Commit 0573fbfc3f1c616071c59caef22975d1280b1c5d
1 parent
bbbb2f0a
SVM Support, by Alexander Graf.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3210 c046a42c-6fe2-441c-8c8c-71466251a162
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9 changed files
with
921 additions
and
15 deletions
cpu-all.h
... | ... | @@ -716,6 +716,7 @@ extern int code_copy_enabled; |
716 | 716 | #define CPU_INTERRUPT_HALT 0x20 /* CPU halt wanted */ |
717 | 717 | #define CPU_INTERRUPT_SMI 0x40 /* (x86 only) SMI interrupt pending */ |
718 | 718 | #define CPU_INTERRUPT_DEBUG 0x80 /* Debug event occured. */ |
719 | +#define CPU_INTERRUPT_VIRQ 0x100 /* virtual interrupt pending. */ | |
719 | 720 | |
720 | 721 | void cpu_interrupt(CPUState *s, int mask); |
721 | 722 | void cpu_reset_interrupt(CPUState *env, int mask); | ... | ... |
cpu-exec.c
... | ... | @@ -163,6 +163,7 @@ static inline TranslationBlock *tb_find_fast(void) |
163 | 163 | #if defined(TARGET_I386) |
164 | 164 | flags = env->hflags; |
165 | 165 | flags |= (env->eflags & (IOPL_MASK | TF_MASK | VM_MASK)); |
166 | + flags |= env->intercept; | |
166 | 167 | cs_base = env->segs[R_CS].base; |
167 | 168 | pc = cs_base + env->eip; |
168 | 169 | #elif defined(TARGET_ARM) |
... | ... | @@ -372,7 +373,11 @@ int cpu_exec(CPUState *env1) |
372 | 373 | tmp_T0 = T0; |
373 | 374 | #endif |
374 | 375 | interrupt_request = env->interrupt_request; |
375 | - if (__builtin_expect(interrupt_request, 0)) { | |
376 | + if (__builtin_expect(interrupt_request, 0) | |
377 | +#if defined(TARGET_I386) | |
378 | + && env->hflags & HF_GIF_MASK | |
379 | +#endif | |
380 | + ) { | |
376 | 381 | if (interrupt_request & CPU_INTERRUPT_DEBUG) { |
377 | 382 | env->interrupt_request &= ~CPU_INTERRUPT_DEBUG; |
378 | 383 | env->exception_index = EXCP_DEBUG; |
... | ... | @@ -390,6 +395,7 @@ int cpu_exec(CPUState *env1) |
390 | 395 | #if defined(TARGET_I386) |
391 | 396 | if ((interrupt_request & CPU_INTERRUPT_SMI) && |
392 | 397 | !(env->hflags & HF_SMM_MASK)) { |
398 | + svm_check_intercept(SVM_EXIT_SMI); | |
393 | 399 | env->interrupt_request &= ~CPU_INTERRUPT_SMI; |
394 | 400 | do_smm_enter(); |
395 | 401 | #if defined(__sparc__) && !defined(HOST_SOLARIS) |
... | ... | @@ -398,9 +404,10 @@ int cpu_exec(CPUState *env1) |
398 | 404 | T0 = 0; |
399 | 405 | #endif |
400 | 406 | } else if ((interrupt_request & CPU_INTERRUPT_HARD) && |
401 | - (env->eflags & IF_MASK) && | |
407 | + (env->eflags & IF_MASK || env->hflags & HF_HIF_MASK) && | |
402 | 408 | !(env->hflags & HF_INHIBIT_IRQ_MASK)) { |
403 | 409 | int intno; |
410 | + svm_check_intercept(SVM_EXIT_INTR); | |
404 | 411 | env->interrupt_request &= ~CPU_INTERRUPT_HARD; |
405 | 412 | intno = cpu_get_pic_interrupt(env); |
406 | 413 | if (loglevel & CPU_LOG_TB_IN_ASM) { |
... | ... | @@ -414,6 +421,24 @@ int cpu_exec(CPUState *env1) |
414 | 421 | #else |
415 | 422 | T0 = 0; |
416 | 423 | #endif |
424 | +#if !defined(CONFIG_USER_ONLY) | |
425 | + } else if ((interrupt_request & CPU_INTERRUPT_VIRQ) && | |
426 | + (env->eflags & IF_MASK) && !(env->hflags & HF_INHIBIT_IRQ_MASK)) { | |
427 | + int intno; | |
428 | + /* FIXME: this should respect TPR */ | |
429 | + env->interrupt_request &= ~CPU_INTERRUPT_VIRQ; | |
430 | + stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_ctl), | |
431 | + ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_ctl)) & ~V_IRQ_MASK); | |
432 | + intno = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_vector)); | |
433 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
434 | + fprintf(logfile, "Servicing virtual hardware INT=0x%02x\n", intno); | |
435 | + do_interrupt(intno, 0, 0, -1, 1); | |
436 | +#if defined(__sparc__) && !defined(HOST_SOLARIS) | |
437 | + tmp_T0 = 0; | |
438 | +#else | |
439 | + T0 = 0; | |
440 | +#endif | |
441 | +#endif | |
417 | 442 | } |
418 | 443 | #elif defined(TARGET_PPC) |
419 | 444 | #if 0 | ... | ... |
exec.c
... | ... | @@ -1292,6 +1292,11 @@ void cpu_abort(CPUState *env, const char *fmt, ...) |
1292 | 1292 | vfprintf(stderr, fmt, ap); |
1293 | 1293 | fprintf(stderr, "\n"); |
1294 | 1294 | #ifdef TARGET_I386 |
1295 | + if(env->intercept & INTERCEPT_SVM_MASK) { | |
1296 | + /* most probably the virtual machine should not | |
1297 | + be shut down but rather caught by the VMM */ | |
1298 | + vmexit(SVM_EXIT_SHUTDOWN, 0); | |
1299 | + } | |
1295 | 1300 | cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP); |
1296 | 1301 | #else |
1297 | 1302 | cpu_dump_state(env, stderr, fprintf, 0); | ... | ... |
target-i386/cpu.h
... | ... | @@ -84,6 +84,7 @@ |
84 | 84 | #define DESC_AVL_MASK (1 << 20) |
85 | 85 | #define DESC_P_MASK (1 << 15) |
86 | 86 | #define DESC_DPL_SHIFT 13 |
87 | +#define DESC_DPL_MASK (1 << DESC_DPL_SHIFT) | |
87 | 88 | #define DESC_S_MASK (1 << 12) |
88 | 89 | #define DESC_TYPE_SHIFT 8 |
89 | 90 | #define DESC_A_MASK (1 << 8) |
... | ... | @@ -149,6 +150,8 @@ |
149 | 150 | #define HF_VM_SHIFT 17 /* must be same as eflags */ |
150 | 151 | #define HF_HALTED_SHIFT 18 /* CPU halted */ |
151 | 152 | #define HF_SMM_SHIFT 19 /* CPU in SMM mode */ |
153 | +#define HF_GIF_SHIFT 20 /* if set CPU takes interrupts */ | |
154 | +#define HF_HIF_SHIFT 21 /* shadow copy of IF_MASK when in SVM */ | |
152 | 155 | |
153 | 156 | #define HF_CPL_MASK (3 << HF_CPL_SHIFT) |
154 | 157 | #define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT) |
... | ... | @@ -166,6 +169,8 @@ |
166 | 169 | #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT) |
167 | 170 | #define HF_HALTED_MASK (1 << HF_HALTED_SHIFT) |
168 | 171 | #define HF_SMM_MASK (1 << HF_SMM_SHIFT) |
172 | +#define HF_GIF_MASK (1 << HF_GIF_SHIFT) | |
173 | +#define HF_HIF_MASK (1 << HF_HIF_SHIFT) | |
169 | 174 | |
170 | 175 | #define CR0_PE_MASK (1 << 0) |
171 | 176 | #define CR0_MP_MASK (1 << 1) |
... | ... | @@ -249,6 +254,8 @@ |
249 | 254 | #define MSR_GSBASE 0xc0000101 |
250 | 255 | #define MSR_KERNELGSBASE 0xc0000102 |
251 | 256 | |
257 | +#define MSR_VM_HSAVE_PA 0xc0010117 | |
258 | + | |
252 | 259 | /* cpuid_features bits */ |
253 | 260 | #define CPUID_FP87 (1 << 0) |
254 | 261 | #define CPUID_VME (1 << 1) |
... | ... | @@ -283,6 +290,8 @@ |
283 | 290 | #define CPUID_EXT2_FFXSR (1 << 25) |
284 | 291 | #define CPUID_EXT2_LM (1 << 29) |
285 | 292 | |
293 | +#define CPUID_EXT3_SVM (1 << 2) | |
294 | + | |
286 | 295 | #define EXCP00_DIVZ 0 |
287 | 296 | #define EXCP01_SSTP 1 |
288 | 297 | #define EXCP02_NMI 2 |
... | ... | @@ -489,6 +498,16 @@ typedef struct CPUX86State { |
489 | 498 | uint32_t sysenter_eip; |
490 | 499 | uint64_t efer; |
491 | 500 | uint64_t star; |
501 | + | |
502 | + target_phys_addr_t vm_hsave; | |
503 | + target_phys_addr_t vm_vmcb; | |
504 | + uint64_t intercept; | |
505 | + uint16_t intercept_cr_read; | |
506 | + uint16_t intercept_cr_write; | |
507 | + uint16_t intercept_dr_read; | |
508 | + uint16_t intercept_dr_write; | |
509 | + uint32_t intercept_exceptions; | |
510 | + | |
492 | 511 | #ifdef TARGET_X86_64 |
493 | 512 | target_ulong lstar; |
494 | 513 | target_ulong cstar; |
... | ... | @@ -530,6 +549,7 @@ typedef struct CPUX86State { |
530 | 549 | uint32_t cpuid_xlevel; |
531 | 550 | uint32_t cpuid_model[12]; |
532 | 551 | uint32_t cpuid_ext2_features; |
552 | + uint32_t cpuid_ext3_features; | |
533 | 553 | uint32_t cpuid_apic_id; |
534 | 554 | |
535 | 555 | #ifdef USE_KQEMU |
... | ... | @@ -670,4 +690,6 @@ static inline int cpu_get_time_fast(void) |
670 | 690 | |
671 | 691 | #include "cpu-all.h" |
672 | 692 | |
693 | +#include "svm.h" | |
694 | + | |
673 | 695 | #endif /* CPU_I386_H */ | ... | ... |
target-i386/exec.h
... | ... | @@ -502,6 +502,15 @@ void update_fp_status(void); |
502 | 502 | void helper_hlt(void); |
503 | 503 | void helper_monitor(void); |
504 | 504 | void helper_mwait(void); |
505 | +void helper_vmrun(target_ulong addr); | |
506 | +void helper_vmmcall(void); | |
507 | +void helper_vmload(target_ulong addr); | |
508 | +void helper_vmsave(target_ulong addr); | |
509 | +void helper_stgi(void); | |
