC_A_MASK);
+ env->eflags &= ~env->fmask;
+ if (env->hflags & HF_CS64_MASK)
+ env->eip = env->lstar;
+ else
+ env->eip = env->cstar;
+ } else {
+ ECX = (uint32_t)env->eip;
+
+ cpu_x86_set_cpl(env, 0);
+ cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
+ cpu_x86_load_seg_cache(env, R_SS, (selector + 8) & 0xfffc,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK |
+ DESC_W_MASK | DESC_A_MASK);
+ env->eflags &= ~(IF_MASK | RF_MASK | VM_MASK);
+ env->eip = (uint32_t)env->star;
+ }
+}
+
+void helper_sysret(int dflag)
+{
+ int cpl, selector;
+
+ cpl = env->hflags & HF_CPL_MASK;
+ if (!(env->cr[0] & CR0_PE_MASK) || cpl != 0) {
+ raise_exception_err(EXCP0D_GPF, 0);
+ }
+ selector = (env->star >> 48) & 0xffff;
+ if (env->hflags & HF_LMA_MASK) {
+ if (dflag == 2) {
+ cpu_x86_load_seg_cache(env, R_CS, (selector + 16) | 3,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK |
+ DESC_L_MASK);
+ env->eip = ECX;
+ } else {
+ cpu_x86_load_seg_cache(env, R_CS, selector | 3,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
+ env->eip = (uint32_t)ECX;
+ }
+ cpu_x86_load_seg_cache(env, R_SS, selector + 8,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_W_MASK | DESC_A_MASK);
+ load_eflags((uint32_t)(env->regs[11]), 0xffffffff);
+ cpu_x86_set_cpl(env, 3);
+ } else {
+ cpu_x86_load_seg_cache(env, R_CS, selector | 3,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
+ env->eip = (uint32_t)ECX;
+ cpu_x86_load_seg_cache(env, R_SS, selector + 8,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
+ DESC_W_MASK | DESC_A_MASK);
+ env->eflags |= IF_MASK;
+ cpu_x86_set_cpl(env, 3);
+ }
+}
+#endif
+
/* real mode interrupt */
static void do_interrupt_real(int intno, int is_int, int error_code,
unsigned int next_eip)
{
SegmentCache *dt;
- uint8_t *ptr, *ssp;
+ target_ulong ptr, ssp;
int selector;
uint32_t offset, esp;
uint32_t old_cs, old_eip;
@@ -813,16 +1065,16 @@ static void do_interrupt_real(int intno, int is_int, int error_code,
ESP = (ESP & ~0xffff) | (esp & 0xffff);
env->eip = offset;
env->segs[R_CS].selector = selector;
- env->segs[R_CS].base = (uint8_t *)(selector << 4);
+ env->segs[R_CS].base = (selector << 4);
env->eflags &= ~(IF_MASK | TF_MASK | AC_MASK | RF_MASK);
}
/* fake user mode interrupt */
void do_interrupt_user(int intno, int is_int, int error_code,
- unsigned int next_eip)
+ target_ulong next_eip)
{
SegmentCache *dt;
- uint8_t *ptr;
+ target_ulong ptr;
int dpl, cpl;
uint32_t e2;
@@ -849,26 +1101,26 @@ void do_interrupt_user(int intno, int is_int, int error_code,
* instruction. It is only relevant if is_int is TRUE.
*/
void do_interrupt(int intno, int is_int, int error_code,
- unsigned int next_eip, int is_hw)
+ target_ulong next_eip, int is_hw)
{
#ifdef DEBUG_PCALL
if (loglevel & (CPU_LOG_PCALL | CPU_LOG_INT)) {
if ((env->cr[0] & CR0_PE_MASK)) {
static int count;
- fprintf(logfile, "%6d: v=%02x e=%04x i=%d cpl=%d IP=%04x:%08x pc=%08x SP=%04x:%08x",
+ fprintf(logfile, "%6d: v=%02x e=%04x i=%d cpl=%d IP=%04x:" TARGET_FMT_lx " pc=" TARGET_FMT_lx " SP=%04x:" TARGET_FMT_lx,
count, intno, error_code, is_int,
env->hflags & HF_CPL_MASK,
env->segs[R_CS].selector, EIP,
(int)env->segs[R_CS].base + EIP,
env->segs[R_SS].selector, ESP);
if (intno == 0x0e) {
- fprintf(logfile, " CR2=%08x", env->cr[2]);
+ fprintf(logfile, " CR2=" TARGET_FMT_lx, env->cr[2]);
} else {
- fprintf(logfile, " EAX=%08x", EAX);
+ fprintf(logfile, " EAX=" TARGET_FMT_lx, EAX);
}
fprintf(logfile, "\n");
-#if 0
cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
+#if 0
{
int i;
uint8_t *ptr;
@@ -885,7 +1137,14 @@ void do_interrupt(int intno, int is_int, int error_code,
