diff options
| -rw-r--r-- | target-i386/Makefile.objs | 3 | ||||
| -rw-r--r-- | target-i386/misc_helper.c | 603 | ||||
| -rw-r--r-- | target-i386/op_helper.c | 578 |
3 files changed, 605 insertions, 579 deletions
diff --git a/target-i386/Makefile.objs b/target-i386/Makefile.objs index a2ba717e53..72bd423277 100644 --- a/target-i386/Makefile.objs +++ b/target-i386/Makefile.objs @@ -1,6 +1,6 @@ obj-y += translate.o op_helper.o helper.o cpu.o obj-y += excp_helper.o fpu_helper.o cc_helper.o int_helper.o svm_helper.o -obj-y += smm_helper.o +obj-y += smm_helper.o misc_helper.o obj-$(CONFIG_SOFTMMU) += machine.o arch_memory_mapping.o arch_dump.o obj-$(CONFIG_KVM) += kvm.o hyperv.o obj-$(CONFIG_LINUX_USER) += ioport-user.o @@ -12,3 +12,4 @@ $(obj)/cc_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) $(obj)/int_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) $(obj)/svm_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) $(obj)/smm_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) +$(obj)/misc_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) diff --git a/target-i386/misc_helper.c b/target-i386/misc_helper.c new file mode 100644 index 0000000000..ce675b7218 --- /dev/null +++ b/target-i386/misc_helper.c @@ -0,0 +1,603 @@ +/* + * x86 misc helpers + * + * Copyright (c) 2003 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "cpu.h" +#include "dyngen-exec.h" +#include "ioport.h" +#include "helper.h" + +#if !defined(CONFIG_USER_ONLY) +#include "softmmu_exec.h" +#endif /* !defined(CONFIG_USER_ONLY) */ + +/* check if Port I/O is allowed in TSS */ +static inline void check_io(int addr, int size) +{ + int io_offset, val, mask; + + /* TSS must be a valid 32 bit one */ + if (!(env->tr.flags & DESC_P_MASK) || + ((env->tr.flags >> DESC_TYPE_SHIFT) & 0xf) != 9 || + env->tr.limit < 103) { + goto fail; + } + io_offset = lduw_kernel(env->tr.base + 0x66); + io_offset += (addr >> 3); + /* Note: the check needs two bytes */ + if ((io_offset + 1) > env->tr.limit) { + goto fail; + } + val = lduw_kernel(env->tr.base + io_offset); + val >>= (addr & 7); + mask = (1 << size) - 1; + /* all bits must be zero to allow the I/O */ + if ((val & mask) != 0) { + fail: + raise_exception_err(env, EXCP0D_GPF, 0); + } +} + +void helper_check_iob(uint32_t t0) +{ + check_io(t0, 1); +} + +void helper_check_iow(uint32_t t0) +{ + check_io(t0, 2); +} + +void helper_check_iol(uint32_t t0) +{ + check_io(t0, 4); +} + +void helper_outb(uint32_t port, uint32_t data) +{ + cpu_outb(port, data & 0xff); +} + +target_ulong helper_inb(uint32_t port) +{ + return cpu_inb(port); +} + +void helper_outw(uint32_t port, uint32_t data) +{ + cpu_outw(port, data & 0xffff); +} + +target_ulong helper_inw(uint32_t port) +{ + return cpu_inw(port); +} + +void helper_outl(uint32_t port, uint32_t data) +{ + cpu_outl(port, data); +} + +target_ulong helper_inl(uint32_t port) +{ + return cpu_inl(port); +} + +void helper_into(int next_eip_addend) +{ + int eflags; + + eflags = helper_cc_compute_all(CC_OP); + if (eflags & CC_O) { + raise_interrupt(env, EXCP04_INTO, 1, 0, next_eip_addend); + } +} + +void helper_single_step(void) +{ +#ifndef CONFIG_USER_ONLY + check_hw_breakpoints(env, 1); + env->dr[6] |= DR6_BS; +#endif + raise_exception(env, EXCP01_DB); +} + +void helper_cpuid(void) +{ + uint32_t eax, ebx, ecx, edx; + + cpu_svm_check_intercept_param(env, SVM_EXIT_CPUID, 0); + + cpu_x86_cpuid(env, (uint32_t)EAX, (uint32_t)ECX, &eax, &ebx, &ecx, &edx); + EAX = eax; + EBX = ebx; + ECX = ecx; + EDX = edx; +} + +#if defined(CONFIG_USER_ONLY) +target_ulong helper_read_crN(int reg) +{ + return 0; +} + +void helper_write_crN(int reg, target_ulong t0) +{ +} + +void helper_movl_drN_T0(int reg, target_ulong t0) +{ +} +#else +target_ulong helper_read_crN(int reg) +{ + target_ulong val; + + cpu_svm_check_intercept_param(env, SVM_EXIT_READ_CR0 + reg, 0); + switch (reg) { + default: + val = env->cr[reg]; + break; + case 8: + if (!(env->hflags2 & HF2_VINTR_MASK)) { + val = cpu_get_apic_tpr(env->apic_state); + } else { + val = env->v_tpr; + } + break; + } + return val; +} + +void helper_write_crN(int reg, target_ulong t0) +{ + cpu_svm_check_intercept_param(env, SVM_EXIT_WRITE_CR0 + reg, 0); + switch (reg) { + case 0: + cpu_x86_update_cr0(env, t0); + break; + case 3: + cpu_x86_update_cr3(env, t0); + break; + case 4: + cpu_x86_update_cr4(env, t0); + break; + case 8: + if (!(env->hflags2 & HF2_VINTR_MASK)) { + cpu_set_apic_tpr(env->apic_state, t0); + } + env->v_tpr = t0 & 0x0f; + break; + default: + env->cr[reg] = t0; + break; + } +} + +void helper_movl_drN_T0(int reg, target_ulong t0) +{ + int i; + + if (reg < 4) { + hw_breakpoint_remove(env, reg); + env->dr[reg] = t0; + hw_breakpoint_insert(env, reg); + } else if (reg == 7) { + for (i = 0; i < 4; i++) { + hw_breakpoint_remove(env, i); + } + env->dr[7] = t0; + for (i = 0; i < 4; i++) { + hw_breakpoint_insert(env, i); + } + } else { + env->dr[reg] = t0; + } +} +#endif + +void helper_lmsw(target_ulong t0) +{ + /* only 4 lower bits of CR0 are modified. PE cannot be set to zero + if already set to one. */ + t0 = (env->cr[0] & ~0xe) | (t0 & 0xf); + helper_write_crN(0, t0); +} + +void helper_invlpg(target_ulong addr) +{ + cpu_svm_check_intercept_param(env, SVM_EXIT_INVLPG, 0); + tlb_flush_page(env, addr); +} + +void helper_rdtsc(void) +{ + uint64_t val; + + if ((env->cr[4] & CR4_TSD_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) { + raise_exception(env, EXCP0D_GPF); + } + cpu_svm_check_intercept_param(env, SVM_EXIT_RDTSC, 0); + + val = cpu_get_tsc(env) + env->tsc_offset; + EAX = (uint32_t)(val); + EDX = (uint32_t)(val >> 32); +} + +void helper_rdtscp(void) +{ + helper_rdtsc(); + ECX = (uint32_t)(env->tsc_aux); +} + +void helper_rdpmc(void) +{ + if ((env->cr[4] & CR4_PCE_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) { + raise_exception(env, EXCP0D_GPF); + } + cpu_svm_check_intercept_param(env, SVM_EXIT_RDPMC, 0); + + /* currently unimplemented */ + qemu_log_mask(LOG_UNIMP, "x86: unimplemented rdpmc\n"); + raise_exception_err(env, EXCP06_ILLOP, 0); +} + +#if defined(CONFIG_USER_ONLY) +void helper_wrmsr(void) +{ +} + +void helper_rdmsr(void) +{ +} +#else +void helper_wrmsr(void) +{ + uint64_t val; + + cpu_svm_check_intercept_param(env, SVM_EXIT_MSR, 1); + + val = ((uint32_t)EAX) | ((uint64_t)((uint32_t)EDX) << 32); + + switch ((uint32_t)ECX) { + case MSR_IA32_SYSENTER_CS: + env->sysenter_cs = val & 0xffff; + break; + case MSR_IA32_SYSENTER_ESP: + env->sysenter_esp = val; + break; + case MSR_IA32_SYSENTER_EIP: + env->sysenter_eip = val; + break; + case MSR_IA32_APICBASE: + cpu_set_apic_base(env->apic_state, val); + break; + case MSR_EFER: + { + uint64_t update_mask; + + update_mask = 0; + if (env->cpuid_ext2_features & CPUID_EXT2_SYSCALL) { + update_mask |= MSR_EFER_SCE; + } + if (env->cpuid_ext2_features & CPUID_EXT2_LM) { + update_mask |= MSR_EFER_LME; + } + if (env->cpuid_ext2_features & CPUID_EXT2_FFXSR) { + update_mask |= MSR_EFER_FFXSR; + } + if (env->cpuid_ext2_features & CPUID_EXT2_NX) { + update_mask |= MSR_EFER_NXE; + } + if (env->cpuid_ext3_features & CPUID_EXT3_SVM) { + update_mask |= MSR_EFER_SVME; + } + if (env->cpuid_ext2_features & CPUID_EXT2_FFXSR) { + update_mask |= MSR_EFER_FFXSR; + } + cpu_load_efer(env, (env->efer & ~update_mask) | + (val & update_mask)); + } + break; + case MSR_STAR: + env->star = val; + break; + case MSR_PAT: + env->pat = val; + break; + case MSR_VM_HSAVE_PA: + env->vm_hsave = val; + break; +#ifdef TARGET_X86_64 + 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 + case MSR_MTRRphysBase(0): + case MSR_MTRRphysBase(1): + case MSR_MTRRphysBase(2): + case MSR_MTRRphysBase(3): + case MSR_MTRRphysBase(4): + case MSR_MTRRphysBase(5): + case MSR_MTRRphysBase(6): + case MSR_MTRRphysBase(7): + env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysBase(0)) / 2].base = val; + break; + case MSR_MTRRphysMask(0): + case MSR_MTRRphysMask(1): + case MSR_MTRRphysMask(2): + case MSR_MTRRphysMask(3): + case MSR_MTRRphysMask(4): + case MSR_MTRRphysMask(5): + case MSR_MTRRphysMask(6): + case MSR_MTRRphysMask(7): + env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysMask(0)) / 2].mask = val; + break; + case MSR_MTRRfix64K_00000: + env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix64K_00000] = val; + break; + case MSR_MTRRfix16K_80000: + case MSR_MTRRfix16K_A0000: + env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix16K_80000 + 1] = val; + break; + case MSR_MTRRfix4K_C0000: + case MSR_MTRRfix4K_C8000: + case MSR_MTRRfix4K_D0000: + case MSR_MTRRfix4K_D8000: + case MSR_MTRRfix4K_E0000: + case MSR_MTRRfix4K_E8000: + case MSR_MTRRfix4K_F0000: + case MSR_MTRRfix4K_F8000: + env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix4K_C0000 + 3] = val; + break; + case MSR_MTRRdefType: + env->mtrr_deftype = val; + break; + case MSR_MCG_STATUS: + env->mcg_status = val; + break; + case MSR_MCG_CTL: + if ((env->mcg_cap & MCG_CTL_P) + && (val == 0 || val == ~(uint64_t)0)) { + env->mcg_ctl = val; + } + break; + case MSR_TSC_AUX: + env->tsc_aux = val; + break; + case MSR_IA32_MISC_ENABLE: + env->msr_ia32_misc_enable = val; + break; + default: + if ((uint32_t)ECX >= MSR_MC0_CTL + && (uint32_t)ECX < MSR_MC0_CTL + (4 * env->mcg_cap & 0xff)) { + uint32_t offset = (uint32_t)ECX - MSR_MC0_CTL; + if ((offset & 0x3) != 0 + || (val == 0 || val == ~(uint64_t)0)) { + env->mce_banks[offset] = val; + } + break; + } + /* XXX: exception? */ + break; + } +} + +void helper_rdmsr(void) +{ + uint64_t val; + + cpu_svm_check_intercept_param(env, SVM_EXIT_MSR, 0); + + switch ((uint32_t)ECX) { + case MSR_IA32_SYSENTER_CS: + val = env->sysenter_cs; + break; + case MSR_IA32_SYSENTER_ESP: + val = env->sysenter_esp; + break; + case MSR_IA32_SYSENTER_EIP: + val = env->sysenter_eip; + break; + case MSR_IA32_APICBASE: + val = cpu_get_apic_base(env->apic_state); + break; + case MSR_EFER: + val = env->efer; + break; + case MSR_STAR: + val = env->star; + break; + case MSR_PAT: + val = env->pat; + break; + case MSR_VM_HSAVE_PA: + val = env->vm_hsave; + break; + case MSR_IA32_PERF_STATUS: + /* tsc_increment_by_tick */ + val = 1000ULL; + /* CPU multiplier */ + val |= (((uint64_t)4ULL) << 40); + break; +#ifdef TARGET_X86_64 + 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; + case MSR_TSC_AUX: + val = env->tsc_aux; + break; +#endif + case MSR_MTRRphysBase(0): + case MSR_MTRRphysBase(1): + case MSR_MTRRphysBase(2): + case MSR_MTRRphysBase(3): + case MSR_MTRRphysBase(4): + case MSR_MTRRphysBase(5): + case MSR_MTRRphysBase(6): + case MSR_MTRRphysBase(7): + val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysBase(0)) / 2].base; + break; + case MSR_MTRRphysMask(0): + case MSR_MTRRphysMask(1): + case MSR_MTRRphysMask(2): + case MSR_MTRRphysMask(3): + case MSR_MTRRphysMask(4): + case MSR_MTRRphysMask(5): + case MSR_MTRRphysMask(6): + case MSR_MTRRphysMask(7): + val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysMask(0)) / 2].mask; + break; + case MSR_MTRRfix64K_00000: + val = env->mtrr_fixed[0]; + break; + case MSR_MTRRfix16K_80000: + case MSR_MTRRfix16K_A0000: + val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix16K_80000 + 1]; + break; + case MSR_MTRRfix4K_C0000: + case MSR_MTRRfix4K_C8000: + case MSR_MTRRfix4K_D0000: + case MSR_MTRRfix4K_D8000: + case MSR_MTRRfix4K_E0000: + case MSR_MTRRfix4K_E8000: + case MSR_MTRRfix4K_F0000: + case MSR_MTRRfix4K_F8000: + val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix4K_C0000 + 3]; + break; + case MSR_MTRRdefType: + val = env->mtrr_deftype; + break; + case MSR_MTRRcap: + if (env->cpuid_features & CPUID_MTRR) { + val = MSR_MTRRcap_VCNT | MSR_MTRRcap_FIXRANGE_SUPPORT | + MSR_MTRRcap_WC_SUPPORTED; + } else { + /* XXX: exception? */ + val = 0; + } + break; + case MSR_MCG_CAP: + val = env->mcg_cap; + break; + case MSR_MCG_CTL: + if (env->mcg_cap & MCG_CTL_P) { + val = env->mcg_ctl; + } else { + val = 0; + } + break; + case MSR_MCG_STATUS: + val = env->mcg_status; + break; + case MSR_IA32_MISC_ENABLE: + val = env->msr_ia32_misc_enable; + break; + default: + if ((uint32_t)ECX >= MSR_MC0_CTL + && (uint32_t)ECX < MSR_MC0_CTL + (4 * env->mcg_cap & 0xff)) { + uint32_t offset = (uint32_t)ECX - MSR_MC0_CTL; + val = env->mce_banks[offset]; + break; + } + /* XXX: exception? */ + val = 0; + break; + } + EAX = (uint32_t)(val); + EDX = (uint32_t)(val >> 32); +} +#endif + +static void do_hlt(void) +{ + env->hflags &= ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before */ + env->halted = 1; + env->exception_index = EXCP_HLT; + cpu_loop_exit(env); +} + +void helper_hlt(int next_eip_addend) +{ + cpu_svm_check_intercept_param(env, SVM_EXIT_HLT, 0); + EIP += next_eip_addend; + + do_hlt(); +} + +void helper_monitor(target_ulong ptr) +{ + if ((uint32_t)ECX != 0) { + raise_exception(env, EXCP0D_GPF); + } + /* XXX: store address? */ + cpu_svm_check_intercept_param(env, SVM_EXIT_MONITOR, 0); +} + +void helper_mwait(int next_eip_addend) +{ + if ((uint32_t)ECX != 0) { + raise_exception(env, EXCP0D_GPF); + } + cpu_svm_check_intercept_param(env, SVM_EXIT_MWAIT, 0); + EIP += next_eip_addend; + + /* XXX: not complete but not completely erroneous */ + if (env->cpu_index != 0 || env->next_cpu != NULL) { + /* more than one CPU: do not sleep because another CPU may + wake this one */ + } else { + do_hlt(); + } +} + +void helper_debug(void) +{ + env->exception_index = EXCP_DEBUG; + cpu_loop_exit(env); +} diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index 0d31afa4e3..441c0aed2a 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -19,9 +19,7 @@ #include "cpu.h" #include "dyngen-exec.h" -#include "ioport.h" #include "qemu-log.h" -#include "cpu-defs.h" #include "helper.h" #if !defined(CONFIG_USER_ONLY) @@ -489,78 +487,6 @@ static void switch_tss(int tss_selector, #endif } -/* check if Port I/O is allowed in TSS */ -static inline void check_io(int addr, int size) -{ - int io_offset, val, mask; - - /* TSS must be a valid 32 bit one */ - if (!(env->tr.flags & DESC_P_MASK) || - ((env->tr.flags >> DESC_TYPE_SHIFT) & 0xf) != 9 || - env->tr.limit < 103) { - goto fail; - } - io_offset = lduw_kernel(env->tr.base + 0x66); - io_offset += (addr >> 3); - /* Note: the check needs two bytes */ - if ((io_offset + 1) > env->tr.limit) { - goto fail; - } - val = lduw_kernel(env->tr.base + io_offset); - val >>= (addr & 7); - mask = (1 << size) - 1; - /* all bits must be zero to allow the I/O */ - if ((val & mask) != 0) { - fail: - raise_exception_err(env, EXCP0D_GPF, 0); - } -} - -void helper_check_iob(uint32_t t0) -{ - check_io(t0, 1); -} - -void helper_check_iow(uint32_t t0) -{ - check_io(t0, 2); -} - -void helper_check_iol(uint32_t t0) -{ - check_io(t0, 4); -} - -void helper_outb(uint32_t port, uint32_t data) -{ - cpu_outb(port, data & 0xff); -} - -target_ulong helper_inb(uint32_t port) -{ - return cpu_inb(port); -} - -void helper_outw(uint32_t port, uint32_t data) -{ - cpu_outw(port, data & 0xffff); -} - -target_ulong helper_inw(uint32_t port) -{ - return cpu_inw(port); -} - -void helper_outl(uint32_t port, uint32_t data) -{ - cpu_outl(port, data); -} - -target_ulong helper_inl(uint32_t port) -{ - return cpu_inl(port); -} - static inline unsigned int get_sp_mask(unsigned int e2) { if (e2 & DESC_B_MASK) { @@ -1353,16 +1279,6 @@ void do_interrupt_x86_hardirq(CPUX86State *env1, int intno, int is_hw) env = saved_env; } -void helper_into(int next_eip_addend) -{ - int eflags; - - eflags = helper_cc_compute_all(CC_OP); - if (eflags & CC_O) { - raise_interrupt(env, EXCP04_INTO, 1, 0, next_eip_addend); - } -} - void helper_cmpxchg8b(target_ulong a0) { uint64_t d; @@ -1411,28 +1327,6 @@ void helper_cmpxchg16b(target_ulong a0) } #endif -void helper_single_step(void) -{ -#ifndef CONFIG_USER_ONLY - check_hw_breakpoints(env, 1); - env->dr[6] |= DR6_BS; -#endif - raise_exception(env, EXCP01_DB); -} - -void helper_cpuid(void) -{ - uint32_t eax, ebx, ecx, edx; - - cpu_svm_check_intercept_param(env, SVM_EXIT_CPUID, 0); - - cpu_x86_cpuid(env, (uint32_t)EAX, (uint32_t)ECX, &eax, &ebx, &ecx, &edx); - EAX = eax; - EBX = ebx; - ECX = ecx; - EDX = edx; -} - void helper_enter_level(int level, int data32, target_ulong t1) { target_ulong ssp; @@ -2454,430 +2348,6 @@ void helper_sysexit(int dflag) EIP = EDX; } -#if defined(CONFIG_USER_ONLY) -target_ulong helper_read_crN(int reg) -{ - return 0; -} - -void helper_write_crN(int reg, target_ulong t0) -{ -} - -void helper_movl_drN_T0(int reg, target_ulong t0) -{ -} -#else -target_ulong helper_read_crN(int reg) -{ - target_ulong val; - - cpu_svm_check_intercept_param(env, SVM_EXIT_READ_CR0 + reg, 0); - switch (reg) { - default: - val = env->cr[reg]; - break; - case 8: - if (!