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Diffstat (limited to 'arch/powerpc/lib/test_emulate_step.c')
-rw-r--r--arch/powerpc/lib/test_emulate_step.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c
index 783d1b85ecfe..8b4f6b3e96c4 100644
--- a/arch/powerpc/lib/test_emulate_step.c
+++ b/arch/powerpc/lib/test_emulate_step.c
@@ -53,6 +53,8 @@
ppc_inst_prefix(PPC_PREFIX_MLS | __PPC_PRFX_R(pr) | IMM_H(i), \
PPC_RAW_ADDI(t, a, i))
+#define TEST_SETB(t, bfa) ppc_inst(PPC_INST_SETB | ___PPC_RT(t) | ___PPC_RA((bfa & 0x7) << 2))
+
static void __init init_pt_regs(struct pt_regs *regs)
{
@@ -824,8 +826,7 @@ static void __init test_plxvp_pstxvp(void)
* XTp = 32xTX + 2xTp
* let RA=3 R=0 D=d0||d1=0 R=0 Tp=1 TX=1
*/
- instr = ppc_inst_prefix(PPC_RAW_PLXVP(34, 0, 3, 0) >> 32,
- PPC_RAW_PLXVP(34, 0, 3, 0) & 0xffffffff);
+ instr = ppc_inst_prefix(PPC_RAW_PLXVP_P(34, 0, 3, 0), PPC_RAW_PLXVP_S(34, 0, 3, 0));
stepped = emulate_step(&regs, instr);
if (stepped == 1 && cpu_has_feature(CPU_FTR_VSX)) {
@@ -853,8 +854,7 @@ static void __init test_plxvp_pstxvp(void)
* XSp = 32xSX + 2xSp
* let RA=3 D=d0||d1=0 R=0 Sp=1 SX=1
*/
- instr = ppc_inst_prefix(PPC_RAW_PSTXVP(34, 0, 3, 0) >> 32,
- PPC_RAW_PSTXVP(34, 0, 3, 0) & 0xffffffff);
+ instr = ppc_inst_prefix(PPC_RAW_PSTXVP_P(34, 0, 3, 0), PPC_RAW_PSTXVP_S(34, 0, 3, 0));
stepped = emulate_step(&regs, instr);
@@ -922,7 +922,7 @@ static struct compute_test compute_tests[] = {
.subtests = {
{
.descr = "R0 = LONG_MAX",
- .instr = ppc_inst(PPC_INST_NOP),
+ .instr = ppc_inst(PPC_RAW_NOP()),
.regs = {
.gpr[0] = LONG_MAX,
}
@@ -930,6 +930,33 @@ static struct compute_test compute_tests[] = {
}
},
{
+ .mnemonic = "setb",
+ .cpu_feature = CPU_FTR_ARCH_300,
+ .subtests = {
+ {
+ .descr = "BFA = 1, CR = GT",
+ .instr = TEST_SETB(20, 1),
+ .regs = {
+ .ccr = 0x4000000,
+ }
+ },
+ {
+ .descr = "BFA = 4, CR = LT",
+ .instr = TEST_SETB(20, 4),
+ .regs = {
+ .ccr = 0x8000,
+ }
+ },
+ {
+ .descr = "BFA = 5, CR = EQ",
+ .instr = TEST_SETB(20, 5),
+ .regs = {
+ .ccr = 0x200,
+ }
+ }
+ }
+ },
+ {
.mnemonic = "add",
.subtests = {
{
@@ -1582,6 +1609,7 @@ static int __init emulate_compute_instr(struct pt_regs *regs,
if (!regs || !ppc_inst_val(instr))
return -EINVAL;
+ /* This is not a return frame regs */
regs->nip = patch_site_addr(&patch__exec_instr);
analysed = analyse_instr(&op, regs, instr);