}
#endif
if (env->cr[0] & CR0_PE_MASK) {
- do_interrupt_protected(intno, is_int, error_code, next_eip, is_hw);
+#if TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK) {
+ do_interrupt64(intno, is_int, error_code, next_eip, is_hw);
+ } else
+#endif
+ {
+ do_interrupt_protected(intno, is_int, error_code, next_eip, is_hw);
+ }
} else {
do_interrupt_real(intno, is_int, error_code, next_eip);
}
@@ -932,20 +1191,20 @@ void raise_exception(int exception_index)
#ifdef BUGGY_GCC_DIV64
/* gcc 2.95.4 on PowerPC does not seem to like using __udivdi3, so we
call it from another function */
-uint32_t div64(uint32_t *q_ptr, uint64_t num, uint32_t den)
+uint32_t div32(uint32_t *q_ptr, uint64_t num, uint32_t den)
{
*q_ptr = num / den;
return num % den;
}
-int32_t idiv64(int32_t *q_ptr, int64_t num, int32_t den)
+int32_t idiv32(int32_t *q_ptr, int64_t num, int32_t den)
{
*q_ptr = num / den;
return num % den;
}
#endif
-void helper_divl_EAX_T0(uint32_t eip)
+void helper_divl_EAX_T0(void)
{
unsigned int den, q, r;
uint64_t num;
@@ -953,20 +1212,19 @@ void helper_divl_EAX_T0(uint32_t eip)
num = EAX | ((uint64_t)EDX << 32);
den = T0;
if (den == 0) {
- EIP = eip;
raise_exception(EXCP00_DIVZ);
}
#ifdef BUGGY_GCC_DIV64
- r = div64(&q, num, den);
+ r = div32(&q, num, den);
#else
q = (num / den);
r = (num % den);
#endif
- EAX = q;
- EDX = r;
+ EAX = (uint32_t)q;
+ EDX = (uint32_t)r;
}
-void helper_idivl_EAX_T0(uint32_t eip)
+void helper_idivl_EAX_T0(void)
{
int den, q, r;
int64_t num;
@@ -974,17 +1232,16 @@ void helper_idivl_EAX_T0(uint32_t eip)
num = EAX | ((uint64_t)EDX << 32);
den = T0;
if (den == 0) {
- EIP = eip;
raise_exception(EXCP00_DIVZ);
}
#ifdef BUGGY_GCC_DIV64
- r = idiv64(&q, num, den);
+ r = idiv32(&q, num, den);
#else
q = (num / den);
r = (num % den);
#endif
- EAX = q;
- EDX = r;
+ EAX = (uint32_t)q;
+ EDX = (uint32_t)r;
}
void helper_cmpxchg8b(void)
@@ -993,9 +1250,9 @@ void helper_cmpxchg8b(void)
int eflags;
eflags = cc_table[CC_OP].compute_all();
- d = ldq((uint8_t *)A0);
+ d = ldq(A0);
if (d == (((uint64_t)EDX << 32) | EAX)) {
- stq((uint8_t *)A0, ((uint64_t)ECX << 32) | EBX);
+ stq(A0, ((uint64_t)ECX << 32) | EBX);
eflags |= CC_Z;
} else {
EDX = d >> 32;
@@ -1005,58 +1262,20 @@ void helper_cmpxchg8b(void)
CC_SRC = eflags;
}
-#define CPUID_FP87 (1 << 0)
-#define CPUID_VME (1 << 1)
-#define CPUID_DE (1 << 2)
-#define CPUID_PSE (1 << 3)
-#define CPUID_TSC (1 << 4)
-#define CPUID_MSR (1 << 5)
-#define CPUID_PAE (1 << 6)
-#define CPUID_MCE (1 << 7)
-#define CPUID_CX8 (1 << 8)
-#define CPUID_APIC (1 << 9)
-#define CPUID_SEP (1 << 11) /* sysenter/sysexit */
-#define CPUID_MTRR (1 << 12)
-#define CPUID_PGE (1 << 13)
-#define CPUID_MCA (1 << 14)
-#define CPUID_CMOV (1 << 15)
-/* ... */
-#define CPUID_MMX (1 << 23)
-#define CPUID_FXSR (1 << 24)
-#define CPUID_SSE (1 << 25)
-#define CPUID_SSE2 (1 << 26)
-
void helper_cpuid(void)
{
- switch(EAX) {
+ switch((uint32_t)EAX) {
case 0:
EAX = 2; /* max EAX index supported */
- EBX = 0x756e6547;
- ECX = 0x6c65746e;
- EDX = 0x49656e69;
+ EBX = env->cpuid_vendor1;
+ EDX = env->cpuid_vendor2;
+ ECX = env->cpuid_vendor3;
break;
case 1:
- {
- int family, model, stepping;
- /* EAX = 1 info */
-#if 0
- /* pentium 75-200 */
- family = 5;
- model = 2;
- stepping = 11;
-#else
- /* pentium pro */
- family = 6;
- model = 1;
- stepping = 3;
-#endif
- EAX = (family << 8) | (model << 4) | stepping;
- EBX = 0;
- ECX = 0;
- EDX = CPUID_FP87 | CPUID_DE | CPUID_PSE |
- CPUID_TSC | CPUID_MSR | CPUID_MCE |
- CPUID_CX8 | CPUID_PGE | CPUID_CMOV;
- }
