summaryrefslogtreecommitdiff
path: root/arch/powerpc/lib/test_emulate_step.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/lib/test_emulate_step.c')
-rw-r--r--arch/powerpc/lib/test_emulate_step.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c
index 988c734e7370..34f1ea0e6742 100644
--- a/arch/powerpc/lib/test_emulate_step.c
+++ b/arch/powerpc/lib/test_emulate_step.c
@@ -19,6 +19,18 @@
#define IGNORE_XER (0x1UL << 32)
#define IGNORE_CCR (0x1UL << 33)
+#define TEST_PLD(r, base, i, pr) \
+ ppc_inst_prefix(PPC_PREFIX_8LS | __PPC_PRFX_R(pr) | IMM_H(i), \
+ PPC_INST_PLD | ___PPC_RT(r) | ___PPC_RA(base) | IMM_L(i))
+
+#define TEST_PLWZ(r, base, i, pr) \
+ ppc_inst_prefix(PPC_PREFIX_MLS | __PPC_PRFX_R(pr) | IMM_H(i), \
+ PPC_RAW_LWZ(r, base, i))
+
+#define TEST_PSTD(r, base, i, pr) \
+ ppc_inst_prefix(PPC_PREFIX_8LS | __PPC_PRFX_R(pr) | IMM_H(i), \
+ PPC_INST_PSTD | ___PPC_RT(r) | ___PPC_RA(base) | IMM_L(i))
+
static void __init init_pt_regs(struct pt_regs *regs)
{
static unsigned long msr;
@@ -70,6 +82,29 @@ static void __init test_ld(void)
show_result("ld", "FAIL");
}
+static void __init test_pld(void)
+{
+ struct pt_regs regs;
+ unsigned long a = 0x23;
+ int stepped = -1;
+
+ if (!cpu_has_feature(CPU_FTR_ARCH_31)) {
+ show_result("pld", "SKIP (!CPU_FTR_ARCH_31)");
+ return;
+ }
+
+ init_pt_regs(&regs);
+ regs.gpr[3] = (unsigned long)&a;
+
+ /* pld r5, 0(r3), 0 */
+ stepped = emulate_step(&regs, TEST_PLD(5, 3, 0, 0));
+
+ if (stepped == 1 && regs.gpr[5] == a)
+ show_result("pld", "PASS");
+ else
+ show_result("pld", "FAIL");
+}
+
static void __init test_lwz(void)
{
struct pt_regs regs;
@@ -88,6 +123,30 @@ static void __init test_lwz(void)
show_result("lwz", "FAIL");
}
+static void __init test_plwz(void)
+{
+ struct pt_regs regs;
+ unsigned int a = 0x4545;
+ int stepped = -1;
+
+ if (!cpu_has_feature(CPU_FTR_ARCH_31)) {
+ show_result("plwz", "SKIP (!CPU_FTR_ARCH_31)");
+ return;
+ }
+
+ init_pt_regs(&regs);
+ regs.gpr[3] = (unsigned long)&a;
+
+ /* plwz r5, 0(r3), 0 */
+
+ stepped = emulate_step(&regs, TEST_PLWZ(5, 3, 0, 0));
+
+ if (stepped == 1 && regs.gpr[5] == a)
+ show_result("plwz", "PASS");
+ else
+ show_result("plwz", "FAIL");
+}
+
static void __init test_lwzx(void)
{
struct pt_regs regs;
@@ -125,6 +184,29 @@ static void __init test_std(void)
show_result("std", "FAIL");
}
+static void __init test_pstd(void)
+{
+ struct pt_regs regs;
+ unsigned long a = 0x1234;
+ int stepped = -1;
+
+ if (!cpu_has_feature(CPU_FTR_ARCH_31)) {
+ show_result("pstd", "SKIP (!CPU_FTR_ARCH_31)");
+ return;
+ }
+
+ init_pt_regs(&regs);
+ regs.gpr[3] = (unsigned long)&a;
+ regs.gpr[5] = 0x5678;
+
+ /* pstd r5, 0(r3), 0 */
+ stepped = emulate_step(&regs, TEST_PSTD(5, 3, 0, 0));
+ if (stepped == 1 || regs.gpr[5] == a)
+ show_result("pstd", "PASS");
+ else
+ show_result("pstd", "FAIL");
+}
+
static void __init test_ldarx_stdcx(void)
{
struct pt_regs regs;
@@ -404,9 +486,12 @@ static void __init test_lxvd2x_stxvd2x(void)
static void __init run_tests_load_store(void)
{
test_ld();
+ test_pld();
test_lwz();
+ test_plwz();
test_lwzx();
test_std();
+ test_pstd();
test_ldarx_stdcx();
test_lfsx_stfsx();
test_lfdx_stfdx();