510 | +void helper_clgi(void); | |
511 | +void helper_skinit(void); | |
512 | +void helper_invlpga(void); | |
513 | +void vmexit(uint64_t exit_code, uint64_t exit_info_1); | |
505 | 514 | |
506 | 515 | extern const uint8_t parity_table[256]; |
507 | 516 | extern const uint8_t rclw_table[32]; |
... | ... | @@ -589,3 +598,4 @@ static inline int cpu_halted(CPUState *env) { |
589 | 598 | } |
590 | 599 | return EXCP_HALTED; |
591 | 600 | } |
601 | + | ... | ... |
target-i386/helper.c
... | ... | @@ -594,7 +594,18 @@ static void do_interrupt_protected(int intno, int is_int, int error_code, |
594 | 594 | int has_error_code, new_stack, shift; |
595 | 595 | uint32_t e1, e2, offset, ss, esp, ss_e1, ss_e2; |
596 | 596 | uint32_t old_eip, sp_mask; |
597 | + int svm_should_check = 1; | |
597 | 598 | |
599 | + if ((env->intercept & INTERCEPT_SVM_MASK) && !is_int && next_eip==-1) { | |
600 | + next_eip = EIP; | |
601 | + svm_should_check = 0; | |
602 | + } | |
603 | + | |
604 | + if (svm_should_check | |
605 | + && (INTERCEPTEDl(_exceptions, 1 << intno) | |
606 | + && !is_int)) { | |
607 | + raise_interrupt(intno, is_int, error_code, 0); | |
608 | + } | |
598 | 609 | has_error_code = 0; |
599 | 610 | if (!is_int && !is_hw) { |
600 | 611 | switch(intno) { |
... | ... | @@ -830,7 +841,17 @@ static void do_interrupt64(int intno, int is_int, int error_code, |
830 | 841 | int has_error_code, new_stack; |
831 | 842 | uint32_t e1, e2, e3, ss; |
832 | 843 | target_ulong old_eip, esp, offset; |
844 | + int svm_should_check = 1; | |
833 | 845 | |
846 | + if ((env->intercept & INTERCEPT_SVM_MASK) && !is_int && next_eip==-1) { | |
847 | + next_eip = EIP; | |
848 | + svm_should_check = 0; | |
849 | + } | |
850 | + if (svm_should_check | |
851 | + && INTERCEPTEDl(_exceptions, 1 << intno) | |
852 | + && !is_int) { | |
853 | + raise_interrupt(intno, is_int, error_code, 0); | |
854 | + } | |
834 | 855 | has_error_code = 0; |
835 | 856 | if (!is_int && !is_hw) { |
836 | 857 | switch(intno) { |
... | ... | @@ -1077,7 +1098,17 @@ static void do_interrupt_real(int intno, int is_int, int error_code, |
1077 | 1098 | int selector; |
1078 | 1099 | uint32_t offset, esp; |
1079 | 1100 | uint32_t old_cs, old_eip; |
1101 | + int svm_should_check = 1; | |
1080 | 1102 | |
1103 | + if ((env->intercept & INTERCEPT_SVM_MASK) && !is_int && next_eip==-1) { | |
1104 | + next_eip = EIP; | |
1105 | + svm_should_check = 0; | |
1106 | + } | |
1107 | + if (svm_should_check | |
1108 | + && INTERCEPTEDl(_exceptions, 1 << intno) | |
1109 | + && !is_int) { | |
1110 | + raise_interrupt(intno, is_int, error_code, 0); | |
1111 | + } | |
1081 | 1112 | /* real mode (simpler !) */ |
1082 | 1113 | dt = &env->idt; |
1083 | 1114 | if (intno * 4 + 3 > dt->limit) |
... | ... | @@ -1227,8 +1258,10 @@ int check_exception(int intno, int *error_code) |
1227 | 1258 | void raise_interrupt(int intno, int is_int, int error_code, |
1228 | 1259 | int next_eip_addend) |
1229 | 1260 | { |
1230 | - if (!is_int) | |
1261 | + if (!is_int) { | |
1262 | + svm_check_intercept_param(SVM_EXIT_EXCP_BASE + intno, error_code); | |
1231 | 1263 | intno = check_exception(intno, &error_code); |
1264 | + } | |
1232 | 1265 | |
1233 | 1266 | env->exception_index = intno; |
1234 | 1267 | env->error_code = error_code; |
... | ... | @@ -1671,7 +1704,7 @@ void helper_cpuid(void) |
1671 | 1704 | case 0x80000001: |
1672 | 1705 | EAX = env->cpuid_features; |
1673 | 1706 | EBX = 0; |
1674 | - ECX = 0; | |
1707 | + ECX = env->cpuid_ext3_features; | |
1675 | 1708 | EDX = env->cpuid_ext2_features; |
1676 | 1709 | break; |
1677 | 1710 | case 0x80000002: |
... | ... | @@ -2745,6 +2778,9 @@ void helper_wrmsr(void) |
2745 | 2778 | case MSR_PAT: |
2746 | 2779 | env->pat = val; |
2747 | 2780 | break; |
2781 | + case MSR_VM_HSAVE_PA: | |
2782 | + env->vm_hsave = val; | |
2783 | + break; | |
2748 | 2784 | #ifdef TARGET_X86_64 |
2749 | 2785 | case MSR_LSTAR: |
2750 | 2786 | env->lstar = val; |
... | ... | @@ -2796,6 +2832,9 @@ void helper_rdmsr(void) |
2796 | 2832 | case MSR_PAT: |
2797 | 2833 | val = env->pat; |
2798 | 2834 | break; |
2835 | + case MSR_VM_HSAVE_PA: | |
2836 | + val = env->vm_hsave; | |
2837 | + break; | |
2799 | 2838 | #ifdef TARGET_X86_64 |
2800 | 2839 | case MSR_LSTAR: |
2801 | 2840 | val = env->lstar; |
... | ... | @@ -3877,3 +3916,483 @@ void tlb_fill(target_ulong addr, int is_write, int is_user, void *retaddr) |
3877 | 3916 | } |
3878 | 3917 | env = saved_env; |
3879 | 3918 | } |
3919 | + | |
3920 | + | |
3921 | +/* Secure Virtual Machine helpers */ | |
3922 | + | |
3923 | +void helper_stgi(void) | |
3924 | +{ | |
3925 | + env->hflags |= HF_GIF_MASK; | |
3926 | +} | |
3927 | + | |
3928 | +void helper_clgi(void) | |
3929 | +{ | |
3930 | + env->hflags &= ~HF_GIF_MASK; | |
3931 | +} | |
3932 | + | |
3933 | +#if defined(CONFIG_USER_ONLY) | |
3934 | + | |
3935 | +void helper_vmrun(target_ulong addr) { } | |
3936 | +void helper_vmmcall(void) { } | |
3937 | +void helper_vmload(target_ulong addr) { } | |
3938 | +void helper_vmsave(target_ulong addr) { } | |
3939 | +void helper_skinit(void) { } | |
3940 | +void helper_invlpga(void) { } | |
3941 | +void vmexit(uint64_t exit_code, uint64_t exit_info_1) { } | |
3942 | +int svm_check_intercept_param(uint32_t type, uint64_t param) | |
3943 | +{ | |
3944 | + return 0; | |
3945 | +} | |
3946 | + | |
3947 | +#else | |
3948 | + | |
3949 | +static inline uint32_t | |
3950 | +vmcb2cpu_attrib(uint16_t vmcb_attrib, uint32_t vmcb_base, uint32_t vmcb_limit) | |
3951 | +{ | |
3952 | + return ((vmcb_attrib & 0x00ff) << 8) /* Type, S, DPL, P */ | |
3953 | + | ((vmcb_attrib & 0x0f00) << 12) /* AVL, L, DB, G */ | |
3954 | + | ((vmcb_base >> 16) & 0xff) /* Base 23-16 */ | |
3955 | + | (vmcb_base & 0xff000000) /* Base 31-24 */ | |
3956 | + | (vmcb_limit & 0xf0000); /* Limit 19-16 */ | |
3957 | +} | |
3958 | + | |
3959 | +static inline uint16_t cpu2vmcb_attrib(uint32_t cpu_attrib) | |
3960 | +{ | |
3961 | + return ((cpu_attrib >> 8) & 0xff) /* Type, S, DPL, P */ | |
3962 | + | ((cpu_attrib & 0xf00000) >> 12); /* AVL, L, DB, G */ | |
3963 | +} | |
3964 | + | |
3965 | +extern uint8_t *phys_ram_base; | |
3966 | +void helper_vmrun(target_ulong addr) | |
3967 | +{ | |
3968 | + uint32_t event_inj; | |
3969 | + uint32_t int_ctl; | |
3970 | + | |
3971 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
3972 | + fprintf(logfile,"vmrun! " TARGET_FMT_lx "\n", addr); | |
3973 | + | |
3974 | + env->vm_vmcb = addr; | |
3975 | + regs_to_env(); | |
3976 | + | |
3977 | + /* save the current CPU state in the hsave page */ | |
3978 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.gdtr.base), env->gdt.base); | |
3979 | + stl_phys(env->vm_hsave + offsetof(struct vmcb, save.gdtr.limit), env->gdt.limit); | |
3980 | + | |
3981 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.idtr.base), env->idt.base); | |
3982 | + stl_phys(env->vm_hsave + offsetof(struct vmcb, save.idtr.limit), env->idt.limit); | |
3983 | + | |
3984 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr0), env->cr[0]); | |
3985 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr2), env->cr[2]); | |
3986 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr3), env->cr[3]); | |
3987 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr4), env->cr[4]); | |
3988 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr8), env->cr[8]); | |
3989 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.dr6), env->dr[6]); | |
3990 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.dr7), env->dr[7]); | |
3991 | + | |
3992 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.efer), env->efer); | |
3993 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.rflags), compute_eflags()); | |
3994 | + | |
3995 | + SVM_SAVE_SEG(env->vm_hsave, segs[R_ES], es); | |
3996 | + SVM_SAVE_SEG(env->vm_hsave, segs[R_CS], cs); | |
3997 | + SVM_SAVE_SEG(env->vm_hsave, segs[R_SS], ss); | |
3998 | + SVM_SAVE_SEG(env->vm_hsave, segs[R_DS], ds); | |
3999 | + | |