+ EAX = env->cpuid_version;
+ EBX = 0;
+ ECX = 0;
+ EDX = env->cpuid_features;
break;
default:
/* cache info: needed for Pentium Pro compatibility */
@@ -1065,12 +1284,34 @@ void helper_cpuid(void)
ECX = 0;
EDX = 0;
break;
+#ifdef TARGET_X86_64
+ case 0x80000000:
+ EAX = 0x80000008;
+ EBX = env->cpuid_vendor1;
+ EDX = env->cpuid_vendor2;
+ ECX = env->cpuid_vendor3;
+ break;
+ case 0x80000001:
+ EAX = env->cpuid_features;
+ EBX = 0;
+ ECX = 0;
+ /* long mode + syscall/sysret features */
+ EDX = (env->cpuid_features & 0x0183F3FF) | (1 << 29) | (1 << 11);
+ break;
+ case 0x80000008:
+ /* virtual & phys address size in low 2 bytes. */
+ EAX = 0x00003028;
+ EBX = 0;
+ ECX = 0;
+ EDX = 0;
+ break;
+#endif
}
}
void helper_enter_level(int level, int data32)
{
- uint8_t *ssp;
+ target_ulong ssp;
uint32_t esp_mask, esp, ebp;
esp_mask = get_sp_mask(env->segs[R_SS].flags);
@@ -1105,20 +1346,26 @@ void helper_lldt_T0(void)
int selector;
SegmentCache *dt;
uint32_t e1, e2;
- int index;
- uint8_t *ptr;
+ int index, entry_limit;
+ target_ulong ptr;
selector = T0 & 0xffff;
if ((selector & 0xfffc) == 0) {
/* XXX: NULL selector case: invalid LDT */
- env->ldt.base = NULL;
+ env->ldt.base = 0;
env->ldt.limit = 0;
} else {
if (selector & 0x4)
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
dt = &env->gdt;
index = selector & ~7;
- if ((index + 7) > dt->limit)
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK)
+ entry_limit = 15;
+ else
+#endif
+ entry_limit = 7;
+ if ((index + entry_limit) > dt->limit)
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
ptr = dt->base + index;
e1 = ldl_kernel(ptr);
@@ -1127,7 +1374,17 @@ void helper_lldt_T0(void)
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
if (!(e2 & DESC_P_MASK))
raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc);
- load_seg_cache_raw_dt(&env->ldt, e1, e2);
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK) {
+ uint32_t e3;
+ e3 = ldl_kernel(ptr + 8);
+ load_seg_cache_raw_dt(&env->ldt, e1, e2);
+ env->ldt.base |= (target_ulong)e3 << 32;
+ } else
+#endif
+ {
+ load_seg_cache_raw_dt(&env->ldt, e1, e2);
+ }
}
env->ldt.selector = selector;
}
@@ -1137,13 +1394,13 @@ void helper_ltr_T0(void)
int selector;
SegmentCache *dt;
uint32_t e1, e2;
- int index, type;
- uint8_t *ptr;
+ int index, type, entry_limit;
+ target_ulong ptr;
selector = T0 & 0xffff;
if ((selector & 0xfffc) == 0) {
- /* NULL selector case: invalid LDT */
- env->tr.base = NULL;
+ /* NULL selector case: invalid TR */
+ env->tr.base = 0;
env->tr.limit = 0;
env->tr.flags = 0;
} else {
@@ -1151,7 +1408,13 @@ void helper_ltr_T0(void)
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
dt = &env->gdt;
index = selector & ~7;
- if ((index + 7) > dt->limit)
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK)
+ entry_limit = 15;
+ else
+#endif
+ entry_limit = 7;
+ if ((index + entry_limit) > dt->limit)
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
ptr = dt->base + index;
e1 = ldl_kernel(ptr);
@@ -1162,7 +1425,17 @@ void helper_ltr_T0(void)
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
if (!(e2 & DESC_P_MASK))
raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc);
- load_seg_cache_raw_dt(&env->tr, e1, e2);
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK) {
+ uint32_t e3;
+ e3 = ldl_kernel(ptr + 8);
+ load_seg_cache_raw_dt(&env->tr, e1, e2);
+ env->tr.base |= (target_ulong)e3 << 32;
+ } else
+#endif
+ {
+ load_seg_cache_raw_dt(&env->tr, e1, e2);
+ }
e2 |= DESC_TSS_BUSY_MASK;
stl_kernel(ptr + 4, e2);
}
@@ -1176,14 +1449,14 @@ void load_seg(int seg_reg, int selector)
int cpl, dpl, rpl;
