This is in preparation of eliminating the mis-naming of 64-bit fields with 32-bit register names (eflags instead of rflags etc). Use the guaranteed 32-bit underscore prefixed names for now where appropriate.
Signed-off-by: Jan Beulich <jbeul...@suse.com> --- a/xen/arch/x86/hvm/svm/nestedsvm.c +++ b/xen/arch/x86/hvm/svm/nestedsvm.c @@ -322,10 +322,10 @@ static int nsvm_vcpu_hostrestore(struct if (rc != X86EMUL_OKAY) gdprintk(XENLOG_ERR, "hvm_set_cr3 failed, rc: %u\n", rc); - regs->eax = n1vmcb->rax; - regs->esp = n1vmcb->rsp; - regs->eip = n1vmcb->rip; - regs->eflags = n1vmcb->rflags; + regs->rax = n1vmcb->rax; + regs->rsp = n1vmcb->rsp; + regs->rip = n1vmcb->rip; + regs->rflags = n1vmcb->rflags; n1vmcb->_dr7 = 0; /* disable all breakpoints */ n1vmcb->_cpl = 0; @@ -653,10 +653,10 @@ static int nsvm_vmcb_prepare4vmrun(struc } /* Switch guest registers to l2 guest */ - regs->eax = ns_vmcb->rax; - regs->eip = ns_vmcb->rip; - regs->esp = ns_vmcb->rsp; - regs->eflags = ns_vmcb->rflags; + regs->rax = ns_vmcb->rax; + regs->rip = ns_vmcb->rip; + regs->rsp = ns_vmcb->rsp; + regs->rflags = ns_vmcb->rflags; #undef vcleanbit_set return 0; @@ -975,7 +975,7 @@ nsvm_vmcb_guest_intercepts_exitcode(stru break; ns_vmcb = nv->nv_vvmcx; vmexits = nsvm_vmcb_guest_intercepts_msr(svm->ns_cached_msrpm, - regs->ecx, ns_vmcb->exitinfo1 != 0); + regs->_ecx, ns_vmcb->exitinfo1 != 0); if (vmexits == NESTEDHVM_VMEXIT_HOST) return 0; break; --- a/xen/arch/x86/hvm/svm/svm.c +++ b/xen/arch/x86/hvm/svm/svm.c @@ -110,12 +110,12 @@ void __update_guest_eip(struct cpu_user_ ASSERT(regs == guest_cpu_user_regs()); - regs->eip += inst_len; - regs->eflags &= ~X86_EFLAGS_RF; + regs->rip += inst_len; + regs->_eflags &= ~X86_EFLAGS_RF; curr->arch.hvm_svm.vmcb->interrupt_shadow = 0; - if ( regs->eflags & X86_EFLAGS_TF ) + if ( regs->_eflags & X86_EFLAGS_TF ) hvm_inject_hw_exception(TRAP_debug, X86_EVENT_NO_EC); } @@ -520,7 +520,7 @@ static int svm_guest_x86_mode(struct vcp if ( unlikely(!(v->arch.hvm_vcpu.guest_cr[0] & X86_CR0_PE)) ) return 0; - if ( unlikely(guest_cpu_user_regs()->eflags & X86_EFLAGS_VM) ) + if ( unlikely(guest_cpu_user_regs()->_eflags & X86_EFLAGS_VM) ) return 1; if ( hvm_long_mode_enabled(v) && likely(vmcb->cs.attr.fields.l) ) return 8; @@ -1226,7 +1226,7 @@ static void svm_inject_event(const struc switch ( _event.vector ) { case TRAP_debug: - if ( regs->eflags & X86_EFLAGS_TF ) + if ( regs->_eflags & X86_EFLAGS_TF ) { __restore_debug_registers(vmcb, curr); vmcb_set_dr6(vmcb, vmcb_get_dr6(vmcb) | 0x4000); @@ -1635,18 +1635,18 @@ static void svm_vmexit_do_cpuid(struct c if ( (inst_len = __get_instruction_length(current, INSTR_CPUID)) == 0 ) return; - eax = regs->eax; - ebx = regs->ebx; - ecx = regs->ecx; - edx = regs->edx; + eax = regs->_eax; + ebx = regs->_ebx; + ecx = regs->_ecx; + edx = regs->_edx; hvm_cpuid(regs->_eax, &eax, &ebx, &ecx, &edx); HVMTRACE_5D(CPUID, regs->_eax, eax, ebx, ecx, edx); - regs->eax = eax; - regs->ebx = ebx; - regs->ecx = ecx; - regs->edx = edx; + regs->rax = eax; + regs->rbx = ebx; + regs->rcx = ecx; + regs->rdx = edx; __update_guest_eip(regs, inst_len); } @@ -2011,7 +2011,7 @@ static void svm_vmexit_do_hlt(struct vmc return; __update_guest_eip(regs, inst_len); - hvm_hlt(regs->eflags); + hvm_hlt(regs->_eflags); } static void svm_vmexit_do_rdtsc(struct cpu_user_regs *regs) @@ -2332,13 +2332,11 @@ void svm_vmexit_handler(struct cpu_user_ if ( hvm_long_mode_enabled(v) ) HVMTRACE_ND(VMEXIT64, vcpu_guestmode ? TRC_HVM_NESTEDFLAG : 0, 1/*cycles*/, 3, exit_reason, - (uint32_t)regs->eip, (uint32_t)((uint64_t)regs->eip >> 32), - 0, 0, 0); + regs->_eip, regs->rip >> 32, 0, 0, 0); else HVMTRACE_ND(VMEXIT, vcpu_guestmode ? TRC_HVM_NESTEDFLAG : 0, 1/*cycles*/, 2, exit_reason, - (uint32_t)regs->eip, - 0, 0, 0, 0); + regs->_eip, 0, 0, 0, 0); if ( vcpu_guestmode ) { enum nestedhvm_vmexits nsret; @@ -2476,9 +2474,8 @@ void svm_vmexit_handler(struct cpu_user_ regs->error_code = vmcb->exitinfo1; HVM_DBG_LOG(DBG_LEVEL_VMMU, "eax=%lx, ebx=%lx, ecx=%lx, edx=%lx, esi=%lx, edi=%lx", - (unsigned long)regs->eax, (unsigned long)regs->ebx, - (unsigned long)regs->ecx, (unsigned long)regs->edx, - (unsigned long)regs->esi, (unsigned long)regs->edi); + regs->rax, regs->rbx, regs->rcx, + regs->rdx, regs->rsi, regs->rdi); if ( cpu_has_svm_decode ) v->arch.hvm_svm.cached_insn_len = vmcb->guest_ins_len & 0xf; @@ -2616,7 +2613,7 @@ void svm_vmexit_handler(struct cpu_user_ case VMEXIT_INVLPGA: if ( (inst_len = __get_instruction_length(v, INSTR_INVLPGA)) == 0 ) break; - svm_invlpga_intercept(v, regs->eax, regs->ecx); + svm_invlpga_intercept(v, regs->rax, regs->_ecx); __update_guest_eip(regs, inst_len); break; @@ -2624,7 +2621,7 @@ void svm_vmexit_handler(struct cpu_user_ if ( (inst_len = __get_instruction_length(v, INSTR_VMCALL)) == 0 ) break; BUG_ON(vcpu_guestmode); - HVMTRACE_1D(VMMCALL, regs->eax); + HVMTRACE_1D(VMMCALL, regs->_eax); rc = hvm_do_hypercall(regs); if ( rc != HVM_HCALL_preempted ) { @@ -2648,7 +2645,7 @@ void svm_vmexit_handler(struct cpu_user_ break; case VMEXIT_RDTSCP: - regs->ecx = hvm_msr_tsc_aux(v); + regs->rcx = hvm_msr_tsc_aux(v); /* fall through */ case VMEXIT_RDTSC: svm_vmexit_do_rdtsc(regs); @@ -2660,13 +2657,13 @@ void svm_vmexit_handler(struct cpu_user_ break; case VMEXIT_VMRUN: - svm_vmexit_do_vmrun(regs, v, regs->eax); + svm_vmexit_do_vmrun(regs, v, regs->rax); break; case VMEXIT_VMLOAD: - svm_vmexit_do_vmload(vmcb, regs, v, regs->eax); + svm_vmexit_do_vmload(vmcb, regs, v, regs->rax); break; case VMEXIT_VMSAVE: - svm_vmexit_do_vmsave(vmcb, regs, v, regs->eax); + svm_vmexit_do_vmsave(vmcb, regs, v, regs->rax); break; case VMEXIT_STGI: svm_vmexit_do_stgi(regs, v);