4000 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.rip), EIP); | |
4001 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.rsp), ESP); | |
4002 | + stq_phys(env->vm_hsave + offsetof(struct vmcb, save.rax), EAX); | |
4003 | + | |
4004 | + /* load the interception bitmaps so we do not need to access the | |
4005 | + vmcb in svm mode */ | |
4006 | + /* We shift all the intercept bits so we can OR them with the TB | |
4007 | + flags later on */ | |
4008 | + env->intercept = (ldq_phys(env->vm_vmcb + offsetof(struct vmcb, control.intercept)) << INTERCEPT_INTR) | INTERCEPT_SVM_MASK; | |
4009 | + env->intercept_cr_read = lduw_phys(env->vm_vmcb + offsetof(struct vmcb, control.intercept_cr_read)); | |
4010 | + env->intercept_cr_write = lduw_phys(env->vm_vmcb + offsetof(struct vmcb, control.intercept_cr_write)); | |
4011 | + env->intercept_dr_read = lduw_phys(env->vm_vmcb + offsetof(struct vmcb, control.intercept_dr_read)); | |
4012 | + env->intercept_dr_write = lduw_phys(env->vm_vmcb + offsetof(struct vmcb, control.intercept_dr_write)); | |
4013 | + env->intercept_exceptions = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.intercept_exceptions)); | |
4014 | + | |
4015 | + env->gdt.base = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.gdtr.base)); | |
4016 | + env->gdt.limit = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, save.gdtr.limit)); | |
4017 | + | |
4018 | + env->idt.base = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.idtr.base)); | |
4019 | + env->idt.limit = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, save.idtr.limit)); | |
4020 | + | |
4021 | + /* clear exit_info_2 so we behave like the real hardware */ | |
4022 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2), 0); | |
4023 | + | |
4024 | + cpu_x86_update_cr0(env, ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr0))); | |
4025 | + cpu_x86_update_cr4(env, ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr4))); | |
4026 | + cpu_x86_update_cr3(env, ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr3))); | |
4027 | + env->cr[2] = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr2)); | |
4028 | + int_ctl = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_ctl)); | |
4029 | + if (int_ctl & V_INTR_MASKING_MASK) { | |
4030 | + env->cr[8] = int_ctl & V_TPR_MASK; | |
4031 | + if (env->eflags & IF_MASK) | |
4032 | + env->hflags |= HF_HIF_MASK; | |
4033 | + } | |
4034 | + | |
4035 | +#ifdef TARGET_X86_64 | |
4036 | + env->efer = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.efer)); | |
4037 | + env->hflags &= ~HF_LMA_MASK; | |
4038 | + if (env->efer & MSR_EFER_LMA) | |
4039 | + env->hflags |= HF_LMA_MASK; | |
4040 | +#endif | |
4041 | + env->eflags = 0; | |
4042 | + load_eflags(ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rflags)), | |
4043 | + ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK)); | |
4044 | + CC_OP = CC_OP_EFLAGS; | |
4045 | + CC_DST = 0xffffffff; | |
4046 | + | |
4047 | + SVM_LOAD_SEG(env->vm_vmcb, ES, es); | |
4048 | + SVM_LOAD_SEG(env->vm_vmcb, CS, cs); | |
4049 | + SVM_LOAD_SEG(env->vm_vmcb, SS, ss); | |
4050 | + SVM_LOAD_SEG(env->vm_vmcb, DS, ds); | |
4051 | + | |
4052 | + EIP = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rip)); | |
4053 | + env->eip = EIP; | |
4054 | + ESP = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rsp)); | |
4055 | + EAX = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rax)); | |
4056 | + env->dr[7] = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.dr7)); | |
4057 | + env->dr[6] = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, save.dr6)); | |
4058 | + cpu_x86_set_cpl(env, ldub_phys(env->vm_vmcb + offsetof(struct vmcb, save.cpl))); | |
4059 | + | |
4060 | + /* FIXME: guest state consistency checks */ | |
4061 | + | |
4062 | + switch(ldub_phys(env->vm_vmcb + offsetof(struct vmcb, control.tlb_ctl))) { | |
4063 | + case TLB_CONTROL_DO_NOTHING: | |
4064 | + break; | |
4065 | + case TLB_CONTROL_FLUSH_ALL_ASID: | |
4066 | + /* FIXME: this is not 100% correct but should work for now */ | |
4067 | + tlb_flush(env, 1); | |
4068 | + break; | |
4069 | + } | |
4070 | + | |
4071 | + helper_stgi(); | |
4072 | + | |
4073 | + regs_to_env(); | |
4074 | + | |
4075 | + /* maybe we need to inject an event */ | |
4076 | + event_inj = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj)); | |
4077 | + if (event_inj & SVM_EVTINJ_VALID) { | |
4078 | + uint8_t vector = event_inj & SVM_EVTINJ_VEC_MASK; | |
4079 | + uint16_t valid_err = event_inj & SVM_EVTINJ_VALID_ERR; | |
4080 | + uint32_t event_inj_err = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj_err)); | |
4081 | + stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj), event_inj & ~SVM_EVTINJ_VALID); | |
4082 | + | |
4083 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4084 | + fprintf(logfile, "Injecting(%#hx): ", valid_err); | |
4085 | + /* FIXME: need to implement valid_err */ | |
4086 | + switch (event_inj & SVM_EVTINJ_TYPE_MASK) { | |
4087 | + case SVM_EVTINJ_TYPE_INTR: | |
4088 | + env->exception_index = vector; | |
4089 | + env->error_code = event_inj_err; | |
4090 | + env->exception_is_int = 1; | |
4091 | + env->exception_next_eip = -1; | |
4092 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4093 | + fprintf(logfile, "INTR"); | |
4094 | + break; | |
4095 | + case SVM_EVTINJ_TYPE_NMI: | |
4096 | + env->exception_index = vector; | |
4097 | + env->error_code = event_inj_err; | |
4098 | + env->exception_is_int = 1; | |
4099 | + env->exception_next_eip = EIP; | |
4100 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4101 | + fprintf(logfile, "NMI"); | |
4102 | + break; | |
4103 | + case SVM_EVTINJ_TYPE_EXEPT: | |
4104 | + env->exception_index = vector; | |
4105 | + env->error_code = event_inj_err; | |
4106 | + env->exception_is_int = 0; | |
4107 | + env->exception_next_eip = -1; | |
4108 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4109 | + fprintf(logfile, "EXEPT"); | |
4110 | + break; | |
4111 | + case SVM_EVTINJ_TYPE_SOFT: | |
4112 | + env->exception_index = vector; | |
4113 | + env->error_code = event_inj_err; | |
4114 | + env->exception_is_int = 1; | |
4115 | + env->exception_next_eip = EIP; | |
4116 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4117 | + fprintf(logfile, "SOFT"); | |
4118 | + break; | |
4119 | + } | |
4120 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4121 | + fprintf(logfile, " %#x %#x\n", env->exception_index, env->error_code); | |
4122 | + } | |
4123 | + if (int_ctl & V_IRQ_MASK) | |
4124 | + env->interrupt_request |= CPU_INTERRUPT_VIRQ; | |
4125 | + | |
4126 | + cpu_loop_exit(); | |
4127 | +} | |
4128 | + | |
4129 | +void helper_vmmcall(void) | |
4130 | +{ | |
4131 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4132 | + fprintf(logfile,"vmmcall!\n"); | |
4133 | +} | |
4134 | + | |
4135 | +void helper_vmload(target_ulong addr) | |
4136 | +{ | |
4137 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4138 | + fprintf(logfile,"vmload! " TARGET_FMT_lx "\nFS: %016" PRIx64 " | " TARGET_FMT_lx "\n", | |
4139 | + addr, ldq_phys(addr + offsetof(struct vmcb, save.fs.base)), | |
4140 | + env->segs[R_FS].base); | |
4141 | + | |
4142 | + SVM_LOAD_SEG2(addr, segs[R_FS], fs); | |
4143 | + SVM_LOAD_SEG2(addr, segs[R_GS], gs); | |
4144 | + SVM_LOAD_SEG2(addr, tr, tr); | |
4145 | + SVM_LOAD_SEG2(addr, ldt, ldtr); | |
4146 | + | |
4147 | +#ifdef TARGET_X86_64 | |
4148 | + env->kernelgsbase = ldq_phys(addr + offsetof(struct vmcb, save.kernel_gs_base)); | |
4149 | + env->lstar = ldq_phys(addr + offsetof(struct vmcb, save.lstar)); | |
4150 | + env->cstar = ldq_phys(addr + offsetof(struct vmcb, save.cstar)); | |
4151 | + env->fmask = ldq_phys(addr + offsetof(struct vmcb, save.sfmask)); | |
4152 | +#endif | |
4153 | + env->star = ldq_phys(addr + offsetof(struct vmcb, save.star)); | |
4154 | + env->sysenter_cs = ldq_phys(addr + offsetof(struct vmcb, save.sysenter_cs)); | |
4155 | + env->sysenter_esp = ldq_phys(addr + offsetof(struct vmcb, save.sysenter_esp)); | |
