diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 8289dc87bd..fc3ed80ef1 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -5764,12 +5764,13 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, *edx = 0; break; case 0x8000001F: - *eax = sev_enabled() ? 0x2 : 0; - *eax |= sev_es_enabled() ? 0x8 : 0; - *ebx = sev_get_cbit_position(); - *ebx |= sev_get_reduced_phys_bits() << 6; - *ecx = 0; - *edx = 0; + *eax = *ebx = *ecx = *edx = 0; + if (sev_enabled()) { + *eax = 0x2; + *eax |= sev_es_enabled() ? 0x8 : 0; + *ebx = sev_get_cbit_position(); + *ebx |= sev_get_reduced_phys_bits() << 6; + } break; default: /* reserved values: zero */ diff --git a/target/i386/meson.build b/target/i386/meson.build index a4f45c3ec1..ae38dc9563 100644 --- a/target/i386/meson.build +++ b/target/i386/meson.build @@ -6,7 +6,7 @@ i386_ss.add(files( 'xsave_helper.c', 'cpu-dump.c', )) -i386_ss.add(when: 'CONFIG_SEV', if_true: files('host-cpu.c'), if_false: files('sev-stub.c')) +i386_ss.add(when: 'CONFIG_SEV', if_true: files('host-cpu.c')) # x86 cpu type i386_ss.add(when: 'CONFIG_KVM', if_true: files('host-cpu.c')) diff --git a/target/i386/sev-stub.c b/target/i386/sev-stub.c deleted file mode 100644 index 7e8b6f9a25..0000000000 --- a/target/i386/sev-stub.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * QEMU SEV stub - * - * Copyright Advanced Micro Devices 2018 - * - * Authors: - * Brijesh Singh - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - * - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "sev.h" - -bool sev_enabled(void) -{ - return false; -} - -uint32_t sev_get_cbit_position(void) -{ - return 0; -} - -uint32_t sev_get_reduced_phys_bits(void) -{ - return 0; -} - -bool sev_es_enabled(void) -{ - return false; -} - -bool sev_add_kernel_loader_hashes(SevKernelLoaderContext *ctx, Error **errp) -{ - g_assert_not_reached(); -} diff --git a/target/i386/sev.h b/target/i386/sev.h index c96072bf78..b6289234b0 100644 --- a/target/i386/sev.h +++ b/target/i386/sev.h @@ -14,6 +14,10 @@ #ifndef QEMU_SEV_I386_H #define QEMU_SEV_I386_H +#ifndef CONFIG_USER_ONLY +#include CONFIG_DEVICES /* CONFIG_SEV */ +#endif + #include "exec/confidential-guest-support.h" #include "qapi/qapi-types-misc-target.h" @@ -35,8 +39,14 @@ typedef struct SevKernelLoaderContext { size_t cmdline_size; } SevKernelLoaderContext; +#ifdef CONFIG_SEV bool sev_enabled(void); -extern bool sev_es_enabled(void); +bool sev_es_enabled(void); +#else +#define sev_enabled() 0 +#define sev_es_enabled() 0 +#endif + extern SevInfo *sev_get_info(void); extern uint32_t sev_get_cbit_position(void); extern uint32_t sev_get_reduced_phys_bits(void);