diff options
Diffstat (limited to 'arch/powerpc/lib')
| -rw-r--r-- | arch/powerpc/lib/sstep.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/lib/test_emulate_step.c | 7 |
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index c077acb983a1..5f3a7bd9d90d 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -3179,8 +3179,9 @@ int emulate_step(struct pt_regs *regs, unsigned int instr) * entry code works. If that is changed, this will * need to be changed also. */ - if (regs->gpr[0] == 0x1ebe && - cpu_has_feature(CPU_FTR_REAL_LE)) { + if (IS_ENABLED(CONFIG_PPC_FAST_ENDIAN_SWITCH) && + cpu_has_feature(CPU_FTR_REAL_LE) && + regs->gpr[0] == 0x1ebe) { regs->msr ^= MSR_LE; goto instr_done; } diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c index 42347067739c..53df4146dd32 100644 --- a/arch/powerpc/lib/test_emulate_step.c +++ b/arch/powerpc/lib/test_emulate_step.c @@ -13,19 +13,20 @@ #include <asm/code-patching.h> #define IMM_L(i) ((uintptr_t)(i) & 0xffff) +#define IMM_DS(i) ((uintptr_t)(i) & 0xfffc) /* * Defined with TEST_ prefix so it does not conflict with other * definitions. */ #define TEST_LD(r, base, i) (PPC_INST_LD | ___PPC_RT(r) | \ - ___PPC_RA(base) | IMM_L(i)) + ___PPC_RA(base) | IMM_DS(i)) #define TEST_LWZ(r, base, i) (PPC_INST_LWZ | ___PPC_RT(r) | \ ___PPC_RA(base) | IMM_L(i)) #define TEST_LWZX(t, a, b) (PPC_INST_LWZX | ___PPC_RT(t) | \ ___PPC_RA(a) | ___PPC_RB(b)) #define TEST_STD(r, base, i) (PPC_INST_STD | ___PPC_RS(r) | \ - ___PPC_RA(base) | ((i) & 0xfffc)) + ___PPC_RA(base) | IMM_DS(i)) #define TEST_LDARX(t, a, b, eh) (PPC_INST_LDARX | ___PPC_RT(t) | \ ___PPC_RA(a) | ___PPC_RB(b) | \ __PPC_EH(eh)) @@ -160,7 +161,7 @@ static void __init test_std(void) /* std r5, 0(r3) */ stepped = emulate_step(®s, TEST_STD(5, 3, 0)); - if (stepped == 1 || regs.gpr[5] == a) + if (stepped == 1 && regs.gpr[5] == a) show_result("std", "PASS"); else show_result("std", "FAIL"); |