4156 | + env->sysenter_eip = ldq_phys(addr + offsetof(struct vmcb, save.sysenter_eip)); | |
4157 | +} | |
4158 | + | |
4159 | +void helper_vmsave(target_ulong addr) | |
4160 | +{ | |
4161 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4162 | + fprintf(logfile,"vmsave! " TARGET_FMT_lx "\nFS: %016" PRIx64 " | " TARGET_FMT_lx "\n", | |
4163 | + addr, ldq_phys(addr + offsetof(struct vmcb, save.fs.base)), | |
4164 | + env->segs[R_FS].base); | |
4165 | + | |
4166 | + SVM_SAVE_SEG(addr, segs[R_FS], fs); | |
4167 | + SVM_SAVE_SEG(addr, segs[R_GS], gs); | |
4168 | + SVM_SAVE_SEG(addr, tr, tr); | |
4169 | + SVM_SAVE_SEG(addr, ldt, ldtr); | |
4170 | + | |
4171 | +#ifdef TARGET_X86_64 | |
4172 | + stq_phys(addr + offsetof(struct vmcb, save.kernel_gs_base), env->kernelgsbase); | |
4173 | + stq_phys(addr + offsetof(struct vmcb, save.lstar), env->lstar); | |
4174 | + stq_phys(addr + offsetof(struct vmcb, save.cstar), env->cstar); | |
4175 | + stq_phys(addr + offsetof(struct vmcb, save.sfmask), env->fmask); | |
4176 | +#endif | |
4177 | + stq_phys(addr + offsetof(struct vmcb, save.star), env->star); | |
4178 | + stq_phys(addr + offsetof(struct vmcb, save.sysenter_cs), env->sysenter_cs); | |
4179 | + stq_phys(addr + offsetof(struct vmcb, save.sysenter_esp), env->sysenter_esp); | |
4180 | + stq_phys(addr + offsetof(struct vmcb, save.sysenter_eip), env->sysenter_eip); | |
4181 | +} | |
4182 | + | |
4183 | +void helper_skinit(void) | |
4184 | +{ | |
4185 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4186 | + fprintf(logfile,"skinit!\n"); | |
4187 | +} | |
4188 | + | |
4189 | +void helper_invlpga(void) | |
4190 | +{ | |
4191 | + tlb_flush(env, 0); | |
4192 | +} | |
4193 | + | |
4194 | +int svm_check_intercept_param(uint32_t type, uint64_t param) | |
4195 | +{ | |
4196 | + switch(type) { | |
4197 | + case SVM_EXIT_READ_CR0 ... SVM_EXIT_READ_CR0 + 8: | |
4198 | + if (INTERCEPTEDw(_cr_read, (1 << (type - SVM_EXIT_READ_CR0)))) { | |
4199 | + vmexit(type, param); | |
4200 | + return 1; | |
4201 | + } | |
4202 | + break; | |
4203 | + case SVM_EXIT_READ_DR0 ... SVM_EXIT_READ_DR0 + 8: | |
4204 | + if (INTERCEPTEDw(_dr_read, (1 << (type - SVM_EXIT_READ_DR0)))) { | |
4205 | + vmexit(type, param); | |
4206 | + return 1; | |
4207 | + } | |
4208 | + break; | |
4209 | + case SVM_EXIT_WRITE_CR0 ... SVM_EXIT_WRITE_CR0 + 8: | |
4210 | + if (INTERCEPTEDw(_cr_write, (1 << (type - SVM_EXIT_WRITE_CR0)))) { | |
4211 | + vmexit(type, param); | |
4212 | + return 1; | |
4213 | + } | |
4214 | + break; | |
4215 | + case SVM_EXIT_WRITE_DR0 ... SVM_EXIT_WRITE_DR0 + 8: | |
4216 | + if (INTERCEPTEDw(_dr_write, (1 << (type - SVM_EXIT_WRITE_DR0)))) { | |
4217 | + vmexit(type, param); | |
4218 | + return 1; | |
4219 | + } | |
4220 | + break; | |
4221 | + case SVM_EXIT_EXCP_BASE ... SVM_EXIT_EXCP_BASE + 16: | |
4222 | + if (INTERCEPTEDl(_exceptions, (1 << (type - SVM_EXIT_EXCP_BASE)))) { | |
4223 | + vmexit(type, param); | |
4224 | + return 1; | |
4225 | + } | |
4226 | + break; | |
4227 | + case SVM_EXIT_IOIO: | |
4228 | + if (INTERCEPTED(1ULL << INTERCEPT_IOIO_PROT)) { | |
4229 | + /* FIXME: this should be read in at vmrun (faster this way?) */ | |
4230 | + uint64_t addr = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, control.iopm_base_pa)); | |
4231 | + uint16_t port = (uint16_t) (param >> 16); | |
4232 | + | |
4233 | + if(ldub_phys(addr + port / 8) & (1 << (port % 8))) | |
4234 | + vmexit(type, param); | |
4235 | + } | |
4236 | + break; | |
4237 | + | |
4238 | + case SVM_EXIT_MSR: | |
4239 | + if (INTERCEPTED(1ULL << INTERCEPT_MSR_PROT)) { | |
4240 | + /* FIXME: this should be read in at vmrun (faster this way?) */ | |
4241 | + uint64_t addr = ldq_phys(env->vm_vmcb + offsetof(struct vmcb, control.msrpm_base_pa)); | |
4242 | + switch((uint32_t)ECX) { | |
4243 | + case 0 ... 0x1fff: | |
4244 | + T0 = (ECX * 2) % 8; | |
4245 | + T1 = ECX / 8; | |
4246 | + break; | |
4247 | + case 0xc0000000 ... 0xc0001fff: | |
4248 | + T0 = (8192 + ECX - 0xc0000000) * 2; | |
4249 | + T1 = (T0 / 8); | |
4250 | + T0 %= 8; | |
4251 | + break; | |
4252 | + case 0xc0010000 ... 0xc0011fff: | |
4253 | + T0 = (16384 + ECX - 0xc0010000) * 2; | |
4254 | + T1 = (T0 / 8); | |
4255 | + T0 %= 8; | |
4256 | + break; | |
4257 | + default: | |
4258 | + vmexit(type, param); | |
4259 | + return 1; | |
4260 | + } | |
4261 | + if (ldub_phys(addr + T1) & ((1 << param) << T0)) | |
4262 | + vmexit(type, param); | |
4263 | + return 1; | |
4264 | + } | |
4265 | + break; | |
4266 | + default: | |
4267 | + if (INTERCEPTED((1ULL << ((type - SVM_EXIT_INTR) + INTERCEPT_INTR)))) { | |
4268 | + vmexit(type, param); | |
4269 | + return 1; | |
4270 | + } | |
4271 | + break; | |
4272 | + } | |
4273 | + return 0; | |
4274 | +} | |
4275 | + | |
4276 | +void vmexit(uint64_t exit_code, uint64_t exit_info_1) | |
4277 | +{ | |
4278 | + uint32_t int_ctl; | |
4279 | + | |
4280 | + if (loglevel & CPU_LOG_TB_IN_ASM) | |
4281 | + fprintf(logfile,"vmexit(%016" PRIx64 ", %016" PRIx64 ", %016" PRIx64 ", " TARGET_FMT_lx ")!\n", | |
4282 | + exit_code, exit_info_1, | |
4283 | + ldq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2)), | |
4284 | + EIP); | |
4285 | + | |
4286 | + /* Save the VM state in the vmcb */ | |
4287 | + SVM_SAVE_SEG(env->vm_vmcb, segs[R_ES], es); | |
4288 | + SVM_SAVE_SEG(env->vm_vmcb, segs[R_CS], cs); | |
4289 | + SVM_SAVE_SEG(env->vm_vmcb, segs[R_SS], ss); | |
4290 | + SVM_SAVE_SEG(env->vm_vmcb, segs[R_DS], ds); | |
4291 | + | |
4292 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.gdtr.base), env->gdt.base); | |
4293 | + stl_phys(env->vm_vmcb + offsetof(struct vmcb, save.gdtr.limit), env->gdt.limit); | |
4294 | + | |
4295 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.idtr.base), env->idt.base); | |
4296 | + stl_phys(env->vm_vmcb + offsetof(struct vmcb, save.idtr.limit), env->idt.limit); | |
4297 | + | |
4298 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.efer), env->efer); | |
4299 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr0), env->cr[0]); | |
4300 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr2), env->cr[2]); | |
4301 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr3), env->cr[3]); | |
4302 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.cr4), env->cr[4]); | |
4303 | + | |
4304 | + if ((int_ctl = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_ctl))) & V_INTR_MASKING_MASK) { | |
4305 | + int_ctl &= ~V_TPR_MASK; | |
4306 | + int_ctl |= env->cr[8] & V_TPR_MASK; | |
4307 | + stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_ctl), int_ctl); | |
4308 | + } | |
4309 | + | |
4310 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rflags), compute_eflags()); | |
4311 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rip), env->eip); | |
4312 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rsp), ESP); | |
4313 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.rax), EAX); | |
4314 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.dr7), env->dr[7]); | |
4315 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, save.dr6), env->dr[6]); | |
4316 | + stb_phys(env->vm_vmcb + offsetof(struct vmcb, save.cpl), env->hflags & HF_CPL_MASK); | |
4317 | + | |
4318 | + /* Reload the host state from vm_hsave */ | |
4319 | + env->hflags &= ~HF_HIF_MASK; | |
4320 | + env->intercept = 0; | |
4321 | + env->intercept_exceptions = 0; | |
4322 | + env->interrupt_request &= ~CPU_INTERRUPT_VIRQ; | |
4323 | + | |
4324 | + env->gdt.base = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.gdtr.base)); | |
4325 | + env->gdt.limit = ldl_phys(env->vm_hsave + offsetof(struct vmcb, save.gdtr.limit)); | |
4326 | + | |
4327 | + env->idt.base = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.idtr.base)); | |
4328 | + env->idt.limit = ldl_phys(env->vm_hsave + offsetof(struct vmcb, save.idtr.limit)); | |
4329 | + | |
4330 | + cpu_x86_update_cr0(env, ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr0)) | CR0_PE_MASK); | |
