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[Qemu-devel] [PATCH] Handle icount for powerpc tbl/tbu/decr load and sto
From: |
Tristan Gingold |
Subject: |
[Qemu-devel] [PATCH] Handle icount for powerpc tbl/tbu/decr load and store. |
Date: |
Tue, 8 Feb 2011 10:59:50 +0100 |
Handle option '-icount X' on powerpc targets.
Signed-off-by: Tristan Gingold <address@hidden>
---
target-ppc/translate_init.c | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 907535e..7ef86ad 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -154,12 +154,24 @@ static void spr_read_ureg (void *opaque, int gprn, int
sprn)
#if !defined(CONFIG_USER_ONLY)
static void spr_read_decr (void *opaque, int gprn, int sprn)
{
+ if (use_icount)
+ gen_io_start();
gen_helper_load_decr(cpu_gpr[gprn]);
+ if (use_icount) {
+ gen_io_end();
+ gen_stop_exception(opaque);
+ }
}
static void spr_write_decr (void *opaque, int sprn, int gprn)
{
+ if (use_icount)
+ gen_io_start();
gen_helper_store_decr(cpu_gpr[gprn]);
+ if (use_icount) {
+ gen_io_end();
+ gen_stop_exception(opaque);
+ }
}
#endif
@@ -167,12 +179,24 @@ static void spr_write_decr (void *opaque, int sprn, int
gprn)
/* Time base */
static void spr_read_tbl (void *opaque, int gprn, int sprn)
{
+ if (use_icount)
+ gen_io_start();
gen_helper_load_tbl(cpu_gpr[gprn]);
+ if (use_icount) {
+ gen_io_end();
+ gen_stop_exception(opaque);
+ }
}
static void spr_read_tbu (void *opaque, int gprn, int sprn)
{
+ if (use_icount)
+ gen_io_start();
gen_helper_load_tbu(cpu_gpr[gprn]);
+ if (use_icount) {
+ gen_io_end();
+ gen_stop_exception(opaque);
+ }
}
__attribute__ (( unused ))
@@ -190,12 +214,24 @@ static void spr_read_atbu (void *opaque, int gprn, int
sprn)
#if !defined(CONFIG_USER_ONLY)
static void spr_write_tbl (void *opaque, int sprn, int gprn)
{
+ if (use_icount)
+ gen_io_start();
gen_helper_store_tbl(cpu_gpr[gprn]);
+ if (use_icount) {
+ gen_io_end();
+ gen_stop_exception(opaque);
+ }
}
static void spr_write_tbu (void *opaque, int sprn, int gprn)
{
+ if (use_icount)
+ gen_io_start();
gen_helper_store_tbu(cpu_gpr[gprn]);
+ if (use_icount) {
+ gen_io_end();
+ gen_stop_exception(opaque);
+ }
}
__attribute__ (( unused ))
--
1.7.3.GIT
- [Qemu-devel] [PATCH] Handle icount for powerpc tbl/tbu/decr load and store.,
Tristan Gingold <=