On 9/15/2014 10:03 AM, Paolo Bonzini wrote:
> These two functions will group together four CR bits into a single
> value, once we change the representation of condition registers.
>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
> linux-user/main.c | 2 +-
> target-ppc/cpu.h | 10 ++++++++++
> target-ppc/excp_helper.c | 2 +-
> target-ppc/fpu_helper.c | 6 ++++--
> target-ppc/int_helper.c | 14 +++++++-------
> target-ppc/translate.c | 13 +++++++------
> 6 files changed, 30 insertions(+), 17 deletions(-)
>
> diff --git a/linux-user/main.c b/linux-user/main.c
> index 472a16d..152c031 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -1550,7 +1550,7 @@ static int do_store_exclusive(CPUPPCState *env)
> }
> }
> }
> - env->crf[0] = (stored << 1) | xer_so;
> + ppc_set_crf(env, 0, (stored << 1) | xer_so);
> env->reserve_addr = (target_ulong)-1;
> }
> if (!segv) {
> diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
> index 0c0196d..91eac17 100644
> --- a/target-ppc/cpu.h
> +++ b/target-ppc/cpu.h
> @@ -1217,6 +1217,16 @@ static inline void ppc_set_cr(CPUPPCState *env,
> uint32_t cr)
> }
> }
>
> +static inline uint32_t ppc_get_crf(const CPUPPCState *env, int i)
> +{
> + return env->crf[i];
> +}
> +
> +static inline void ppc_set_crf(CPUPPCState *env, int i, uint32_t val)
> +{
> + env->crf[i] = val;
> +}
> +
> static inline uint64_t ppc_dump_gpr(CPUPPCState *env, int gprn)
> {
> uint64_t gprv;
> diff --git a/target-ppc/excp_helper.c b/target-ppc/excp_helper.c
> index 96ad9d7..08637c1 100644
> --- a/target-ppc/excp_helper.c
> +++ b/target-ppc/excp_helper.c
> @@ -504,7 +504,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int
> excp_model, int excp)
> env->error_code);
> }
> #endif
> - msr |= env->crf[0] << 28;
> + msr |= ppc_get_crf(env, 0) << 28;
> msr |= env->error_code; /* key, D/I, S/L bits */
> /* Set way using a LRU mechanism */
> msr |= ((env->last_way + 1) & (env->nb_ways - 1)) << 17;
> diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c
> index b4e6d72..8cf321b 100644
> --- a/target-ppc/fpu_helper.c
> +++ b/target-ppc/fpu_helper.c
> @@ -1099,7 +1099,8 @@ void helper_fcmpu(CPUPPCState *env, uint64_t arg1,
> uint64_t arg2,
>
> env->fpscr &= ~(0x0F << FPSCR_FPRF);
> env->fpscr |= (0x01 << FPSCR_FPRF) << fpcc;
> - env->crf[crfD] = (1 << fpcc);
> + ppc_set_crf(env, crfD, 1 << fpcc);
> +
> if (unlikely(fpcc == CRF_SO
> && (float64_is_signaling_nan(farg1.d) ||
> float64_is_signaling_nan(farg2.d)))) {
> @@ -1130,7 +1131,8 @@ void helper_fcmpo(CPUPPCState *env, uint64_t arg1,
> uint64_t arg2,
>
> env->fpscr &= ~(0x0F << FPSCR_FPRF);
> env->fpscr |= (0x01 << FPSCR_FPRF) << fpcc;
> - env->crf[crfD] = (1 << fpcc);
> + ppc_set_crf(env, crfD, 1 << fpcc);
> +
> if (unlikely(fpcc == CRF_SO)) {
> if (float64_is_signaling_nan(farg1.d) ||
> float64_is_signaling_nan(farg2.d)) {
> diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
> index 54e8998..b76a895 100644
> --- a/target-ppc/int_helper.c
> +++ b/target-ppc/int_helper.c
> @@ -294,7 +294,7 @@ void helper_mtocrf(CPUPPCState *env, target_ulong cr,
> uint32_t mask)
> int i;
> for (i = ARRAY_SIZE(env->crf); --i >= 0; ) {
> if (mask & 1) {