SegmentCache *dt;
int index;
- uint8_t *ptr;
+ target_ulong ptr;
selector &= 0xffff;
if ((selector & 0xfffc) == 0) {
/* null selector case */
if (seg_reg == R_SS)
raise_exception_err(EXCP0D_GPF, 0);
- cpu_x86_load_seg_cache(env, seg_reg, selector, NULL, 0, 0);
+ cpu_x86_load_seg_cache(env, seg_reg, selector, 0, 0, 0);
} else {
if (selector & 0x4)
@@ -1196,7 +1469,7 @@ void load_seg(int seg_reg, int selector)
ptr = dt->base + index;
e1 = ldl_kernel(ptr);
e2 = ldl_kernel(ptr + 4);
-
+
if (!(e2 & DESC_S_MASK))
raise_exception_err(EXCP0D_GPF, selector & 0xfffc);
rpl = selector & 3;
@@ -1247,9 +1520,10 @@ void load_seg(int seg_reg, int selector)
/* protected mode jump */
void helper_ljmp_protected_T0_T1(int next_eip)
{
- int new_cs, new_eip, gate_cs, type;
+ int new_cs, gate_cs, type;
uint32_t e1, e2, cpl, dpl, rpl, limit;
-
+ target_ulong new_eip;
+
new_cs = T0;
new_eip = T1;
if ((new_cs & 0xfffc) == 0)
@@ -1312,7 +1586,7 @@ void helper_ljmp_protected_T0_T1(int next_eip)
if (((e2 & (DESC_S_MASK | DESC_CS_MASK)) !=
(DESC_S_MASK | DESC_CS_MASK)))
raise_exception_err(EXCP0D_GPF, gate_cs & 0xfffc);
- if (((e2 & DESC_C_MASK) && (dpl > cpl)) ||
+ if (((e2 & DESC_C_MASK) && (dpl > cpl)) ||
(!(e2 & DESC_C_MASK) && (dpl != cpl)))
raise_exception_err(EXCP0D_GPF, gate_cs & 0xfffc);
if (!(e2 & DESC_P_MASK))
@@ -1336,7 +1610,7 @@ void helper_lcall_real_T0_T1(int shift, int next_eip)
{
int new_cs, new_eip;
uint32_t esp, esp_mask;
- uint8_t *ssp;
+ target_ulong ssp;
new_cs = T0;
new_eip = T1;
@@ -1354,7 +1628,7 @@ void helper_lcall_real_T0_T1(int shift, int next_eip)
ESP = (ESP & ~esp_mask) | (esp & esp_mask);
env->eip = new_eip;
env->segs[R_CS].selector = new_cs;
- env->segs[R_CS].base = (uint8_t *)(new_cs << 4);
+ env->segs[R_CS].base = (new_cs << 4);
}
/* protected mode call */
@@ -1364,7 +1638,7 @@ void helper_lcall_protected_T0_T1(int shift, int next_eip)
uint32_t e1, e2, cpl, dpl, rpl, selector, offset, param_count;
uint32_t ss, ss_e1, ss_e2, sp, type, ss_dpl, sp_mask;
uint32_t val, limit, old_sp_mask;
- uint8_t *ssp, *old_ssp;
+ target_ulong ssp, old_ssp;
new_cs = T0;
new_eip = T1;
@@ -1471,7 +1745,7 @@ void helper_lcall_protected_T0_T1(int shift, int next_eip)
get_ss_esp_from_tss(&ss, &sp, dpl);
#ifdef DEBUG_PCALL
if (loglevel & CPU_LOG_PCALL)
- fprintf(logfile, "new ss:esp=%04x:%08x param_count=%d ESP=%x\n",
+ fprintf(logfile, "new ss:esp=%04x:%08x param_count=%d ESP=" TARGET_FMT_lx "\n",
ss, sp, param_count, ESP);
#endif
if ((ss & 0xfffc) == 0)
@@ -1555,7 +1829,7 @@ void helper_lcall_protected_T0_T1(int shift, int next_eip)
void helper_iret_real(int shift)
{
uint32_t sp, new_cs, new_eip, new_eflags, sp_mask;
- uint8_t *ssp;
+ target_ulong ssp;
int eflags_mask;
sp_mask = 0xffff; /* XXXX: use SS segment size ? */
@@ -1595,7 +1869,7 @@ static inline void validate_seg(int seg_reg, int cpl)
if (!(e2 & DESC_CS_MASK) || !(e2 & DESC_C_MASK)) {
/* data or non conforming code segment */
if (dpl < cpl) {
- cpu_x86_load_seg_cache(env, seg_reg, 0, NULL, 0, 0);
+ cpu_x86_load_seg_cache(env, seg_reg, 0, 0, 0, 0);
}
}
}
@@ -1603,16 +1877,31 @@ static inline void validate_seg(int seg_reg, int cpl)
/* protected mode iret */
static inline void helper_ret_protected(int shift, int is_iret, int addend)
{
- uint32_t sp, new_cs, new_eip, new_eflags, new_esp, new_ss, sp_mask;
+ uint32_t new_cs, new_eflags, new_ss;
uint32_t new_es, new_ds, new_fs, new_gs;
uint32_t e1, e2, ss_e1, ss_e2;
int cpl, dpl, rpl, eflags_mask, iopl;
- uint8_t *ssp;
+ target_ulong ssp, sp, new_eip, new_esp, sp_mask;
- sp_mask = get_sp_mask(env->segs[R_SS].flags);
