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target/hppa: add TLB protection id check

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Signed-off-by: Sven Schnelle <svens@stackframe.org>
Message-Id: <20190311191602.25796-10-svens@stackframe.org>
[rth: Add required tlb flushing when prot id registers change.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Sven Schnelle 2019-03-11 20:16:00 +01:00 • committed by Richard Henderson
parent 38188fd216
commit d5de20bd84
6 changed files with 70 additions and 9 deletions
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10
target/hppa/helper.c
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@ -21,6 +21,7 @@
#include "cpu.h"
#include "fpu/softfloat.h"
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
target_ureg cpu_hppa_get_psw(CPUHPPAState *env)
@ -49,6 +50,7 @@ target_ureg cpu_hppa_get_psw(CPUHPPAState *env)
void cpu_hppa_put_psw(CPUHPPAState *env, target_ureg psw)
{
target_ureg old_psw = env->psw;
target_ureg cb = 0;
env->psw = psw & ~(PSW_N | PSW_V | PSW_CB);
@ -64,6 +66,14 @@ void cpu_hppa_put_psw(CPUHPPAState *env, target_ureg psw)
cb |= ((psw >> 9) & 1) << 8;
cb |= ((psw >> 8) & 1) << 4;
env->psw_cb = cb;
/* If PSW_P changes, it affects how we translate addresses. */
if ((psw ^ old_psw) & PSW_P) {
#ifndef CONFIG_USER_ONLY
CPUState *src = CPU(hppa_env_get_cpu(env));
tlb_flush_by_mmuidx(src, 0xf);
#endif
}
}
void hppa_cpu_dump_state(CPUState *cs, FILE *f,