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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-01-24 11:16:39 +0100
committerRichard Henderson <richard.henderson@linaro.org>2024-01-29 21:04:10 +1000
commitec1d32af123e7f13d98754a72bcaa7aa8c8e9d27 (patch)
treefce584e536be982c8fdeafc42a4c9c945912d1d5 /target/i386
parentaa6fb65746c90496c3829fd49f86c7b059c4b846 (diff)
target/i386: Extract x86_cpu_exec_halt() from accel/tcg/
Move this x86-specific code out of the generic accel/tcg/. Reported-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Anton Johansson <anjo@rev.ng> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20240124101639.30056-10-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/i386')
-rw-r--r--target/i386/tcg/helper-tcg.h1
-rw-r--r--target/i386/tcg/sysemu/seg_helper.c13
-rw-r--r--target/i386/tcg/tcg-cpu.c1
3 files changed, 15 insertions, 0 deletions
diff --git a/target/i386/tcg/helper-tcg.h b/target/i386/tcg/helper-tcg.h
index 253b1f561e..effc2c1c98 100644
--- a/target/i386/tcg/helper-tcg.h
+++ b/target/i386/tcg/helper-tcg.h
@@ -39,6 +39,7 @@ QEMU_BUILD_BUG_ON(TCG_PHYS_ADDR_BITS > TARGET_PHYS_ADDR_SPACE_BITS);
*/
void x86_cpu_do_interrupt(CPUState *cpu);
#ifndef CONFIG_USER_ONLY
+void x86_cpu_exec_halt(CPUState *cpu);
bool x86_need_replay_interrupt(int interrupt_request);
bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
#endif
diff --git a/target/i386/tcg/sysemu/seg_helper.c b/target/i386/tcg/sysemu/seg_helper.c
index e6f42282bb..2db8083748 100644
--- a/target/i386/tcg/sysemu/seg_helper.c
+++ b/target/i386/tcg/sysemu/seg_helper.c
@@ -20,6 +20,7 @@
#include "qemu/osdep.h"
#include "qemu/log.h"
+#include "qemu/main-loop.h"
#include "cpu.h"
#include "exec/helper-proto.h"
#include "exec/cpu_ldst.h"
@@ -127,6 +128,18 @@ void x86_cpu_do_interrupt(CPUState *cs)
}
}
+void x86_cpu_exec_halt(CPUState *cpu)
+{
+ if (cpu->interrupt_request & CPU_INTERRUPT_POLL) {
+ X86CPU *x86_cpu = X86_CPU(cpu);
+
+ bql_lock();
+ apic_poll_irq(x86_cpu->apic_state);
+ cpu_reset_interrupt(cpu, CPU_INTERRUPT_POLL);
+ bql_unlock();
+ }
+}
+
bool x86_need_replay_interrupt(int interrupt_request)
{
/*
diff --git a/target/i386/tcg/tcg-cpu.c b/target/i386/tcg/tcg-cpu.c
index 5bdcf45199..cca19cd40e 100644
--- a/target/i386/tcg/tcg-cpu.c
+++ b/target/i386/tcg/tcg-cpu.c
@@ -119,6 +119,7 @@ static const TCGCPUOps x86_tcg_ops = {
#else
.tlb_fill = x86_cpu_tlb_fill,
.do_interrupt = x86_cpu_do_interrupt,
+ .cpu_exec_halt = x86_cpu_exec_halt,
.cpu_exec_interrupt = x86_cpu_exec_interrupt,
.do_unaligned_access = x86_cpu_do_unaligned_access,
.debug_excp_handler = breakpoint_handler,