Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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* QEMU Hypervisor.framework (HVF) support -- ARM specifics
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*
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* Copyright (c) 2021 Alexander Graf
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef QEMU_HVF_ARM_H
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#define QEMU_HVF_ARM_H
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#include "system/hvf.h"
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#include "target/arm/cpu-qom.h"
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/**
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* hvf_arm_init_debug() - initialize guest debug capabilities
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*
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* Should be called only once before using guest debug capabilities.
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*/
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void hvf_arm_init_debug(void);
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void hvf_arm_set_cpu_features_from_host(ARMCPU *cpu);
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/*
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* We need access to types from macOS SDK >=15.2, so expose stubs if the
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* headers are not available until we raise our minimum macOS version.
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*/
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#ifdef __MAC_OS_X_VERSION_MAX_ALLOWED
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#if (__MAC_OS_X_VERSION_MAX_ALLOWED >= 150200) && defined(__aarch64__)
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#include "system/hvf_int.h"
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static inline bool hvf_arm_sme2_supported(void)
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{
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if (__builtin_available(macOS 15.2, *)) {
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size_t svl_bytes;
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hv_return_t result = hv_sme_config_get_max_svl_bytes(&svl_bytes);
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/* Nested virt not supported together with SME right now. */
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if (hvf_nested_virt_enabled()) {
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return false;
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}
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if (result == HV_UNSUPPORTED) {
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return false;
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}
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assert_hvf_ok(result);
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return svl_bytes > 0;
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} else {
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return false;
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}
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}
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static inline uint32_t hvf_arm_sme2_get_svl(void)
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{
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if (__builtin_available(macOS 15.2, *)) {
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size_t svl_bytes;
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hv_return_t result = hv_sme_config_get_max_svl_bytes(&svl_bytes);
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assert_hvf_ok(result);
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return svl_bytes;
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} else {
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abort();
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}
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}
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#else /* (__MAC_OS_X_VERSION_MAX_ALLOWED >= 150200) */
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#include "hvf/hvf_sme_stubs.h"
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#endif /* (__MAC_OS_X_VERSION_MAX_ALLOWED >= 150200) */
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#else /* ifdef __MAC_OS_X_VERSION_MAX_ALLOWED */
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#include "hvf/hvf_sme_stubs.h"
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#endif /* ifdef __MAC_OS_X_VERSION_MAX_ALLOWED */
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#endif
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