+#ifdef TARGET_X86_64
+ if (shift == 2)
+ sp_mask = -1;
+ else
+#endif
+ sp_mask = get_sp_mask(env->segs[R_SS].flags);
sp = ESP;
ssp = env->segs[R_SS].base;
new_eflags = 0; /* avoid warning */
+#ifdef TARGET_X86_64
+ if (shift == 2) {
+ POPQ(sp, new_eip);
+ POPQ(sp, new_cs);
+ new_cs &= 0xffff;
+ if (is_iret) {
+ POPQ(sp, new_eflags);
+ }
+ } else
+#endif
if (shift == 1) {
/* 32 bits */
POPL(ssp, sp, sp_mask, new_eip);
@@ -1632,7 +1921,7 @@ static inline void helper_ret_protected(int shift, int is_iret, int addend)
}
#ifdef DEBUG_PCALL
if (loglevel & CPU_LOG_PCALL) {
- fprintf(logfile, "lret new %04x:%08x s=%d addend=0x%x\n",
+ fprintf(logfile, "lret new %04x:" TARGET_FMT_lx " s=%d addend=0x%x\n",
new_cs, new_eip, shift, addend);
cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
}
@@ -1660,7 +1949,7 @@ static inline void helper_ret_protected(int shift, int is_iret, int addend)
raise_exception_err(EXCP0B_NOSEG, new_cs & 0xfffc);
sp += addend;
- if (rpl == cpl) {
+ if (rpl == cpl && !(env->hflags & HF_CS64_MASK)) {
/* return to same priledge level */
cpu_x86_load_seg_cache(env, R_CS, new_cs,
get_seg_base(e1, e2),
@@ -1668,6 +1957,13 @@ static inline void helper_ret_protected(int shift, int is_iret, int addend)
e2);
} else {
/* return to different priviledge level */
+#ifdef TARGET_X86_64
+ if (shift == 2) {
+ POPQ(sp, new_esp);
+ POPQ(sp, new_ss);
+ new_ss &= 0xffff;
+ } else
+#endif
if (shift == 1) {
/* 32 bits */
POPL(ssp, sp, sp_mask, new_esp);
@@ -1680,36 +1976,49 @@ static inline void helper_ret_protected(int shift, int is_iret, int addend)
}
#ifdef DEBUG_PCALL
if (loglevel & CPU_LOG_PCALL) {
- fprintf(logfile, "new ss:esp=%04x:%08x\n",
+ fprintf(logfile, "new ss:esp=%04x:" TARGET_FMT_lx "\n",
new_ss, new_esp);
}
#endif
-
- if ((new_ss & 3) != rpl)
- raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
- if (load_segment(&ss_e1, &ss_e2, new_ss) != 0)
- raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
- if (!(ss_e2 & DESC_S_MASK) ||
- (ss_e2 & DESC_CS_MASK) ||
- !(ss_e2 & DESC_W_MASK))
- raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
- dpl = (ss_e2 >> DESC_DPL_SHIFT) & 3;
- if (dpl != rpl)
- raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
- if (!(ss_e2 & DESC_P_MASK))
- raise_exception_err(EXCP0B_NOSEG, new_ss & 0xfffc);
+ if ((env->hflags & HF_LMA_MASK) && (new_ss & 0xfffc) == 0) {
+ /* NULL ss is allowed in long mode */
+ cpu_x86_load_seg_cache(env, R_SS, new_ss,
+ 0, 0xffffffff,
+ DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
+ DESC_S_MASK | (rpl << DESC_DPL_SHIFT) |
+ DESC_W_MASK | DESC_A_MASK);
+ } else {
+ if ((new_ss & 3) != rpl)
+ raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
+ if (load_segment(&ss_e1, &ss_e2, new_ss) != 0)
+ raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
+ if (!(ss_e2 & DESC_S_MASK) ||
+ (ss_e2 & DESC_CS_MASK) ||
+ !(ss_e2 & DESC_W_MASK))
+ raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
+ dpl = (ss_e2 >> DESC_DPL_SHIFT) & 3;
+ if (dpl != rpl)
+ raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc);
+ if (!(ss_e2 & DESC_P_MASK))
+ raise_exception_err(EXCP0B_NOSEG, new_ss & 0xfffc);
+ cpu_x86_load_seg_cache(env, R_SS, new_ss,
+ get_seg_base(ss_e1, ss_e2),
+ get_seg_limit(ss_e1, ss_e2),
+ ss_e2);
+ }
cpu_x86_load_seg_cache(env, R_CS, new_cs,
get_seg_base(e1, e2),
get_seg_limit(e1, e2),
e2);
- cpu_x86_load_seg_cache(env, R_SS, new_ss,
- get_seg_base(ss_e1, ss_e2),
- get_seg_limit(ss_e1, ss_e2),
- ss_e2);
cpu_x86_set_cpl(env, rpl);
sp = new_esp;
- sp_mask = get_sp_mask(ss_e2);
+#ifdef TARGET_X86_64