(env->hflags2 & HF2_VINTR_MASK)) { - val = cpu_get_apic_tpr(env->apic_state); - } else { - val = env->v_tpr; - } - break; - } - return val; -} - -void helper_write_crN(int reg, target_ulong t0) -{ - cpu_svm_check_intercept_param(env, SVM_EXIT_WRITE_CR0 + reg, 0); - switch (reg) { - case 0: - cpu_x86_update_cr0(env, t0); - break; - case 3: - cpu_x86_update_cr3(env, t0); - break; - case 4: - cpu_x86_update_cr4(env, t0); - break; - case 8: - if (!(env->hflags2 & HF2_VINTR_MASK)) { - cpu_set_apic_tpr(env->apic_state, t0); - } - env->v_tpr = t0 & 0x0f; - break; - default: - env->cr[reg] = t0; - break; - } -} - -void helper_movl_drN_T0(int reg, target_ulong t0) -{ - int i; - - if (reg < 4) { - hw_breakpoint_remove(env, reg); - env->dr[reg] = t0; - hw_breakpoint_insert(env, reg); - } else if (reg == 7) { - for (i = 0; i < 4; i++) { - hw_breakpoint_remove(env, i); - } - env->dr[7] = t0; - for (i = 0; i < 4; i++) { - hw_breakpoint_insert(env, i); - } - } else { - env->dr[reg] = t0; - } -} -#endif - -void helper_lmsw(target_ulong t0) -{ - /* only 4 lower bits of CR0 are modified. PE cannot be set to zero - if already set to one. */ - t0 = (env->cr[0] & ~0xe) | (t0 & 0xf); - helper_write_crN(0, t0); -} - -void helper_invlpg(target_ulong addr) -{ - cpu_svm_check_intercept_param(env, SVM_EXIT_INVLPG, 0); - tlb_flush_page(env, addr); -} - -void helper_rdtsc(void) -{ - uint64_t val; - - if ((env->cr[4] & CR4_TSD_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) { - raise_exception(env, EXCP0D_GPF); - } - cpu_svm_check_intercept_param(env, SVM_EXIT_RDTSC, 0); - - val = cpu_get_tsc(env) + env->tsc_offset; - EAX = (uint32_t)(val); - EDX = (uint32_t)(val >> 32); -} - -void helper_rdtscp(void) -{ - helper_rdtsc(); - ECX = (uint32_t)(env->tsc_aux); -} - -void helper_rdpmc(void) -{ - if ((env->cr[4] & CR4_PCE_MASK) && ((env->hflags & HF_CPL_MASK) != 0)) { - raise_exception(env, EXCP0D_GPF); - } - cpu_svm_check_intercept_param(env, SVM_EXIT_RDPMC, 0); - - /* currently unimplemented */ - qemu_log_mask(LOG_UNIMP, "x86: unimplemented rdpmc\n"); - raise_exception_err(env, EXCP06_ILLOP, 0); -} - -#if defined(CONFIG_USER_ONLY) -void helper_wrmsr(void) -{ -} - -void helper_rdmsr(void) -{ -} -#else -void helper_wrmsr(void) -{ - uint64_t val; - - cpu_svm_check_intercept_param(env, SVM_EXIT_MSR, 1); - - val = ((uint32_t)EAX) | ((uint64_t)((uint32_t)EDX) << 32); - - switch ((uint32_t)ECX) { - case MSR_IA32_SYSENTER_CS: - env->sysenter_cs = val & 0xffff; - break; - case MSR_IA32_SYSENTER_ESP: - env->sysenter_esp = val; - break; - case MSR_IA32_SYSENTER_EIP: - env->sysenter_eip = val; - break; - case MSR_IA32_APICBASE: - cpu_set_apic_base(env->apic_state, val); - break; - case MSR_EFER: - { - uint64_t update_mask; - - update_mask = 0; - if (env->cpuid_ext2_features & CPUID_EXT2_SYSCALL) { - update_mask |= MSR_EFER_SCE; - } - if (env->cpuid_ext2_features & CPUID_EXT2_LM) { - update_mask |= MSR_EFER_LME; - } - if (env->cpuid_ext2_features & CPUID_EXT2_FFXSR) { - update_mask |= MSR_EFER_FFXSR; - } - if (env->cpuid_ext2_features & CPUID_EXT2_NX) { - update_mask |= MSR_EFER_NXE; - } - if (env->cpuid_ext3_features & CPUID_EXT3_SVM) { - update_mask |= MSR_EFER_SVME; - } - if (env->cpuid_ext2_features & CPUID_EXT2_FFXSR) { - update_mask |= MSR_EFER_FFXSR; - } - cpu_load_efer(env, (env->efer & ~update_mask) | - (val & update_mask)); - } - break; - case MSR_STAR: - env->star = val; - break; - case MSR_PAT: - env->pat = val; - break; - case MSR_VM_HSAVE_PA: - env->vm_hsave = val; - break; -#ifdef TARGET_X86_64 - 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 - case MSR_MTRRphysBase(0): - case MSR_MTRRphysBase(1): - case MSR_MTRRphysBase(2): - case MSR_MTRRphysBase(3): - case MSR_MTRRphysBase(4): - case MSR_MTRRphysBase(5): - case MSR_MTRRphysBase(6): - case MSR_MTRRphysBase(7): - env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysBase(0)) / 2].base = val; - break; - case MSR_MTRRphysMask(0): - case MSR_MTRRphysMask(1): - case MSR_MTRRphysMask(2): - case MSR_MTRRphysMask(3): - case MSR_MTRRphysMask(4): - case MSR_MTRRphysMask(5): - case MSR_MTRRphysMask(6): - case MSR_MTRRphysMask(7): - env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysMask(0)) / 2].mask = val; - break; - case MSR_MTRRfix64K_00000: - env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix64K_00000] = val; - break; - case MSR_MTRRfix16K_80000: - case MSR_MTRRfix16K_A0000: - env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix16K_80000 + 1] = val; - break; - case MSR_MTRRfix4K_C0000: - case MSR_MTRRfix4K_C8000: - case MSR_MTRRfix4K_D0000: - case MSR_MTRRfix4K_D8000: - case MSR_MTRRfix4K_E0000: - case MSR_MTRRfix4K_E8000: - case MSR_MTRRfix4K_F0000: - case MSR_MTRRfix4K_F8000: - env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix4K_C0000 + 3] = val; - break; - case MSR_MTRRdefType: - env->mtrr_deftype = val; - break; - case MSR_MCG_STATUS: - env->mcg_status = val; - break; - case MSR_MCG_CTL: - if ((env->mcg_cap & MCG_CTL_P) - && (val == 0 || val == ~(uint64_t)0)) { - env->mcg_ctl = val; - } - break; - case MSR_TSC_AUX: - env->tsc_aux = val; - break; - case MSR_IA32_MISC_ENABLE: - env->msr_ia32_misc_enable = val; - break; - default: - if ((uint32_t)ECX >= MSR_MC0_CTL - && (uint32_t)ECX < MSR_MC0_CTL + (4 * env->mcg_cap & 0xff)) { - uint32_t offset = (uint32_t)ECX - MSR_MC0_CTL; - if ((offset & 0x3) != 0 - || (val == 0 || val == ~(uint64_t)0)) { - env->mce_banks[offset] = val; - } - break; - } - /* XXX: exception? */ - break; - } -} - -void helper_rdmsr(void) -{ - uint64_t val; - - cpu_svm_check_intercept_param(env, SVM_EXIT_MSR, 0); - - switch ((uint32_t)ECX) { - case MSR_IA32_SYSENTER_CS: - val = env->sysenter_cs; - break; - case MSR_IA32_SYSENTER_ESP: - val = env->sysenter_esp; - break; - case MSR_IA32_SYSENTER_EIP: - val = env->sysenter_eip; - break; - case MSR_IA32_APICBASE: - val = cpu_get_apic_base(env->apic_state); - break; - case MSR_EFER: - val = env->efer; - break; - case MSR_STAR: - val = env->star; - break; - case MSR_PAT: - val = env->pat; - break; - case MSR_VM_HSAVE_PA: - val = env->vm_hsave; - break; - case MSR_IA32_PERF_STATUS: - /* tsc_increment_by_tick */ - val = 1000ULL; - /* CPU multiplier */ - val |= (((uint64_t)4ULL) << 40); - break; -#ifdef TARGET_X86_64 - 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; - case MSR_TSC_AUX: - val = env->tsc_aux; - break; -#endif - case