4331 | + cpu_x86_update_cr4(env, ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr4))); | |
4332 | + cpu_x86_update_cr3(env, ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr3))); | |
4333 | + if (int_ctl & V_INTR_MASKING_MASK) | |
4334 | + env->cr[8] = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.cr8)); | |
4335 | + /* we need to set the efer after the crs so the hidden flags get set properly */ | |
4336 | +#ifdef TARGET_X86_64 | |
4337 | + env->efer = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.efer)); | |
4338 | + env->hflags &= ~HF_LMA_MASK; | |
4339 | + if (env->efer & MSR_EFER_LMA) | |
4340 | + env->hflags |= HF_LMA_MASK; | |
4341 | +#endif | |
4342 | + | |
4343 | + env->eflags = 0; | |
4344 | + load_eflags(ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.rflags)), | |
4345 | + ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C | DF_MASK)); | |
4346 | + CC_OP = CC_OP_EFLAGS; | |
4347 | + | |
4348 | + SVM_LOAD_SEG(env->vm_hsave, ES, es); | |
4349 | + SVM_LOAD_SEG(env->vm_hsave, CS, cs); | |
4350 | + SVM_LOAD_SEG(env->vm_hsave, SS, ss); | |
4351 | + SVM_LOAD_SEG(env->vm_hsave, DS, ds); | |
4352 | + | |
4353 | + EIP = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.rip)); | |
4354 | + ESP = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.rsp)); | |
4355 | + EAX = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.rax)); | |
4356 | + | |
4357 | + env->dr[6] = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.dr6)); | |
4358 | + env->dr[7] = ldq_phys(env->vm_hsave + offsetof(struct vmcb, save.dr7)); | |
4359 | + | |
4360 | + /* other setups */ | |
4361 | + cpu_x86_set_cpl(env, 0); | |
4362 | + stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_code_hi), (uint32_t)(exit_code >> 32)); | |
4363 | + stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_code), exit_code); | |
4364 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_1), exit_info_1); | |
4365 | + | |
4366 | + helper_clgi(); | |
4367 | + /* FIXME: Resets the current ASID register to zero (host ASID). */ | |
4368 | + | |
4369 | + /* Clears the V_IRQ and V_INTR_MASKING bits inside the processor. */ | |
4370 | + | |
4371 | + /* Clears the TSC_OFFSET inside the processor. */ | |
4372 | + | |
4373 | + /* If the host is in PAE mode, the processor reloads the host's PDPEs | |
4374 | + from the page table indicated the host's CR3. If the PDPEs contain | |
4375 | + illegal state, the processor causes a shutdown. */ | |
4376 | + | |
4377 | + /* Forces CR0.PE = 1, RFLAGS.VM = 0. */ | |
4378 | + env->cr[0] |= CR0_PE_MASK; | |
4379 | + env->eflags &= ~VM_MASK; | |
4380 | + | |
4381 | + /* Disables all breakpoints in the host DR7 register. */ | |
4382 | + | |
4383 | + /* Checks the reloaded host state for consistency. */ | |
4384 | + | |
4385 | + /* If the host's rIP reloaded by #VMEXIT is outside the limit of the | |
4386 | + host's code segment or non-canonical (in the case of long mode), a | |
4387 | + #GP fault is delivered inside the host.) */ | |
4388 | + | |
4389 | + /* remove any pending exception */ | |
4390 | + env->exception_index = -1; | |
4391 | + env->error_code = 0; | |
4392 | + env->old_exception = -1; | |
4393 | + | |
4394 | + regs_to_env(); | |
4395 | + cpu_loop_exit(); | |
4396 | +} | |
4397 | + | |
4398 | +#endif | ... | ... |
target-i386/helper2.c
... | ... | @@ -27,6 +27,7 @@ |
27 | 27 | |
28 | 28 | #include "cpu.h" |
29 | 29 | #include "exec-all.h" |
30 | +#include "svm.h" | |
30 | 31 | |
31 | 32 | //#define DEBUG_MMU |
32 | 33 | |
... | ... | @@ -111,10 +112,11 @@ CPUX86State *cpu_x86_init(void) |
111 | 112 | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | |
112 | 113 | CPUID_PAT); |
113 | 114 | env->pat = 0x0007040600070406ULL; |
115 | + env->cpuid_ext3_features = CPUID_EXT3_SVM; | |
114 | 116 | env->cpuid_ext_features = CPUID_EXT_SSE3; |
115 | 117 | env->cpuid_features |= CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | CPUID_PAE | CPUID_SEP; |
116 | 118 | env->cpuid_features |= CPUID_APIC; |
117 | - env->cpuid_xlevel = 0x80000006; | |
119 | + env->cpuid_xlevel = 0x8000000e; | |
118 | 120 | { |
119 | 121 | const char *model_id = "QEMU Virtual CPU version " QEMU_VERSION; |
120 | 122 | int c, len, i; |
... | ... | @@ -131,7 +133,6 @@ CPUX86State *cpu_x86_init(void) |
131 | 133 | /* currently not enabled for std i386 because not fully tested */ |
132 | 134 | env->cpuid_ext2_features = (env->cpuid_features & 0x0183F3FF); |
133 | 135 | env->cpuid_ext2_features |= CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX; |
134 | - env->cpuid_xlevel = 0x80000008; | |
135 | 136 | |
136 | 137 | /* these features are needed for Win64 and aren't fully implemented */ |
137 | 138 | env->cpuid_features |= CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA; |
... | ... | @@ -162,6 +163,7 @@ void cpu_reset(CPUX86State *env) |
162 | 163 | #ifdef CONFIG_SOFTMMU |
163 | 164 | env->hflags |= HF_SOFTMMU_MASK; |
164 | 165 | #endif |
166 | + env->hflags |= HF_GIF_MASK; | |
165 | 167 | |
166 | 168 | cpu_x86_update_cr0(env, 0x60000010); |
167 | 169 | env->a20_mask = 0xffffffff; |
... | ... | @@ -865,7 +867,6 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr, |
865 | 867 | do_fault_protect: |
866 | 868 | error_code = PG_ERROR_P_MASK; |
867 | 869 | do_fault: |
868 | - env->cr[2] = addr; | |
869 | 870 | error_code |= (is_write << PG_ERROR_W_BIT); |
870 | 871 | if (is_user) |
871 | 872 | error_code |= PG_ERROR_U_MASK; |
... | ... | @@ -873,8 +874,16 @@ int cpu_x86_handle_mmu_fault(CPUX86State *env, target_ulong addr, |
873 | 874 | (env->efer & MSR_EFER_NXE) && |
874 | 875 | (env->cr[4] & CR4_PAE_MASK)) |
875 | 876 | error_code |= PG_ERROR_I_D_MASK; |
877 | + if (INTERCEPTEDl(_exceptions, 1 << EXCP0E_PAGE)) { | |
878 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2), addr); | |
879 | + } else { | |
880 | + env->cr[2] = addr; | |
881 | + } | |
876 | 882 | env->error_code = error_code; |
877 | 883 | env->exception_index = EXCP0E_PAGE; |
884 | + /* the VMM will handle this */ | |
885 | + if (INTERCEPTEDl(_exceptions, 1 << EXCP0E_PAGE)) | |
886 | + return 2; | |
878 | 887 | return 1; |
879 | 888 | } |
880 | 889 | ... | ... |
target-i386/op.c
... | ... | @@ -513,8 +513,6 @@ typedef union UREG64 { |
513 | 513 | } UREG64; |
514 | 514 | #endif |
515 | 515 | |
516 | -#ifdef TARGET_X86_64 | |
517 | - | |
518 | 516 | #define PARAMQ1 \ |
519 | 517 | ({\ |
520 | 518 | UREG64 __p;\ |
... | ... | @@ -523,6 +521,8 @@ typedef union UREG64 { |
523 | 521 | __p.q;\ |
524 | 522 | }) |
525 | 523 | |
524 | +#ifdef TARGET_X86_64 | |
525 | + | |
526 | 526 | void OPPROTO op_movq_T0_im64(void) |
527 | 527 | { |
528 | 528 | T0 = PARAMQ1; |
... | ... | @@ -1242,12 +1242,52 @@ void OPPROTO op_ltr_T0(void) |
1242 | 1242 | helper_ltr_T0(); |
1243 | 1243 | } |
1244 | 1244 | |
1245 | -/* CR registers access */ | |
1245 | +/* CR registers access. */ | |
1246 | 1246 | void OPPROTO op_movl_crN_T0(void) |
1247 | 1247 | { |
1248 | 1248 | helper_movl_crN_T0(PARAM1); |
1249 | 1249 | } |
1250 | 1250 | |
1251 | +/* These pseudo-opcodes check for SVM intercepts. */ | |
1252 | +void OPPROTO op_svm_check_intercept(void) | |
1253 | +{ | |
1254 | + A0 = PARAM1 & PARAM2; | |
1255 | + svm_check_intercept(PARAMQ1); | |
1256 | +} | |
1257 | + | |
1258 | +void OPPROTO op_svm_check_intercept_param(void) | |
1259 | +{ | |
1260 | + A0 = PARAM1 & PARAM2; | |
1261 | + svm_check_intercept_param(PARAMQ1, T1); | |
1262 | +} | |
1263 | + | |
1264 | +void OPPROTO op_svm_vmexit(void) | |
1265 | +{ | |
1266 | + A0 = PARAM1 & PARAM2; | |
1267 | + vmexit(PARAMQ1, T1); | |
1268 | +} | |
1269 | + | |
1270 | +void OPPROTO op_geneflags(void) | |
1271 | +{ | |
1272 | + CC_SRC = cc_table[CC_OP].compute_all(); | |
1273 | +} | |
1274 | + | |
1275 | +/* This pseudo-opcode checks for IO intercepts. */ | |
1276 | +#if !defined(CONFIG_USER_ONLY) | |
1277 | +void OPPROTO op_svm_check_intercept_io(void) | |
1278 | +{ | |
1279 | + A0 = PARAM1 & PARAM2; | |
