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[Qemu-devel] [RFC v2 08/34] translate-all: Move tcg_handle_interrupt to
From: |
Peter Crosthwaite |
Subject: |
[Qemu-devel] [RFC v2 08/34] translate-all: Move tcg_handle_interrupt to -common |
Date: |
Sat, 30 May 2015 23:11:41 -0700 |
Move this function to common code. It has no arch specific
dependencies. Prepares support for multi-arch where the translate-all
interface needs to be virtualised. One less thing to virtualise.
Signed-off-by: Peter Crosthwaite <address@hidden>
---
translate-all.c | 30 ------------------------------
translate-common.c | 35 +++++++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+), 30 deletions(-)
diff --git a/translate-all.c b/translate-all.c
index b2edfb4..7d27c5d 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -1447,36 +1447,6 @@ void tb_check_watchpoint(CPUState *cpu)
}
#ifndef CONFIG_USER_ONLY
-/* mask must never be zero, except for A20 change call */
-static void tcg_handle_interrupt(CPUState *cpu, int mask)
-{
- int old_mask;
-
- old_mask = cpu->interrupt_request;
- cpu->interrupt_request |= mask;
-
- /*
- * If called from iothread context, wake the target cpu in
- * case its halted.
- */
- if (!qemu_cpu_is_self(cpu)) {
- qemu_cpu_kick(cpu);
- return;
- }
-
- if (use_icount) {
- cpu->icount_decr.u16.high = 0xffff;
- if (!cpu_can_do_io(cpu)
- && (mask & ~old_mask) != 0) {
- cpu_abort(cpu, "Raised interrupt while not in I/O function");
- }
- } else {
- cpu->tcg_exit_req = 1;
- }
-}
-
-CPUInterruptHandler cpu_interrupt_handler = tcg_handle_interrupt;
-
/* in deterministic execution mode, instructions doing device I/Os
must be at the end of the TB */
void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
diff --git a/translate-common.c b/translate-common.c
index 563ae5a..806b36e 100644
--- a/translate-common.c
+++ b/translate-common.c
@@ -1,6 +1,7 @@
/*
* Host code generation common components
*
+ * Copyright (c) 2003 Fabrice Bellard
* Copyright (c) 2015 Peter Crosthwaite <address@hidden>
*
* This library is free software; you can redistribute it and/or
@@ -18,6 +19,40 @@
*/
#include "qemu-common.h"
+#include "qom/cpu.h"
+
+#ifndef CONFIG_USER_ONLY
+/* mask must never be zero, except for A20 change call */
+static void tcg_handle_interrupt(CPUState *cpu, int mask)
+{
+ int old_mask;
+
+ old_mask = cpu->interrupt_request;
+ cpu->interrupt_request |= mask;
+
+ /*
+ * If called from iothread context, wake the target cpu in
+ * case its halted.
+ */
+ if (!qemu_cpu_is_self(cpu)) {
+ qemu_cpu_kick(cpu);
+ return;
+ }
+
+ if (use_icount) {
+ cpu->icount_decr.u16.high = 0xffff;
+ if (!cpu_can_do_io(cpu)
+ && (mask & ~old_mask) != 0) {
+ cpu_abort(cpu, "Raised interrupt while not in I/O function");
+ }
+ } else {
+ cpu->tcg_exit_req = 1;
+ }
+}
+
+CPUInterruptHandler cpu_interrupt_handler = tcg_handle_interrupt;
+
+#endif
typedef struct TCGExecInitFn {
void (*do_tcg_exec_init)(unsigned long tb_size);
--
1.9.1
- [Qemu-devel] [RFC v2 00/34] Multi Architecture System Emulation, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 01/34] cpu-defs: Move CPU_TEMP_BUF_NLONGS to tcg, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 02/34] cpu-exec: Purge all uses of CPU_GET_ENV, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 03/34] Makefile.target: Introduce arch-obj, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 04/34] cpu-exec: Migrate some generic fns to cpus.c, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 05/34] translate: Listify tcg_exec_init, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 06/34] cpu-common: Define tb_page_addr_t for everyone, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 07/34] exec-all: Move cpu_can_do_io to qom/cpu.h, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 08/34] translate-all: Move tcg_handle_interrupt to -common,
Peter Crosthwaite <=
- [Qemu-devel] [RFC v2 09/34] include/exec: Move standard exceptions to cpu-all.h, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 10/34] include/exec: Split target_long def to new header, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 11/34] include/exec: Move cputlb exec.c defs out, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 12/34] include/exec: Move tb hash functions out, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 13/34] cpu-defs: Move out TB_JMP defines, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 14/34] cpu-defs: Allow multiple inclusions, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 15/34] HACK: monitor: Comment out TCG profile ops, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 16/34] HACK: Disable list_cpus, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 17/34] HACK: globalise TCG page size variables, Peter Crosthwaite, 2015/05/31
- [Qemu-devel] [RFC v2 18/34] HACK: monitor: uninclude cpu_ldst, Peter Crosthwaite, 2015/05/31