+ if (shift == 2)
+ sp_mask = -1;
+ else
+#endif
+ sp_mask = get_sp_mask(ss_e2);
/* validate data segments */
validate_seg(R_ES, cpl);
@@ -1765,6 +2074,10 @@ void helper_iret_protected(int shift, int next_eip)
/* specific case for TSS */
if (env->eflags & NT_MASK) {
+#ifdef TARGET_X86_64
+ if (env->hflags & HF_LMA_MASK)
+ raise_exception_err(EXCP0D_GPF, 0);
+#endif
tss_selector = lduw_kernel(env->tr.base + 0);
if (tss_selector & 4)
raise_exception_err(EXCP0A_TSS, tss_selector & 0xfffc);
@@ -1793,12 +2106,12 @@ void helper_sysenter(void)
env->eflags &= ~(VM_MASK | IF_MASK | RF_MASK);
cpu_x86_set_cpl(env, 0);
cpu_x86_load_seg_cache(env, R_CS, env->sysenter_cs & 0xfffc,
- NULL, 0xffffffff,
+ 0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK |
DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_SS, (env->sysenter_cs + 8) & 0xfffc,
- NULL, 0xffffffff,
+ 0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK |
DESC_W_MASK | DESC_A_MASK);
@@ -1816,12 +2129,12 @@ void helper_sysexit(void)
}
cpu_x86_set_cpl(env, 3);
cpu_x86_load_seg_cache(env, R_CS, ((env->sysenter_cs + 16) & 0xfffc) | 3,
- NULL, 0xffffffff,
+ 0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_SS, ((env->sysenter_cs + 24) & 0xfffc) | 3,
- NULL, 0xffffffff,
+ 0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_W_MASK | DESC_A_MASK);
@@ -1863,22 +2176,67 @@ void helper_rdtsc(void)
uint64_t val;
val = cpu_get_tsc(env);
- EAX = val;
- EDX = val >> 32;
+ EAX = (uint32_t)(val);
+ EDX = (uint32_t)(val >> 32);
+}
+
+#if defined(CONFIG_USER_ONLY)
+void helper_wrmsr(void)
+{
}
+void helper_rdmsr(void)
+{
+}
+#else
void helper_wrmsr(void)
{
- switch(ECX) {
+ uint64_t val;
+
+ val = ((uint32_t)EAX) | ((uint64_t)((uint32_t)EDX) << 32);
+
+ switch((uint32_t)ECX) {
case MSR_IA32_SYSENTER_CS:
- env->sysenter_cs = EAX & 0xffff;
+ env->sysenter_cs = val & 0xffff;
break;
case MSR_IA32_SYSENTER_ESP:
- env->sysenter_esp = EAX;
+ env->sysenter_esp = val;
break;
case MSR_IA32_SYSENTER_EIP:
- env->sysenter_eip = EAX;
+ env->sysenter_eip = val;
+ break;
+ case MSR_IA32_APICBASE:
+ cpu_set_apic_base(env, val);
+ break;
+#ifdef TARGET_X86_64
+ case MSR_EFER:
+#define MSR_EFER_UPDATE_MASK (MSR_EFER_SCE | MSR_EFER_LME | \
+ MSR_EFER_NXE | MSR_EFER_FFXSR)
+ env->efer = (env->efer & ~MSR_EFER_UPDATE_MASK) |
+ (val & MSR_EFER_UPDATE_MASK);
break;
+ case MSR_STAR:
+ env->star = val;
+ break;
+ case MSR_LSTAR:
+ env->lstar = val;
+ break;
+ case MSR_CSTAR:
+ env->cstar = val;
+ break;
+ case MSR_FMASK:
+ env->fmask = val;
+ break;
+ case MSR_FSBASE:
+ env->segs[R_FS].base = val;
+ break;
+ case MSR_GSBASE:
+ env->segs[R_GS].base = val;
+ break;
+ case MSR_KERNELGSBASE:
+ env->kernelgsbase = val;
+ break;
+#endif
default:
/* XXX: exception ? */
break;
@@ -1887,24 +2245,55 @@ void helper_wrmsr(void)
void helper_rdmsr(void)
{
- switch(ECX) {
+ uint64_t val;
+ switch((uint32_t)ECX) {
case MSR_IA32_SYSENTER_CS:
- EAX = env->sysenter_cs;
- EDX = 0;
+ val = env->sysenter_cs;
break;
case MSR_IA32_SYSENTER_ESP:
- EAX = env->sysenter_esp;
- EDX = 0;
+ val = env->sysenter_esp;
break;
case MSR_IA32_SYSENTER_EIP:
- EAX = env->sysenter_eip;
- EDX = 0;
+ val = env->sysenter_eip;
+ break;
+ case MSR_IA32_APICBASE:
+ val = cpu_get_apic_base(env);
+ break;
+#ifdef TARGET_X86_64
+ case MSR_EFER:
+ val = env->efer;
+ break;
+ case MSR_STAR:
+ val = env->star;
+ break;
+ case MSR_LSTAR:
+ val = env->lstar;
+ break;
+ case MSR_CSTAR:
+ val = env->cstar;
+ break;
+ case MSR_FMASK:
+ val = env->fmask;
+ break;
+ case MSR_FSBASE:
+ val = env->segs[R_FS].base;
+ break;
+ case MSR_GSBASE:
