selftests/powerpc: Standardise TM calls

Currently tbegin, tend etc are written as opcodes or asm instructions. So
standardise these to asm instructions.

Signed-off-by: Rashmica Gupta <rashmicy@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Rashmica Gupta 2015-12-23 16:49:51 +11:00 committed by Michael Ellerman
parent 2d59b3b256
commit da3ddc3b5f
2 changed files with 7 additions and 13 deletions

View File

@ -31,12 +31,6 @@
#include "utils.h"
#include "tm.h"
#define TBEGIN ".long 0x7C00051D ;"
#define TEND ".long 0x7C00055D ;"
#define TCHECK ".long 0x7C00059C ;"
#define TSUSPEND ".long 0x7C0005DD ;"
#define TRESUME ".long 0x7C2005DD ;"
#define SPRN_TEXASR 0x82
#define SPRN_DSCR 0x03
int test_body(void)
@ -55,13 +49,13 @@ int test_body(void)
"mtspr %[sprn_dscr], 3;"
/* start and suspend a transaction */
TBEGIN
"tbegin.;"
"beq 1f;"
TSUSPEND
"tsuspend.;"
/* hard loop until the transaction becomes doomed */
"2: ;"
TCHECK
"tcheck 0;"
"bc 4, 0, 2b;"
/* record DSCR and TEXASR */
@ -70,8 +64,8 @@ int test_body(void)
"mfspr 3, %[sprn_texasr];"
"std 3, %[texasr];"
TRESUME
TEND
"tresume.;"
"tend.;"
"li %[rv], 0;"
"1: ;"
: [rv]"=r"(rv), [dscr2]"=m"(dscr2), [texasr]"=m"(texasr)

View File

@ -60,9 +60,9 @@ int tm_signal_stack()
exit(1);
asm volatile("li 1, 0 ;" /* stack ptr == NULL */
"1:"
".long 0x7C00051D ;" /* tbegin */
"tbegin.;"
"beq 1b ;" /* retry forever */
".long 0x7C0005DD ; ;" /* tsuspend */
"tsuspend.;"
"ld 2, 0(1) ;" /* trigger segv" */
: : : "memory");