x86/SVM: use unambiguous register names This is in preparation of eliminating the mis-naming of 64-bit fields with 32-bit register names (eflags instead of rflags etc). Use the guaranteed 32-bit underscore prefixed names for now where appropriate. Signed-off-by: Jan Beulich <jbeul...@suse.com> --- a/xen/arch/x86/hvm/svm/nestedsvm.c +++ b/xen/arch/x86/hvm/svm/nestedsvm.c @@ -322,10 +322,10 @@ static int nsvm_vcpu_hostrestore(struct if (rc != X86EMUL_OKAY) gdprintk(XENLOG_ERR, "hvm_set_cr3 failed, rc: %u\n", rc); - regs->eax = n1vmcb->rax; - regs->esp = n1vmcb->rsp; - regs->eip = n1vmcb->rip; - regs->eflags = n1vmcb->rflags; + regs->rax = n1vmcb->rax; + regs->rsp = n1vmcb->rsp; + regs->rip = n1vmcb->rip; + regs->rflags = n1vmcb->rflags; n1vmcb->_dr7 = 0; /* disable all breakpoints */ n1vmcb->_cpl = 0; @@ -653,10 +653,10 @@ static int nsvm_vmcb_prepare4vmrun(struc } /* Switch guest registers to l2 guest */ - regs->eax = ns_vmcb->rax; - regs->eip = ns_vmcb->rip; - regs->esp = ns_vmcb->rsp; - regs->eflags = ns_vmcb->rflags; + regs->rax = ns_vmcb->rax; + regs->rip = ns_vmcb->rip; + regs->rsp = ns_vmcb->rsp; + regs->rflags = ns_vmcb->rflags; #undef vcleanbit_set return 0; @@ -975,7 +975,7 @@ nsvm_vmcb_guest_intercepts_exitcode(stru break; ns_vmcb = nv->nv_vvmcx; vmexits = nsvm_vmcb_guest_intercepts_msr(svm->ns_cached_msrpm, - regs->ecx, ns_vmcb->exitinfo1 != 0); + regs->_ecx, ns_vmcb->exitinfo1 != 0); if (vmexits == NESTEDHVM_VMEXIT_HOST) return 0; break; --- a/xen/arch/x86/hvm/svm/svm.c +++ b/xen/arch/x86/hvm/svm/svm.c @@ -110,12 +110,12 @@ void __update_guest_eip(struct cpu_user_ ASSERT(regs == guest_cpu_user_regs()); - regs->eip += inst_len; - regs->eflags &= ~X86_EFLAGS_RF; + regs->rip += inst_len; + regs->_eflags &= ~X86_EFLAGS_RF; curr->arch.hvm_svm.vmcb->interrupt_shadow = 0; - if ( regs->eflags & X86_EFLAGS_TF ) + if ( regs->_eflags & X86_EFLAGS_TF ) hvm_inject_hw_exception(TRAP_debug, X86_EVENT_NO_EC); } @@ -520,7 +520,7 @@ static int svm_guest_x86_mode(struct vcp if ( unlikely(!(v->arch.hvm_vcpu.guest_cr[0] & X86_CR0_PE)) ) return 0; - if ( unlikely(guest_cpu_user_regs()->eflags & X86_EFLAGS_VM) ) + if ( unlikely(guest_cpu_user_regs()->_eflags & X86_EFLAGS_VM) ) return 1; if ( hvm_long_mode_enabled(v) && likely(vmcb->cs.attr.fields.l) ) return 8; @@ -1226,7 +1226,7 @@ static void svm_inject_event(const struc switch ( _event.vector ) { case TRAP_debug: - if ( regs->eflags & X86_EFLAGS_TF ) + if ( regs->_eflags & X86_EFLAGS_TF ) { __restore_debug_registers(vmcb, curr); vmcb_set_dr6(vmcb, vmcb_get_dr6(vmcb) | 0x4000); @@ -1635,18 +1635,18 @@ static void svm_vmexit_do_cpuid(struct c if ( (inst_len = __get_instruction_length(current, INSTR_CPUID)) == 0 ) return; - eax = regs->eax; - ebx = regs->ebx; - ecx = regs->ecx; - edx = regs->edx; + eax = regs->_eax; + ebx = regs->_ebx; + ecx = regs->_ecx; + edx = regs->_edx; hvm_cpuid(regs->_eax, &eax, &ebx, &ecx, &edx); HVMTRACE_5D(CPUID, regs->_eax, eax, ebx, ecx, edx); - regs->eax = eax; - regs->ebx = ebx; - regs->ecx = ecx; - regs->edx = edx; + regs->rax = eax; + regs->rbx = ebx; + regs->rcx = ecx; + regs->rdx = edx; __update_guest_eip(regs, inst_len); } @@ -2011,7 +2011,7 @@ static void svm_vmexit_do_hlt(struct vmc return; __update_guest_eip(regs, inst_len); - hvm_hlt(regs->eflags); + hvm_hlt(regs->_eflags); } static void svm_vmexit_do_rdtsc(struct cpu_user_regs *regs) @@ -2332,13 +2332,11 @@ void svm_vmexit_handler(struct cpu_user_ if ( hvm_long_mode_enabled(v) ) HVMTRACE_ND(VMEXIT64, vcpu_guestmode ? TRC_HVM_NESTEDFLAG : 0, 1/*cycles*/, 3, exit_reason, - (uint32_t)regs->eip, (uint32_t)((uint64_t)regs->eip >> 32), - 0, 0, 0); + regs->_eip, regs->rip >> 32, 0, 0, 0); else HVMTRACE_ND(VMEXIT, vcpu_guestmode ? TRC_HVM_NESTEDFLAG : 0, 1/*cycles*/, 2, exit_reason, - (uint32_t)regs->eip, - 0, 0, 0, 0); + regs->_eip, 0, 0, 0, 0); if ( vcpu_guestmode ) { enum nestedhvm_vmexits nsret; @@ -2476,9 +2474,8 @@ void svm_vmexit_handler(struct cpu_user_ regs->error_code = vmcb->exitinfo1; HVM_DBG_LOG(DBG_LEVEL_VMMU, "eax=%lx, ebx=%lx, ecx=%lx, edx=%lx, esi=%lx, edi=%lx", - (unsigned long)regs->eax, (unsigned long)regs->ebx, - (unsigned long)regs->ecx, (unsigned long)regs->edx, - (unsigned long)regs->esi, (unsigned long)regs->edi); + regs->rax, regs->rbx, regs->rcx, + regs->rdx, regs->rsi, regs->rdi); if ( cpu_has_svm_decode ) v->arch.hvm_svm.cached_insn_len = vmcb->guest_ins_len & 0xf; @@ -2616,7 +2613,7 @@ void svm_vmexit_handler(struct cpu_user_ case VMEXIT_INVLPGA: if ( (inst_len = __get_instruction_length(v, INSTR_INVLPGA)) == 0 ) break; - svm_invlpga_intercept(v, regs->eax, regs->ecx); + svm_invlpga_intercept(v, regs->rax, regs->_ecx); __update_guest_eip(regs, inst_len); break; @@ -2624,7 +2621,7 @@ void svm_vmexit_handler(struct cpu_user_ if ( (inst_len = __get_instruction_length(v, INSTR_VMCALL)) == 0 ) break; BUG_ON(vcpu_guestmode); - HVMTRACE_1D(VMMCALL, regs->eax); + HVMTRACE_1D(VMMCALL, regs->_eax); rc = hvm_do_hypercall(regs); if ( rc != HVM_HCALL_preempted ) { @@ -2648,7 +2645,7 @@ void svm_vmexit_handler(struct cpu_user_ break; case VMEXIT_RDTSCP: - regs->ecx = hvm_msr_tsc_aux(v); + regs->rcx = hvm_msr_tsc_aux(v); /* fall through */ case VMEXIT_RDTSC: svm_vmexit_do_rdtsc(regs); @@ -2660,13 +2657,13 @@ void svm_vmexit_handler(struct cpu_user_ break; case VMEXIT_VMRUN: - svm_vmexit_do_vmrun(regs, v, regs->eax); + svm_vmexit_do_vmrun(regs, v, regs->rax); break; case VMEXIT_VMLOAD: - svm_vmexit_do_vmload(vmcb, regs, v, regs->eax); + svm_vmexit_do_vmload(vmcb, regs, v, regs->rax); break; case VMEXIT_VMSAVE: - svm_vmexit_do_vmsave(vmcb, regs, v, regs->eax); + svm_vmexit_do_vmsave(vmcb, regs, v, regs->rax); break; case VMEXIT_STGI: svm_vmexit_do_stgi(regs, v);
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