qemu-kvm/SOURCES/kvm-target-i386-Remove-AccelCPUClass-cpu_class_init-need.patch

123 lines
4.1 KiB
Diff

From 5be7728369a8f109a86b2d5aea89c6dc4014c559 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 18 Jul 2025 18:03:45 +0200
Subject: [PATCH 023/115] target/i386: Remove AccelCPUClass::cpu_class_init
need
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Paolo Bonzini <pbonzini@redhat.com>
RH-MergeRequest: 391: TDX support, including attestation and device assignment
RH-Jira: RHEL-15710 RHEL-20798 RHEL-49728
RH-Acked-by: Yash Mankad <None>
RH-Acked-by: Peter Xu <peterx@redhat.com>
RH-Acked-by: David Hildenbrand <david@redhat.com>
RH-Commit: [23/115] a327127b0c6a96c8198420732006770480b18e69 (bonzini/rhel-qemu-kvm)
Expose x86_tcg_ops symbol, then directly set it as
CPUClass::tcg_ops in TYPE_X86_CPU's class_init(),
using CONFIG_TCG #ifdef'ry. No need for the
AccelCPUClass::cpu_class_init() handler anymore.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250405161320.76854-3-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit a522b04bb9cf67789116ad7a6165946d4b214bac)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Conflicts: missing one member of x86_tcg_ops
---
target/i386/cpu.c | 4 ++++
target/i386/tcg/tcg-cpu.c | 14 +-------------
target/i386/tcg/tcg-cpu.h | 4 ++++
3 files changed, 9 insertions(+), 13 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 816285facd..4eef3d1dbd 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -42,6 +42,7 @@
#include "hw/boards.h"
#include "hw/i386/sgx-epc.h"
#endif
+#include "tcg/tcg-cpu.h"
#include "disas/capstone.h"
#include "cpu-internal.h"
@@ -9034,6 +9035,9 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
#ifndef CONFIG_USER_ONLY
cc->sysemu_ops = &i386_sysemu_ops;
#endif /* !CONFIG_USER_ONLY */
+#ifdef CONFIG_TCG
+ cc->tcg_ops = &x86_tcg_ops;
+#endif /* CONFIG_TCG */
cc->gdb_arch_name = x86_gdb_arch_name;
#ifdef TARGET_X86_64
diff --git a/target/i386/tcg/tcg-cpu.c b/target/i386/tcg/tcg-cpu.c
index cca19cd40e..0160f3f70d 100644
--- a/target/i386/tcg/tcg-cpu.c
+++ b/target/i386/tcg/tcg-cpu.c
@@ -106,7 +106,7 @@ static bool x86_debug_check_breakpoint(CPUState *cs)
#include "hw/core/tcg-cpu-ops.h"
-static const TCGCPUOps x86_tcg_ops = {
+const TCGCPUOps x86_tcg_ops = {
.initialize = tcg_x86_init,
.synchronize_from_tb = x86_cpu_synchronize_from_tb,
.restore_state_to_opc = x86_restore_state_to_opc,
@@ -128,17 +128,6 @@ static const TCGCPUOps x86_tcg_ops = {
#endif /* !CONFIG_USER_ONLY */
};
-static void x86_tcg_cpu_init_ops(AccelCPUClass *accel_cpu, CPUClass *cc)
-{
- /* for x86, all cpus use the same set of operations */
- cc->tcg_ops = &x86_tcg_ops;
-}
-
-static void x86_tcg_cpu_class_init(CPUClass *cc)
-{
- cc->init_accel_cpu = x86_tcg_cpu_init_ops;
-}
-
static void x86_tcg_cpu_xsave_init(void)
{
#define XO(bit, field) \
@@ -187,7 +176,6 @@ static void x86_tcg_cpu_accel_class_init(ObjectClass *oc, void *data)
acc->cpu_target_realize = tcg_cpu_realizefn;
#endif /* CONFIG_USER_ONLY */
- acc->cpu_class_init = x86_tcg_cpu_class_init;
acc->cpu_instance_init = x86_tcg_cpu_instance_init;
}
static const TypeInfo x86_tcg_cpu_accel_type_info = {
diff --git a/target/i386/tcg/tcg-cpu.h b/target/i386/tcg/tcg-cpu.h
index 53a8494455..9bbf0cb875 100644
--- a/target/i386/tcg/tcg-cpu.h
+++ b/target/i386/tcg/tcg-cpu.h
@@ -19,6 +19,8 @@
#ifndef TCG_CPU_H
#define TCG_CPU_H
+#include "cpu.h"
+
#define XSAVE_FCW_FSW_OFFSET 0x000
#define XSAVE_FTW_FOP_OFFSET 0x004
#define XSAVE_CWD_RIP_OFFSET 0x008
@@ -76,6 +78,8 @@ QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != XSAVE_ZMM_HI256_OFF
QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != XSAVE_HI16_ZMM_OFFSET);
QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != XSAVE_PKRU_OFFSET);
+extern const TCGCPUOps x86_tcg_ops;
+
bool tcg_cpu_realizefn(CPUState *cs, Error **errp);
#endif /* TCG_CPU_H */
--
2.50.1