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authorHarsh Prateek Bora <harshpb@linux.ibm.com>2023-05-03 15:06:18 +0530
committerDaniel Henrique Barboza <danielhb413@gmail.com>2023-05-05 12:34:22 -0300
commit2060436aab55ec391115ddb73e8773393008cac3 (patch)
treea0548197e9115ea1f565dffd8904aef8a5af9aff /linux-user/ppc
parent1b336bb63e6fa6e3bc343b19725e09a55adc17b1 (diff)
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ppc: spapr: cleanup cr get/set with helpers.
The bits in cr reg are grouped into eight 4-bit fields represented by env->crf[8] and the related calculations should be abstracted to keep the calling routines simpler to read. This is a step towards cleaning up the related/calling code for better readability. Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230503093619.2530487-2-harshpb@linux.ibm.com> [danielhb: add 'const' modifier to fix linux-user build] Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'linux-user/ppc')
-rw-r--r--linux-user/ppc/signal.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/linux-user/ppc/signal.c b/linux-user/ppc/signal.c
index 07729c1..a616f20 100644
--- a/linux-user/ppc/signal.c
+++ b/linux-user/ppc/signal.c
@@ -243,9 +243,7 @@ static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame)
__put_user(env->lr, &frame->mc_gregs[TARGET_PT_LNK]);
__put_user(cpu_read_xer(env), &frame->mc_gregs[TARGET_PT_XER]);
- for (i = 0; i < ARRAY_SIZE(env->crf); i++) {
- ccr |= env->crf[i] << (32 - ((i + 1) * 4));
- }
+ ccr = ppc_get_cr(env);
__put_user(ccr, &frame->mc_gregs[TARGET_PT_CCR]);
/* Save Altivec registers if necessary. */
@@ -335,10 +333,7 @@ static void restore_user_regs(CPUPPCState *env,
cpu_write_xer(env, xer);
__get_user(ccr, &frame->mc_gregs[TARGET_PT_CCR]);
- for (i = 0; i < ARRAY_SIZE(env->crf); i++) {
- env->crf[i] = (ccr >> (32 - ((i + 1) * 4))) & 0xf;
- }
-
+ ppc_set_cr(env, ccr);
if (!sig) {
env->gpr[2] = save_r2;
}