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target-microblaze: Remove USE_MMU PVR checks 

We already have a CPU property to control if a core has
an MMU or not. Remove USE_MMU PVR checks in favor of
looking at the property.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This commit is contained in:
Edgar E. Iglesias 2018-04-13 09:46:28 +02:00
parent cfeea807e5
commit a17f7c05f0
1 changed files with 1 additions and 11 deletions
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12
target/microblaze/helper.c
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@ -54,21 +54,11 @@ int mb_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs); MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
CPUMBState *env = &cpu->env; CPUMBState *env = &cpu->env;
unsigned int hit; unsigned int hit;
unsigned int mmu_available;
int r = 1; int r = 1;
int prot; int prot;
mmu_available = 0;
if (cpu->cfg.use_mmu) {
mmu_available = 1;
if ((cpu->cfg.pvr == C_PVR_FULL) &&
(env->pvr.regs[11] & PVR11_USE_MMU) != PVR11_USE_MMU) {
mmu_available = 0;
}
}
/* Translate if the MMU is available and enabled. */ /* Translate if the MMU is available and enabled. */
if (mmu_available && (env->sregs[SR_MSR] & MSR_VM)) { if (cpu->cfg.use_mmu && (env->sregs[SR_MSR] & MSR_VM)) {
uint32_t vaddr, paddr; uint32_t vaddr, paddr;
struct microblaze_mmu_lookup lu; struct microblaze_mmu_lookup lu;