1280 | + /* PARAMQ1 = TYPE (0 = OUT, 1 = IN; 4 = STRING; 8 = REP) | |
1281 | + T0 = PORT | |
1282 | + T1 = next eip */ | |
1283 | + stq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2), T1); | |
1284 | + /* ASIZE does not appear on real hw */ | |
1285 | + svm_check_intercept_param(SVM_EXIT_IOIO, | |
1286 | + (PARAMQ1 & ~SVM_IOIO_ASIZE_MASK) | | |
1287 | + ((T0 & 0xffff) << 16)); | |
1288 | +} | |
1289 | +#endif | |
1290 | + | |
1251 | 1291 | #if !defined(CONFIG_USER_ONLY) |
1252 | 1292 | void OPPROTO op_movtl_T0_cr8(void) |
1253 | 1293 | { |
... | ... | @@ -2452,3 +2492,45 @@ void OPPROTO op_emms(void) |
2452 | 2492 | |
2453 | 2493 | #define SHIFT 1 |
2454 | 2494 | #include "ops_sse.h" |
2495 | + | |
2496 | +/* Secure Virtual Machine ops */ | |
2497 | + | |
2498 | +void OPPROTO op_vmrun(void) | |
2499 | +{ | |
2500 | + helper_vmrun(EAX); | |
2501 | +} | |
2502 | + | |
2503 | +void OPPROTO op_vmmcall(void) | |
2504 | +{ | |
2505 | + helper_vmmcall(); | |
2506 | +} | |
2507 | + | |
2508 | +void OPPROTO op_vmload(void) | |
2509 | +{ | |
2510 | + helper_vmload(EAX); | |
2511 | +} | |
2512 | + | |
2513 | +void OPPROTO op_vmsave(void) | |
2514 | +{ | |
2515 | + helper_vmsave(EAX); | |
2516 | +} | |
2517 | + | |
2518 | +void OPPROTO op_stgi(void) | |
2519 | +{ | |
2520 | + helper_stgi(); | |
2521 | +} | |
2522 | + | |
2523 | +void OPPROTO op_clgi(void) | |
2524 | +{ | |
2525 | + helper_clgi(); | |
2526 | +} | |
2527 | + | |
2528 | +void OPPROTO op_skinit(void) | |
2529 | +{ | |
2530 | + helper_skinit(); | |
2531 | +} | |
2532 | + | |
2533 | +void OPPROTO op_invlpga(void) | |
2534 | +{ | |
2535 | + helper_invlpga(); | |
2536 | +} | ... | ... |
target-i386/translate.c
... | ... | @@ -1995,6 +1995,98 @@ static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip) |
1995 | 1995 | } |
1996 | 1996 | } |
1997 | 1997 | |
1998 | +#ifdef TARGET_X86_64 | |
1999 | +#define SVM_movq_T1_im(x) gen_op_movq_T1_im64((x) >> 32, x) | |
2000 | +#else | |
2001 | +#define SVM_movq_T1_im(x) gen_op_movl_T1_im(x) | |
2002 | +#endif | |
2003 | + | |
2004 | +static inline int | |
2005 | +gen_svm_check_io(DisasContext *s, target_ulong pc_start, uint64_t type) | |
2006 | +{ | |
2007 | +#if !defined(CONFIG_USER_ONLY) | |
2008 | + if(s->flags & (1ULL << INTERCEPT_IOIO_PROT)) { | |
2009 | + if (s->cc_op != CC_OP_DYNAMIC) | |
2010 | + gen_op_set_cc_op(s->cc_op); | |
2011 | + SVM_movq_T1_im(s->pc - s->cs_base); | |
2012 | + gen_jmp_im(pc_start - s->cs_base); | |
2013 | + gen_op_geneflags(); | |
2014 | + gen_op_svm_check_intercept_io((uint32_t)(type >> 32), (uint32_t)type); | |
2015 | + s->cc_op = CC_OP_DYNAMIC; | |
2016 | + /* FIXME: maybe we could move the io intercept vector to the TB as well | |
2017 | + so we know if this is an EOB or not ... let's assume it's not | |
2018 | + for now. */ | |
2019 | + } | |
2020 | +#endif | |
2021 | + return 0; | |
2022 | +} | |
2023 | + | |
2024 | +static inline int svm_is_rep(int prefixes) | |
2025 | +{ | |
2026 | + return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); | |
2027 | +} | |
2028 | + | |
2029 | +static inline int | |
2030 | +gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start, | |
2031 | + uint64_t type, uint64_t param) | |
2032 | +{ | |
2033 | + if(!(s->flags & (INTERCEPT_SVM_MASK))) | |
2034 | + /* no SVM activated */ | |
2035 | + return 0; | |
2036 | + switch(type) { | |
2037 | + /* CRx and DRx reads/writes */ | |
2038 | + case SVM_EXIT_READ_CR0 ... SVM_EXIT_EXCP_BASE - 1: | |
2039 | + if (s->cc_op != CC_OP_DYNAMIC) { | |
2040 | + gen_op_set_cc_op(s->cc_op); | |
2041 | + s->cc_op = CC_OP_DYNAMIC; | |
2042 | + } | |
2043 | + gen_jmp_im(pc_start - s->cs_base); | |
2044 | + SVM_movq_T1_im(param); | |
2045 | + gen_op_geneflags(); | |
2046 | + gen_op_svm_check_intercept_param((uint32_t)(type >> 32), (uint32_t)type); | |
2047 | + /* this is a special case as we do not know if the interception occurs | |
2048 | + so we assume there was none */ | |
2049 | + return 0; | |
2050 | + case SVM_EXIT_MSR: | |
2051 | + if(s->flags & (1ULL << INTERCEPT_MSR_PROT)) { | |
2052 | + if (s->cc_op != CC_OP_DYNAMIC) { | |
2053 | + gen_op_set_cc_op(s->cc_op); | |
2054 | + s->cc_op = CC_OP_DYNAMIC; | |
2055 | + } | |
2056 | + gen_jmp_im(pc_start - s->cs_base); | |
2057 | + SVM_movq_T1_im(param); | |
2058 | + gen_op_geneflags(); | |
2059 | + gen_op_svm_check_intercept_param((uint32_t)(type >> 32), (uint32_t)type); | |
2060 | + /* this is a special case as we do not know if the interception occurs | |
2061 | + so we assume there was none */ | |
2062 | + return 0; | |
2063 | + } | |
2064 | + break; | |
2065 | + default: | |
2066 | + if(s->flags & (1ULL << ((type - SVM_EXIT_INTR) + INTERCEPT_INTR))) { | |
2067 | + if (s->cc_op != CC_OP_DYNAMIC) { | |
2068 | + gen_op_set_cc_op(s->cc_op); | |
2069 | + s->cc_op = CC_OP_EFLAGS; | |
2070 | + } | |
2071 | + gen_jmp_im(pc_start - s->cs_base); | |
2072 | + SVM_movq_T1_im(param); | |
2073 | + gen_op_geneflags(); | |
2074 | + gen_op_svm_vmexit(type >> 32, type); | |
2075 | + /* we can optimize this one so TBs don't get longer | |
2076 | + than up to vmexit */ | |
2077 | + gen_eob(s); | |
2078 | + return 1; | |
2079 | + } | |
2080 | + } | |
2081 | + return 0; | |
2082 | +} | |
2083 | + | |
2084 | +static inline int | |
2085 | +gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type) | |
2086 | +{ | |
2087 | + return gen_svm_check_intercept_param(s, pc_start, type, 0); | |
2088 | +} | |
2089 | + | |
1998 | 2090 | static inline void gen_stack_update(DisasContext *s, int addend) |
1999 | 2091 | { |
2000 | 2092 | #ifdef TARGET_X86_64 |
... | ... | @@ -4880,6 +4972,12 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
4880 | 4972 | else |
4881 | 4973 | ot = dflag ? OT_LONG : OT_WORD; |
4882 | 4974 | gen_check_io(s, ot, 1, pc_start - s->cs_base); |
4975 | + gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); | |
4976 | + gen_op_andl_T0_ffff(); | |
4977 | + if (gen_svm_check_io(s, pc_start, | |
4978 | + SVM_IOIO_TYPE_MASK | (1 << (4+ot)) | | |
4979 | + svm_is_rep(prefixes) | 4 | (1 << (7+s->aflag)))) | |
4980 | + break; | |
4883 | 4981 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
4884 | 4982 | gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
4885 | 4983 | } else { |
... | ... | @@ -4893,6 +4991,12 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
4893 | 4991 | else |
4894 | 4992 | ot = dflag ? OT_LONG : OT_WORD; |
4895 | 4993 | gen_check_io(s, ot, 1, pc_start - s->cs_base); |
4994 | + gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); | |
4995 | + gen_op_andl_T0_ffff(); | |
4996 | + if (gen_svm_check_io(s, pc_start, | |
4997 | + (1 << (4+ot)) | svm_is_rep(prefixes) | | |
4998 | + 4 | (1 << (7+s->aflag)))) | |
4999 | + break; | |
4896 | 5000 | if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { |
4897 | 5001 | gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); |
4898 | 5002 | } else { |
... | ... | @@ -4902,6 +5006,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
4902 | 5006 | |
4903 | 5007 | /************************/ |
4904 | 5008 | /* port I/O */ |
5009 | + | |
4905 | 5010 | case 0xe4: |
4906 | 5011 | case 0xe5: |
4907 | 5012 | if ((b & 1) == 0) |
... | ... | @@ -4911,6 +5016,10 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
4911 | 5016 | val = ldub_code(s->pc++); |
4912 | 5017 | gen_op_movl_T0_im(val); |
4913 | 5018 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
5019 | + if (gen_svm_check_io(s, pc_start, | |
5020 | + SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | | |
5021 | + (1 << (4+ot)))) | |
5022 | + break; | |
4914 | 5023 | gen_op_in[ot](); |
4915 | 5024 | gen_op_mov_reg_T1[ot][R_EAX](); |
4916 | 5025 | break; |
... | ... | @@ -4923,6 +5032,9 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
4923 | 5032 | val = ldub_code(s->pc++); |
4924 | 5033 | gen_op_movl_T0_im(val); |
4925 | 5034 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
5035 | + if (gen_svm_check_io(s, pc_start, svm_is_rep(prefixes) | | |
