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target-arm: Add and use symbolic names for register banks

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Add BANK_<cpumode> #defines to index banked registers.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Soren Brinkmann 2015-11-03 13:49:41 +00:00 • committed by Peter Maydell
parent 130d0bc659
commit 99a99c1fc8
4 changed files with 56 additions and 39 deletions
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8
target-arm/op_helper.c
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@ -392,9 +392,9 @@ uint32_t HELPER(get_user_reg)(CPUARMState *env, uint32_t regno)
uint32_t val;
if (regno == 13) {
val = env->banked_r13[0];
val = env->banked_r13[BANK_USRSYS];
} else if (regno == 14) {
val = env->banked_r14[0];
val = env->banked_r14[BANK_USRSYS];
} else if (regno >= 8
&& (env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_FIQ) {
val = env->usr_regs[regno - 8];
@ -407,9 +407,9 @@ uint32_t HELPER(get_user_reg)(CPUARMState *env, uint32_t regno)
void HELPER(set_user_reg)(CPUARMState *env, uint32_t regno, uint32_t val)
{
if (regno == 13) {
env->banked_r13[0] = val;
env->banked_r13[BANK_USRSYS] = val;
} else if (regno == 14) {
env->banked_r14[0] = val;
env->banked_r14[BANK_USRSYS] = val;
} else if (regno >= 8
&& (env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_FIQ) {
env->usr_regs[regno - 8] = val;