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target/hppa: 64-bit CPUs start with space register hashing enabled

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Turn on space register hashing for 64-bit CPUs when reset.

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Helge Deller 2025-01-28 20:08:17 +01:00
parent f7aa7fa97c
commit 75f73d5af1
1 changed files with 5 additions and 0 deletions
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target/hppa/cpu.c
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@ -28,6 +28,7 @@
#include "exec/translation-block.h" #include "exec/translation-block.h"
#include "fpu/softfloat.h" #include "fpu/softfloat.h"
#include "tcg/tcg.h" #include "tcg/tcg.h"
#include "hw/hppa/hppa_hardware.h"
static void hppa_cpu_set_pc(CPUState *cs, vaddr value) static void hppa_cpu_set_pc(CPUState *cs, vaddr value)
{ {
@ -217,6 +218,10 @@ static void hppa_cpu_reset_hold(Object *obj, ResetType type)
memset(env, 0, offsetof(CPUHPPAState, end_reset_fields)); memset(env, 0, offsetof(CPUHPPAState, end_reset_fields));
cpu_hppa_loaded_fr0(env); cpu_hppa_loaded_fr0(env);
/* 64-bit machines start with space-register hashing enabled in %dr2 */
env->dr[2] = hppa_is_pa20(env) ? HPPA64_DIAG_SPHASH_ENABLE : 0;
cpu_hppa_put_psw(env, PSW_M); cpu_hppa_put_psw(env, PSW_M);
} }