5036 | + (1 << (4+ot)))) | |
5037 | + break; | |
4926 | 5038 | gen_op_mov_TN_reg[ot][1][R_EAX](); |
4927 | 5039 | gen_op_out[ot](); |
4928 | 5040 | break; |
... | ... | @@ -4935,6 +5047,10 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
4935 | 5047 | gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); |
4936 | 5048 | gen_op_andl_T0_ffff(); |
4937 | 5049 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
5050 | + if (gen_svm_check_io(s, pc_start, | |
5051 | + SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | | |
5052 | + (1 << (4+ot)))) | |
5053 | + break; | |
4938 | 5054 | gen_op_in[ot](); |
4939 | 5055 | gen_op_mov_reg_T1[ot][R_EAX](); |
4940 | 5056 | break; |
... | ... | @@ -4947,6 +5063,9 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
4947 | 5063 | gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); |
4948 | 5064 | gen_op_andl_T0_ffff(); |
4949 | 5065 | gen_check_io(s, ot, 0, pc_start - s->cs_base); |
5066 | + if (gen_svm_check_io(s, pc_start, | |
5067 | + svm_is_rep(prefixes) | (1 << (4+ot)))) | |
5068 | + break; | |
4950 | 5069 | gen_op_mov_TN_reg[ot][1][R_EAX](); |
4951 | 5070 | gen_op_out[ot](); |
4952 | 5071 | break; |
... | ... | @@ -5004,6 +5123,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5004 | 5123 | val = 0; |
5005 | 5124 | goto do_lret; |
5006 | 5125 | case 0xcf: /* iret */ |
5126 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET)) | |
5127 | + break; | |
5007 | 5128 | if (!s->pe) { |
5008 | 5129 | /* real mode */ |
5009 | 5130 | gen_op_iret_real(s->dflag); |
... | ... | @@ -5125,6 +5246,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5125 | 5246 | /************************/ |
5126 | 5247 | /* flags */ |
5127 | 5248 | case 0x9c: /* pushf */ |
5249 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF)) | |
5250 | + break; | |
5128 | 5251 | if (s->vm86 && s->iopl != 3) { |
5129 | 5252 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5130 | 5253 | } else { |
... | ... | @@ -5135,6 +5258,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5135 | 5258 | } |
5136 | 5259 | break; |
5137 | 5260 | case 0x9d: /* popf */ |
5261 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF)) | |
5262 | + break; | |
5138 | 5263 | if (s->vm86 && s->iopl != 3) { |
5139 | 5264 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5140 | 5265 | } else { |
... | ... | @@ -5348,6 +5473,9 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5348 | 5473 | /* XXX: correct lock test for all insn */ |
5349 | 5474 | if (prefixes & PREFIX_LOCK) |
5350 | 5475 | goto illegal_op; |
5476 | + if (prefixes & PREFIX_REPZ) { | |
5477 | + gen_svm_check_intercept(s, pc_start, SVM_EXIT_PAUSE); | |
5478 | + } | |
5351 | 5479 | break; |
5352 | 5480 | case 0x9b: /* fwait */ |
5353 | 5481 | if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) == |
... | ... | @@ -5361,10 +5489,14 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5361 | 5489 | } |
5362 | 5490 | break; |
5363 | 5491 | case 0xcc: /* int3 */ |
5492 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT)) | |
5493 | + break; | |
5364 | 5494 | gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base); |
5365 | 5495 | break; |
5366 | 5496 | case 0xcd: /* int N */ |
5367 | 5497 | val = ldub_code(s->pc++); |
5498 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT)) | |
5499 | + break; | |
5368 | 5500 | if (s->vm86 && s->iopl != 3) { |
5369 | 5501 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5370 | 5502 | } else { |
... | ... | @@ -5374,12 +5506,16 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5374 | 5506 | case 0xce: /* into */ |
5375 | 5507 | if (CODE64(s)) |
5376 | 5508 | goto illegal_op; |
5509 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SWINT)) | |
5510 | + break; | |
5377 | 5511 | if (s->cc_op != CC_OP_DYNAMIC) |
5378 | 5512 | gen_op_set_cc_op(s->cc_op); |
5379 | 5513 | gen_jmp_im(pc_start - s->cs_base); |
5380 | 5514 | gen_op_into(s->pc - pc_start); |
5381 | 5515 | break; |
5382 | 5516 | case 0xf1: /* icebp (undocumented, exits to external debugger) */ |
5517 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP)) | |
5518 | + break; | |
5383 | 5519 | #if 1 |
5384 | 5520 | gen_debug(s, pc_start - s->cs_base); |
5385 | 5521 | #else |
... | ... | @@ -5415,6 +5551,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5415 | 5551 | gen_op_set_inhibit_irq(); |
5416 | 5552 | /* give a chance to handle pending irqs */ |
5417 | 5553 | gen_jmp_im(s->pc - s->cs_base); |
5554 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VINTR)) | |
5555 | + break; | |
5418 | 5556 | gen_eob(s); |
5419 | 5557 | } else { |
5420 | 5558 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
... | ... | @@ -5507,13 +5645,21 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5507 | 5645 | if (s->cpl != 0) { |
5508 | 5646 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5509 | 5647 | } else { |
5510 | - if (b & 2) | |
5648 | + int retval = 0; | |
5649 | + if (b & 2) { | |
5650 | + retval = gen_svm_check_intercept_param(s, pc_start, SVM_EXIT_MSR, 0); | |
5511 | 5651 | gen_op_rdmsr(); |
5512 | - else | |
5652 | + } else { | |
5653 | + retval = gen_svm_check_intercept_param(s, pc_start, SVM_EXIT_MSR, 1); | |
5513 | 5654 | gen_op_wrmsr(); |
5655 | + } | |
5656 | + if(retval) | |
5657 | + gen_eob(s); | |
5514 | 5658 | } |
5515 | 5659 | break; |
5516 | 5660 | case 0x131: /* rdtsc */ |
5661 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_RDTSC)) | |
5662 | + break; | |
5517 | 5663 | gen_jmp_im(pc_start - s->cs_base); |
5518 | 5664 | gen_op_rdtsc(); |
5519 | 5665 | break; |
... | ... | @@ -5576,12 +5722,16 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5576 | 5722 | break; |
5577 | 5723 | #endif |
5578 | 5724 | case 0x1a2: /* cpuid */ |
5725 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_CPUID)) | |
5726 | + break; | |
5579 | 5727 | gen_op_cpuid(); |
5580 | 5728 | break; |
5581 | 5729 | case 0xf4: /* hlt */ |
5582 | 5730 | if (s->cpl != 0) { |
5583 | 5731 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5584 | 5732 | } else { |
5733 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_HLT)) | |
5734 | + break; | |
5585 | 5735 | if (s->cc_op != CC_OP_DYNAMIC) |
5586 | 5736 | gen_op_set_cc_op(s->cc_op); |
5587 | 5737 | gen_jmp_im(s->pc - s->cs_base); |
... | ... | @@ -5597,6 +5747,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5597 | 5747 | case 0: /* sldt */ |
5598 | 5748 | if (!s->pe || s->vm86) |
5599 | 5749 | goto illegal_op; |
5750 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ)) | |
5751 | + break; | |
5600 | 5752 | gen_op_movl_T0_env(offsetof(CPUX86State,ldt.selector)); |
5601 | 5753 | ot = OT_WORD; |
5602 | 5754 | if (mod == 3) |
... | ... | @@ -5609,6 +5761,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5609 | 5761 | if (s->cpl != 0) { |
5610 | 5762 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5611 | 5763 | } else { |
5764 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE)) | |
5765 | + break; | |
5612 | 5766 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
5613 | 5767 | gen_jmp_im(pc_start - s->cs_base); |
5614 | 5768 | gen_op_lldt_T0(); |
... | ... | @@ -5617,6 +5771,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5617 | 5771 | case 1: /* str */ |
5618 | 5772 | if (!s->pe || s->vm86) |
5619 | 5773 | goto illegal_op; |
5774 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ)) | |
5775 | + break; | |
5620 | 5776 | gen_op_movl_T0_env(offsetof(CPUX86State,tr.selector)); |
5621 | 5777 | ot = OT_WORD; |
5622 | 5778 | if (mod == 3) |
... | ... | @@ -5629,6 +5785,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5629 | 5785 | if (s->cpl != 0) { |
5630 | 5786 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5631 | 5787 | } else { |
5788 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE)) | |
5789 | + break; | |
5632 | 5790 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
5633 | 5791 | gen_jmp_im(pc_start - s->cs_base); |