+ val = env->segs[R_GS].base;
break;
+ case MSR_KERNELGSBASE:
+ val = env->kernelgsbase;
+ break;
+#endif
default:
/* XXX: exception ? */
+ val = 0;
break;
}
+ EAX = (uint32_t)(val);
+ EDX = (uint32_t)(val >> 32);
}
+#endif
void helper_lsl(void)
{
@@ -2055,14 +2444,14 @@ void helper_fldt_ST0_A0(void)
{
int new_fpstt;
new_fpstt = (env->fpstt - 1) & 7;
- env->fpregs[new_fpstt] = helper_fldt((uint8_t *)A0);
+ env->fpregs[new_fpstt] = helper_fldt(A0);
env->fpstt = new_fpstt;
env->fptags[new_fpstt] = 0; /* validate stack entry */
}
void helper_fstt_ST0_A0(void)
{
- helper_fstt(ST0, (uint8_t *)A0);
+ helper_fstt(ST0, A0);
}
void fpu_set_exception(int mask)
@@ -2102,11 +2491,11 @@ void helper_fbld_ST0_A0(void)
val = 0;
for(i = 8; i >= 0; i--) {
- v = ldub((uint8_t *)A0 + i);
+ v = ldub(A0 + i);
val = (val * 100) + ((v >> 4) * 10) + (v & 0xf);
}
tmp = val;
- if (ldub((uint8_t *)A0 + 9) & 0x80)
+ if (ldub(A0 + 9) & 0x80)
tmp = -tmp;
fpush();
ST0 = tmp;
@@ -2116,12 +2505,12 @@ void helper_fbst_ST0_A0(void)
{
CPU86_LDouble tmp;
int v;
- uint8_t *mem_ref, *mem_end;
+ target_ulong mem_ref, mem_end;
int64_t val;
tmp = rint(ST0);
val = (int64_t)tmp;
- mem_ref = (uint8_t *)A0;
+ mem_ref = A0;
mem_end = mem_ref + 9;
if (val < 0) {
stb(mem_end, 0x80);
@@ -2402,7 +2791,7 @@ void helper_fxam_ST0(void)
}
}
-void helper_fstenv(uint8_t *ptr, int data32)
+void helper_fstenv(target_ulong ptr, int data32)
{
int fpus, fptag, exp, i;
uint64_t mant;
@@ -2452,7 +2841,7 @@ void helper_fstenv(uint8_t *ptr, int data32)
}
}
-void helper_fldenv(uint8_t *ptr, int data32)
+void helper_fldenv(target_ulong ptr, int data32)
{
int i, fpus, fptag;
@@ -2474,7 +2863,7 @@ void helper_fldenv(uint8_t *ptr, int data32)
}
}
-void helper_fsave(uint8_t *ptr, int data32)
+void helper_fsave(target_ulong ptr, int data32)
{
CPU86_LDouble tmp;
int i;
@@ -2502,7 +2891,7 @@ void helper_fsave(uint8_t *ptr, int data32)
env->fptags[7] = 1;
}
-void helper_frstor(uint8_t *ptr, int data32)
+void helper_frstor(target_ulong ptr, int data32)
{
CPU86_LDouble tmp;
int i;
@@ -2517,7 +2906,78 @@ void helper_frstor(uint8_t *ptr, int data32)
}
}
-/* XXX: merge with helper_fstt ? */
+void helper_fxsave(target_ulong ptr, int data64)
+{
+ int fpus, fptag, i, nb_xmm_regs;
+ CPU86_LDouble tmp;
+ target_ulong addr;
+
+ fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
+ fptag = 0;
+ for(i = 0; i < 8; i++) {
+ fptag |= ((!env->fptags[(env->fpstt + i) & 7]) << i);
+ }
+ stw(ptr, env->fpuc);
+ stw(ptr + 2, fpus);
+ stw(ptr + 4, fptag);
+
+ addr = ptr + 0x20;
+ for(i = 0;i < 8; i++) {
+ tmp = ST(i);
+ helper_fstt(tmp, addr);
+ addr += 16;
+ }
+
+ if (env->cr[4] & CR4_OSFXSR_MASK) {
+ /* XXX: finish it, endianness */
+ stl(ptr + 0x18, 0); /* mxcsr */
+ stl(ptr + 0x1c, 0); /* mxcsr_mask */
+ nb_xmm_regs = 8 << data64;
+ addr = ptr + 0xa0;
+ for(i = 0; i < nb_xmm_regs; i++) {
+ stq(addr, env->xmm_regs[i].u.q[0]);
+ stq(addr, env->xmm_regs[i].u.q[1]);
+ addr += 16;
+ }
+ }
+}
+
+void helper_fxrstor(target_ulong ptr, int data64)
+{
+ int i, fpus, fptag, nb_xmm_regs;
+ CPU86_LDouble tmp;
+ target_ulong addr;
+
+ env->fpuc = lduw(ptr);
+ fpus = lduw(ptr + 2);
+ fptag = ldub(ptr + 4);
+ env->fpstt = (fpus >> 11) & 7;
+ env->fpus = fpus & ~0x3800;
+ fptag ^= 0xff;
+ for(i = 0;i < 8; i++) {
+ env->fptags[(env->fpstt + i) & 7] = ((fptag >> i) & 1);
+ }
+
+ addr = ptr + 0x20;
+ for(i = 0;i < 8; i++) {
+ tmp = helper_fldt(addr);
+ ST(i) = tmp;
+ addr += 16;
+ }
+
+ if (env->cr[4] & CR4_OSFXSR_MASK) {
+ /* XXX: finish it, endianness */
+ //ldl(ptr + 0x18);
+ //ldl(ptr + 0x1c);
+ nb_xmm_regs = 8 << data64;
