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Handle icount for powerpc tbl/tbu/decr load and store.

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Handle option '-icount X' on powerpc targets.

Signed-off-by: Tristan Gingold <gingold@adacore.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
This commit is contained in:
Tristan Gingold 2011-02-15 09:39:54 +01:00 committed by Edgar E. Iglesias
parent 459505a264
commit 630ecca0da
1 changed files with 42 additions and 0 deletions
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42
target-ppc/translate_init.c
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@ -154,12 +154,26 @@ 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 +181,26 @@ 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 +218,26 @@ 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 ))