5634 | 5792 | gen_op_ltr_T0(); |
... | ... | @@ -5660,6 +5818,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5660 | 5818 | case 0: /* sgdt */ |
5661 | 5819 | if (mod == 3) |
5662 | 5820 | goto illegal_op; |
5821 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ)) | |
5822 | + break; | |
5663 | 5823 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5664 | 5824 | gen_op_movl_T0_env(offsetof(CPUX86State, gdt.limit)); |
5665 | 5825 | gen_op_st_T0_A0[OT_WORD + s->mem_index](); |
... | ... | @@ -5676,6 +5836,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5676 | 5836 | if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || |
5677 | 5837 | s->cpl != 0) |
5678 | 5838 | goto illegal_op; |
5839 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_MONITOR)) | |
5840 | + break; | |
5679 | 5841 | gen_jmp_im(pc_start - s->cs_base); |
5680 | 5842 | #ifdef TARGET_X86_64 |
5681 | 5843 | if (s->aflag == 2) { |
... | ... | @@ -5700,6 +5862,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5700 | 5862 | gen_op_set_cc_op(s->cc_op); |
5701 | 5863 | s->cc_op = CC_OP_DYNAMIC; |
5702 | 5864 | } |
5865 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_MWAIT)) | |
5866 | + break; | |
5703 | 5867 | gen_jmp_im(s->pc - s->cs_base); |
5704 | 5868 | gen_op_mwait(); |
5705 | 5869 | gen_eob(s); |
... | ... | @@ -5708,6 +5872,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5708 | 5872 | goto illegal_op; |
5709 | 5873 | } |
5710 | 5874 | } else { /* sidt */ |
5875 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ)) | |
5876 | + break; | |
5711 | 5877 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5712 | 5878 | gen_op_movl_T0_env(offsetof(CPUX86State, idt.limit)); |
5713 | 5879 | gen_op_st_T0_A0[OT_WORD + s->mem_index](); |
... | ... | @@ -5720,11 +5886,63 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5720 | 5886 | break; |
5721 | 5887 | case 2: /* lgdt */ |
5722 | 5888 | case 3: /* lidt */ |
5723 | - if (mod == 3) | |
5724 | - goto illegal_op; | |
5725 | - if (s->cpl != 0) { | |
5889 | + if (mod == 3) { | |
5890 | + switch(rm) { | |
5891 | + case 0: /* VMRUN */ | |
5892 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMRUN)) | |
5893 | + break; | |
5894 | + if (s->cc_op != CC_OP_DYNAMIC) | |
5895 | + gen_op_set_cc_op(s->cc_op); | |
5896 | + gen_jmp_im(s->pc - s->cs_base); | |
5897 | + gen_op_vmrun(); | |
5898 | + s->cc_op = CC_OP_EFLAGS; | |
5899 | + gen_eob(s); | |
5900 | + break; | |
5901 | + case 1: /* VMMCALL */ | |
5902 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMMCALL)) | |
5903 | + break; | |
5904 | + /* FIXME: cause #UD if hflags & SVM */ | |
5905 | + gen_op_vmmcall(); | |
5906 | + break; | |
5907 | + case 2: /* VMLOAD */ | |
5908 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMLOAD)) | |
5909 | + break; | |
5910 | + gen_op_vmload(); | |
5911 | + break; | |
5912 | + case 3: /* VMSAVE */ | |
5913 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_VMSAVE)) | |
5914 | + break; | |
5915 | + gen_op_vmsave(); | |
5916 | + break; | |
5917 | + case 4: /* STGI */ | |
5918 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_STGI)) | |
5919 | + break; | |
5920 | + gen_op_stgi(); | |
5921 | + break; | |
5922 | + case 5: /* CLGI */ | |
5923 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_CLGI)) | |
5924 | + break; | |
5925 | + gen_op_clgi(); | |
5926 | + break; | |
5927 | + case 6: /* SKINIT */ | |
5928 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_SKINIT)) | |
5929 | + break; | |
5930 | + gen_op_skinit(); | |
5931 | + break; | |
5932 | + case 7: /* INVLPGA */ | |
5933 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVLPGA)) | |
5934 | + break; | |
5935 | + gen_op_invlpga(); | |
5936 | + break; | |
5937 | + default: | |
5938 | + goto illegal_op; | |
5939 | + } | |
5940 | + } else if (s->cpl != 0) { | |
5726 | 5941 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5727 | 5942 | } else { |
5943 | + if (gen_svm_check_intercept(s, pc_start, | |
5944 | + op==2 ? SVM_EXIT_GDTR_WRITE : SVM_EXIT_IDTR_WRITE)) | |
5945 | + break; | |
5728 | 5946 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5729 | 5947 | gen_op_ld_T1_A0[OT_WORD + s->mem_index](); |
5730 | 5948 | gen_add_A0_im(s, 2); |
... | ... | @@ -5741,6 +5959,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5741 | 5959 | } |
5742 | 5960 | break; |
5743 | 5961 | case 4: /* smsw */ |
5962 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0)) | |
5963 | + break; | |
5744 | 5964 | gen_op_movl_T0_env(offsetof(CPUX86State,cr[0])); |
5745 | 5965 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1); |
5746 | 5966 | break; |
... | ... | @@ -5748,6 +5968,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5748 | 5968 | if (s->cpl != 0) { |
5749 | 5969 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5750 | 5970 | } else { |
5971 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0)) | |
5972 | + break; | |
5751 | 5973 | gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); |
5752 | 5974 | gen_op_lmsw_T0(); |
5753 | 5975 | gen_jmp_im(s->pc - s->cs_base); |
... | ... | @@ -5772,6 +5994,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5772 | 5994 | goto illegal_op; |
5773 | 5995 | } |
5774 | 5996 | } else { |
5997 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVLPG)) | |
5998 | + break; | |
5775 | 5999 | gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
5776 | 6000 | gen_op_invlpg_A0(); |
5777 | 6001 | gen_jmp_im(s->pc - s->cs_base); |
... | ... | @@ -5788,6 +6012,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5788 | 6012 | if (s->cpl != 0) { |
5789 | 6013 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5790 | 6014 | } else { |
6015 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_INVD)) | |
6016 | + break; | |
5791 | 6017 | /* nothing to do */ |
5792 | 6018 | } |
5793 | 6019 | break; |
... | ... | @@ -5908,11 +6134,13 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5908 | 6134 | case 4: |
5909 | 6135 | case 8: |
5910 | 6136 | if (b & 2) { |
6137 | + gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0 + reg); | |
5911 | 6138 | gen_op_mov_TN_reg[ot][0][rm](); |
5912 | 6139 | gen_op_movl_crN_T0(reg); |
5913 | 6140 | gen_jmp_im(s->pc - s->cs_base); |
5914 | 6141 | gen_eob(s); |
5915 | 6142 | } else { |
6143 | + gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0 + reg); | |
5916 | 6144 | #if !defined(CONFIG_USER_ONLY) |
5917 | 6145 | if (reg == 8) |
5918 | 6146 | gen_op_movtl_T0_cr8(); |
... | ... | @@ -5945,11 +6173,13 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5945 | 6173 | if (reg == 4 || reg == 5 || reg >= 8) |
5946 | 6174 | goto illegal_op; |
5947 | 6175 | if (b & 2) { |
6176 | + gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg); | |
5948 | 6177 | gen_op_mov_TN_reg[ot][0][rm](); |
5949 | 6178 | gen_op_movl_drN_T0(reg); |
5950 | 6179 | gen_jmp_im(s->pc - s->cs_base); |
5951 | 6180 | gen_eob(s); |
5952 | 6181 | } else { |
6182 | + gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg); | |
5953 | 6183 | gen_op_movtl_T0_env(offsetof(CPUX86State,dr[reg])); |
5954 | 6184 | gen_op_mov_reg_T0[ot][rm](); |
5955 | 6185 | } |
... | ... | @@ -5959,6 +6189,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
5959 | 6189 | if (s->cpl != 0) { |
5960 | 6190 | gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); |
5961 | 6191 | } else { |
6192 | + gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); | |
5962 | 6193 | gen_op_clts(); |
5963 | 6194 | /* abort block because static cpu state changed */ |
5964 | 6195 | gen_jmp_im(s->pc - s->cs_base); |
... | ... | @@ -6050,6 +6281,8 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start) |
6050 | 6281 | /* ignore for now */ |
6051 | 6282 | break; |
6052 | 6283 | case 0x1aa: /* rsm */ |
6284 | + if (gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM)) | |
6285 | + break; | |
6053 | 6286 | if (!(s->flags & HF_SMM_MASK)) |
6054 | 6287 | goto illegal_op; |
6055 | 6288 | if (s->cc_op != CC_OP_DYNAMIC) { | ... | ... |