> - env->crf[i] = cr & 0x0F;
> + ppc_set_crf(env, i, cr & 0x0F);
> }
> cr >>= 4;
> mask >>= 1;
> @@ -657,7 +657,7 @@ VCF(sx, int32_to_float32, s32)
> none |= result; \
> } \
> if (record) { \
> - env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
> + ppc_set_crf(env, 6, ((all != 0) << 3) | ((none == 0) << 1)); \
> } \
> }
> #define VCMP(suffix, compare, element) \
> @@ -703,7 +703,7 @@ VCMP(gtsd, >, s64)
> none |= result; \
> } \
> if (record) { \
> - env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
> + ppc_set_crf(env, 6, ((all != 0) << 3) | ((none == 0) << 1)); \
> } \
> }
> #define VCMPFP(suffix, compare, order) \
> @@ -737,7 +737,7 @@ static inline void vcmpbfp_internal(CPUPPCState *env,
> ppc_avr_t *r,
> }
> }
> if (record) {
> - env->crf[6] = (all_in == 0) << 1;
> + ppc_set_crf(env, 6, (all_in == 0) << 1);
> }
> }
>
> @@ -2558,7 +2558,7 @@ target_ulong helper_dlmzb(CPUPPCState *env,
> target_ulong high,
> for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
> if ((high & mask) == 0) {
> if (update_Rc) {
> - env->crf[0] = 0x4;
> + ppc_set_crf(env, 0, 0x4);
> }
> goto done;
> }
> @@ -2567,7 +2567,7 @@ target_ulong helper_dlmzb(CPUPPCState *env,
> target_ulong high,
> for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
> if ((low & mask) == 0) {
> if (update_Rc) {
> - env->crf[0] = 0x8;
> + ppc_set_crf(env, 0, 0x8);
> }
> goto done;
> }
> @@ -2575,7 +2575,7 @@ target_ulong helper_dlmzb(CPUPPCState *env,
> target_ulong high,
> }
> i = 8;
> if (update_Rc) {
> - env->crf[0] = 0x2;
> + ppc_set_crf(env, 0, 0x2);
> }
> done:
> env->xer = (env->xer & ~0x7F) | i;
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index 52062a8..9ff8763 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -11102,18 +11102,19 @@ void ppc_cpu_dump_state(CPUState *cs, FILE *f,
> fprintf_function cpu_fprintf,
> cpu_fprintf(f, "\n");
> }
> cpu_fprintf(f, "CR ");
> - for (i = 0; i < 8; i++)
> - cpu_fprintf(f, "%01x", env->crf[i]);
> + for (i = 0; i < 8; i++) {
> + cpu_fprintf(f, "%01x", ppc_get_crf(env, i));
> + }
> cpu_fprintf(f, " [");
> for (i = 0; i < 8; i++) {
> char a = '-';
> - if (env->crf[i] & 0x08)
> + if (ppc_get_crf(env, i) & 0x08)
> a = 'L';
> - else if (env->crf[i] & 0x04)
> + else if (ppc_get_crf(env, i) & 0x04)
> a = 'G';
> - else if (env->crf[i] & 0x02)
> + else if (ppc_get_crf(env, i) & 0x02)
> a = 'E';
> - cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
> + cpu_fprintf(f, " %c%c", a, ppc_get_crf(env, i) & 0x01 ? 'O' : ' ');
> }
> cpu_fprintf(f, " ] RES " TARGET_FMT_lx "\n",
> env->reserve_addr);
>
Checkpatch fails:
WARNING: braces {} are necessary for all arms of this statement
#171: FILE: target-ppc/translate.c:11111:
+ if (ppc_get_crf(env, i) & 0x08)
[...]
- else if (env->crf[i] & 0x04)
[...]
a = 'G';
[...]
WARNING: braces {} are necessary for all arms of this statement
#174: FILE: target-ppc/translate.c:11113:
+ else if (ppc_get_crf(env, i) & 0x04)
[...]
- else if (env->crf[i] & 0x02)
[...]
WARNING: braces {} are necessary for all arms of this statement
#177: FILE: target-ppc/translate.c:11115:
+ else if (ppc_get_crf(env, i) & 0x02)
[...]
total: 0 errors, 3 warnings, 131 lines checked