+ addr = ptr + 0xa0;
+ for(i = 0; i < nb_xmm_regs; i++) {
+ env->xmm_regs[i].u.q[0] = ldq(addr);
+ env->xmm_regs[i].u.q[1] = ldq(addr);
+ addr += 16;
+ }
+ }
+}
#ifndef USE_X86LDOUBLE
@@ -2575,6 +3035,179 @@ CPU86_LDouble cpu_set_fp80(uint64_t mant, uint16_t upper)
}
#endif
+#ifdef TARGET_X86_64
+
+//#define DEBUG_MULDIV
+
+static void add128(uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b)
+{
+ *plow += a;
+ /* carry test */
+ if (*plow < a)
+ (*phigh)++;
+ *phigh += b;
+}
+
+static void neg128(uint64_t *plow, uint64_t *phigh)
+{
+ *plow = ~ *plow;
+ *phigh = ~ *phigh;
+ add128(plow, phigh, 1, 0);
+}
+
+static void mul64(uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b)
+{
+ uint32_t a0, a1, b0, b1;
+ uint64_t v;
+
+ a0 = a;
+ a1 = a >> 32;
+
+ b0 = b;
+ b1 = b >> 32;
+
+ v = (uint64_t)a0 * (uint64_t)b0;
+ *plow = v;
+ *phigh = 0;
+
+ v = (uint64_t)a0 * (uint64_t)b1;
+ add128(plow, phigh, v << 32, v >> 32);
+
+ v = (uint64_t)a1 * (uint64_t)b0;
+ add128(plow, phigh, v << 32, v >> 32);
+
+ v = (uint64_t)a1 * (uint64_t)b1;
+ *phigh += v;
+#ifdef DEBUG_MULDIV
+ printf("mul: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n",
+ a, b, *phigh, *plow);
+#endif
+}
+
+static void imul64(uint64_t *plow, uint64_t *phigh, int64_t a, int64_t b)
+{
+ int sa, sb;
+ sa = (a < 0);
+ if (sa)
+ a = -a;
+ sb = (b < 0);
+ if (sb)
+ b = -b;
+ mul64(plow, phigh, a, b);
+ if (sa ^ sb) {
+ neg128(plow, phigh);
+ }
+}
+
+static void div64(uint64_t *plow, uint64_t *phigh, uint64_t b)
+{
+ uint64_t q, r, a1, a0;
+ int i, qb;
+
+ a0 = *plow;
+ a1 = *phigh;
+ if (a1 == 0) {
+ q = a0 / b;
+ r = a0 % b;
+ *plow = q;
+ *phigh = r;
+ } else {
+ /* XXX: use a better algorithm */
+ for(i = 0; i < 64; i++) {
+ if (a1 >= b) {
+ a1 -= b;
+ qb = 1;
+ } else {
+ qb = 0;
+ }
+ a1 = (a1 << 1) | (a0 >> 63);
+ a0 = (a0 << 1) | qb;
+ }
+#if defined(DEBUG_MULDIV) || 1
+ printf("div: 0x%016llx%016llx / 0x%016llx: q=0x%016llx r=0x%016llx\n",
+ *phigh, *plow, b, a0, a1);
+#endif
+ *plow = a0;
+ *phigh = a1;
+ }
+}
+
+static void idiv64(uint64_t *plow, uint64_t *phigh, uint64_t b)
+{
+ int sa, sb;
+ sa = ((int64_t)*phigh < 0);
+ if (sa)
+ neg128(plow, phigh);
+ sb = (b < 0);
+ if (sb)
+ b = -b;
+ div64(plow, phigh, b);
+ if (sa ^ sb)
+ *plow = - *plow;
+ if (sb)
+ *phigh = - *phigh;
+}
+
+void helper_mulq_EAX_T0(void)
+{
+ uint64_t r0, r1;
+
+ mul64(&r0, &r1, EAX, T0);
+ EAX = r0;
+ EDX = r1;
+ CC_DST = r0;
+ CC_SRC = r1;
+}
+
+void helper_imulq_EAX_T0(void)
+{
+ uint64_t r0, r1;
+
+ imul64(&r0, &r1, EAX, T0);
+ EAX = r0;
+ EDX = r1;
+ CC_DST = r0;
+ CC_SRC = (r1 != (r0 >> 63));
+}
+
+void helper_imulq_T0_T1(void)
+{
+ uint64_t r0, r1;
+
+ imul64(&r0, &r1, T0, T1);
+ T0 = r0;
+ CC_DST = r0;
+ CC_SRC = ((int64_t)r1 != ((int64_t)r0 >> 63));
+}
+
+void helper_divq_EAX_T0(void)
+{
+ uint64_t r0, r1;
+ if (T0 == 0) {
+ raise_exception(EXCP00_DIVZ);
+ }
+ r0 = EAX;
+ r1 = EDX;
+ div64(&r0, &r1, T0);
+ EAX = r0;
+ EDX = r1;
+}
+
+void helper_idivq_EAX_T0(void)
+{
+ uint64_t r0, r1;
+ if (T0 == 0) {
+ raise_exception(EXCP00_DIVZ);
+ }
+ r0 = EAX;
+ r1 = EDX;
+ idiv64(&r0, &r1, T0);
+ EAX = r0;
+ EDX = r1;
+}
+
+#endif
+
#if !defined(CONFIG_USER_ONLY)
#define MMUSUFFIX _mmu
@@ -2598,7 +3231,7 @@ CPU86_LDouble cpu_set_fp80(uint64_t mant, uint16_t upper)
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(unsigned long addr, int is_write, int is_user, void *retaddr)
+void tlb_fill(target_ulong addr, int is_write, int is_user, void *retaddr)
{
TranslationBlock *tb;
int ret;
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-01 01:08:09 +0000