MSR_MTRRphysBase(0): - case MSR_MTRRphysBase(1): - case MSR_MTRRphysBase(2): - case MSR_MTRRphysBase(3): - case MSR_MTRRphysBase(4): - case MSR_MTRRphysBase(5): - case MSR_MTRRphysBase(6): - case MSR_MTRRphysBase(7): - val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysBase(0)) / 2].base; - break; - case MSR_MTRRphysMask(0): - case MSR_MTRRphysMask(1): - case MSR_MTRRphysMask(2): - case MSR_MTRRphysMask(3): - case MSR_MTRRphysMask(4): - case MSR_MTRRphysMask(5): - case MSR_MTRRphysMask(6): - case MSR_MTRRphysMask(7): - val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysMask(0)) / 2].mask; - break; - case MSR_MTRRfix64K_00000: - val = env->mtrr_fixed[0]; - break; - case MSR_MTRRfix16K_80000: - case MSR_MTRRfix16K_A0000: - val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix16K_80000 + 1]; - break; - case MSR_MTRRfix4K_C0000: - case MSR_MTRRfix4K_C8000: - case MSR_MTRRfix4K_D0000: - case MSR_MTRRfix4K_D8000: - case MSR_MTRRfix4K_E0000: - case MSR_MTRRfix4K_E8000: - case MSR_MTRRfix4K_F0000: - case MSR_MTRRfix4K_F8000: - val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix4K_C0000 + 3]; - break; - case MSR_MTRRdefType: - val = env->mtrr_deftype; - break; - case MSR_MTRRcap: - if (env->cpuid_features & CPUID_MTRR) { - val = MSR_MTRRcap_VCNT | MSR_MTRRcap_FIXRANGE_SUPPORT | - MSR_MTRRcap_WC_SUPPORTED; - } else { - /* XXX: exception? */ - val = 0; - } - break; - case MSR_MCG_CAP: - val = env->mcg_cap; - break; - case MSR_MCG_CTL: - if (env->mcg_cap & MCG_CTL_P) { - val = env->mcg_ctl; - } else { - val = 0; - } - break; - case MSR_MCG_STATUS: - val = env->mcg_status; - break; - case MSR_IA32_MISC_ENABLE: - val = env->msr_ia32_misc_enable; - break; - default: - if ((uint32_t)ECX >= MSR_MC0_CTL - && (uint32_t)ECX < MSR_MC0_CTL + (4 * env->mcg_cap & 0xff)) { - uint32_t offset = (uint32_t)ECX - MSR_MC0_CTL; - val = env->mce_banks[offset]; - break; - } - /* XXX: exception? */ - val = 0; - break; - } - EAX = (uint32_t)(val); - EDX = (uint32_t)(val >> 32); -} -#endif - target_ulong helper_lsl(target_ulong selector1) { unsigned int limit; @@ -3065,54 +2535,6 @@ void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector) } #endif -static void do_hlt(void) -{ - env->hflags &= ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before */ - env->halted = 1; - env->exception_index = EXCP_HLT; - cpu_loop_exit(env); -} - -void helper_hlt(int next_eip_addend) -{ - cpu_svm_check_intercept_param(env, SVM_EXIT_HLT, 0); - EIP += next_eip_addend; - - do_hlt(); -} - -void helper_monitor(target_ulong ptr) -{ - if ((uint32_t)ECX != 0) { - raise_exception(env, EXCP0D_GPF); - } - /* XXX: store address? */ - cpu_svm_check_intercept_param(env, SVM_EXIT_MONITOR, 0); -} - -void helper_mwait(int next_eip_addend) -{ - if ((uint32_t)ECX != 0) { - raise_exception(env, EXCP0D_GPF); - } - cpu_svm_check_intercept_param(env, SVM_EXIT_MWAIT, 0); - EIP += next_eip_addend; - - /* XXX: not complete but not completely erroneous */ - if (env->cpu_index != 0 || env->next_cpu != NULL) { - /* more than one CPU: do not sleep because another CPU may - wake this one */ - } else { - do_hlt(); - } -} - -void helper_debug(void) -{ - env->exception_index = EXCP_DEBUG; - cpu_loop_exit(env); -} - void helper_boundw(target_ulong a0, int v) { int low, high; |