diff mbox series

[v2,09/21] target/ppc: Remove msr_pow macro

Message ID 20220502143934.71908-10-victor.colombo@eldorado.org.br (mailing list archive)
State New, archived
Headers show
Series target/ppc: Remove hidden usages of *env | expand

Commit Message

Víctor Colombo May 2, 2022, 2:39 p.m. UTC 
msr_pow macro hides the usage of env->msr, which is a bad behavior
Substitute it with FIELD_EX64 calls that explicitly use env->msr
as a parameter.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>

---

v2: Remove M_MSR_POW and use FIELD_EX64 instead
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
---
 target/ppc/cpu.h         |  2 +-
 target/ppc/excp_helper.c | 12 ++++++------
 target/ppc/helper_regs.c |  2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

Comments

Richard Henderson May 2, 2022, 9:58 p.m. UTC | #1 
On 5/2/22 07:39, Víctor Colombo wrote:
> msr_pow macro hides the usage of env->msr, which is a bad behavior
> Substitute it with FIELD_EX64 calls that explicitly use env->msr
> as a parameter.
> 
> Suggested-by: Richard Henderson<richard.henderson@linaro.org>
> Signed-off-by: Víctor Colombo<victor.colombo@eldorado.org.br>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index 65cb457e6f..f283292863 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -354,6 +354,7 @@  typedef enum {
 #define MSR_RI   1  /* Recoverable interrupt                        1        */
 #define MSR_LE   0  /* Little-endian mode                           1 hflags */
 
+FIELD(MSR, POW, MSR_POW, 1)
 FIELD(MSR, CE, MSR_CE, 1)
 FIELD(MSR, ILE, MSR_ILE, 1)
 FIELD(MSR, EE, MSR_EE, 1)
@@ -478,7 +479,6 @@  FIELD(MSR, LE, MSR_LE, 1)
 #endif
 #define msr_cm   ((env->msr >> MSR_CM)   & 1)
 #define msr_gs   ((env->msr >> MSR_GS)   & 1)
-#define msr_pow  ((env->msr >> MSR_POW)  & 1)
 #define msr_fp   ((env->msr >> MSR_FP)   & 1)
 #define msr_me   ((env->msr >> MSR_ME)   & 1)
 #define msr_fe0  ((env->msr >> MSR_FE0)  & 1)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index ca80c1ed63..ee63641dd0 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -661,7 +661,7 @@  static void powerpc_excp_6xx(PowerPCCPU *cpu, int excp)
     case POWERPC_EXCP_ITLB:      /* Instruction TLB error                    */
         break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
-        if (msr_pow) {
+        if (FIELD_EX64(env->msr, MSR, POW)) {
             cpu_abort(cs, "Trying to deliver power-saving system reset "
                       "exception %d with no HV support\n", excp);
         }
@@ -853,7 +853,7 @@  static void powerpc_excp_7xx(PowerPCCPU *cpu, int excp)
     case POWERPC_EXCP_DECR:      /* Decrementer exception                    */
         break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
-        if (msr_pow) {
+        if (FIELD_EX64(env->msr, MSR, POW)) {
             cpu_abort(cs, "Trying to deliver power-saving system reset "
                       "exception %d with no HV support\n", excp);
         }
@@ -1038,7 +1038,7 @@  static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
     case POWERPC_EXCP_DECR:      /* Decrementer exception                    */
         break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
-        if (msr_pow) {
+        if (FIELD_EX64(env->msr, MSR, POW)) {
             cpu_abort(cs, "Trying to deliver power-saving system reset "
                       "exception %d with no HV support\n", excp);
         }
@@ -1248,7 +1248,7 @@  static void powerpc_excp_booke(PowerPCCPU *cpu, int excp)
         env->spr[SPR_BOOKE_ESR] = ESR_SPV;
         break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
-        if (msr_pow) {
+        if (FIELD_EX64(env->msr, MSR, POW)) {
             cpu_abort(cs, "Trying to deliver power-saving system reset "
                       "exception %d with no HV support\n", excp);
         }
@@ -1507,7 +1507,7 @@  static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
         break;
     case POWERPC_EXCP_RESET:     /* System reset exception                   */
         /* A power-saving exception sets ME, otherwise it is unchanged */
-        if (msr_pow) {
+        if (FIELD_EX64(env->msr, MSR, POW)) {
             /* indicate that we resumed from power save mode */
             msr |= 0x10000;
             new_msr |= ((target_ulong)1 << MSR_ME);
@@ -1519,7 +1519,7 @@  static void powerpc_excp_books(PowerPCCPU *cpu, int excp)
              */
             new_msr |= (target_ulong)MSR_HVB;
         } else {
-            if (msr_pow) {
+            if (FIELD_EX64(env->msr, MSR, POW)) {
                 cpu_abort(cs, "Trying to deliver power-saving system reset "
                           "exception %d with no HV support\n", excp);
             }
diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c
index 9a691d6833..940f0207a0 100644
--- a/target/ppc/helper_regs.c
+++ b/target/ppc/helper_regs.c
@@ -261,7 +261,7 @@  int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv)
     env->msr = value;
     hreg_compute_hflags(env);
 #if !defined(CONFIG_USER_ONLY)
-    if (unlikely(msr_pow == 1)) {
+    if (unlikely(FIELD_EX64(env->msr, MSR, POW))) {
         if (!env->pending_interrupts && (*env->check_pow)(env)) {
             cs->halted = 1;
             excp = EXCP_HALTED;