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authorRichard Henderson <richard.henderson@linaro.org>2019-03-01 12:04:52 -0800
committerPeter Maydell <peter.maydell@linaro.org>2019-03-05 15:55:07 +0000
commit64e40755cd41fbe8cd266cf387e42ddc57a449ef (patch)
treec888f0e401a21a9f77d868be3ea2d6e4979a0854
parent9d090d17234058f55c3c439d285db78c94d7d4de (diff)
target/arm: Split out arm_sctlr
Minimize the number of places that will need updating when the virtual host extensions are added. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190301200501.16533-2-richard.henderson@linaro.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/cpu.h24
-rw-r--r--target/arm/helper.c8
2 files changed, 17 insertions, 15 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 36cd365efa..67b06bfad0 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3042,11 +3042,20 @@ static inline bool arm_sctlr_b(CPUARMState *env)
(env->cp15.sctlr_el[1] & SCTLR_B) != 0;
}
+static inline uint64_t arm_sctlr(CPUARMState *env, int el)
+{
+ if (el == 0) {
+ /* FIXME: ARMv8.1-VHE S2 translation regime. */
+ return env->cp15.sctlr_el[1];
+ } else {
+ return env->cp15.sctlr_el[el];
+ }
+}
+
+
/* Return true if the processor is in big-endian mode. */
static inline bool arm_cpu_data_is_big_endian(CPUARMState *env)
{
- int cur_el;
-
/* In 32bit endianness is determined by looking at CPSR's E bit */
if (!is_a64(env)) {
return
@@ -3065,15 +3074,12 @@ static inline bool arm_cpu_data_is_big_endian(CPUARMState *env)
arm_sctlr_b(env) ||
#endif
((env->uncached_cpsr & CPSR_E) ? 1 : 0);
- }
-
- cur_el = arm_current_el(env);
+ } else {
+ int cur_el = arm_current_el(env);
+ uint64_t sctlr = arm_sctlr(env, cur_el);
- if (cur_el == 0) {
- return (env->cp15.sctlr_el[1] & SCTLR_E0E) != 0;
+ return (sctlr & (cur_el ? SCTLR_EE : SCTLR_E0E)) != 0;
}
-
- return (env->cp15.sctlr_el[cur_el] & SCTLR_EE) != 0;
}
#include "exec/cpu-all.h"
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 1fa282a7fc..49ff79a146 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -12854,12 +12854,8 @@ void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc,
flags = FIELD_DP32(flags, TBFLAG_A64, ZCR_LEN, zcr_len);
}
- if (current_el == 0) {
- /* FIXME: ARMv8.1-VHE S2 translation regime. */
- sctlr = env->cp15.sctlr_el[1];
- } else {
- sctlr = env->cp15.sctlr_el[current_el];
- }
+ sctlr = arm_sctlr(env, current_el);
+
if (cpu_isar_feature(aa64_pauth, cpu)) {
/*
* In order to save space in flags, we record only whether