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target/arm: Export aarch64_sve_zcr_get_valid_len

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Rename from sve_zcr_get_valid_len and make accessible
from outside of helper.c.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210723203344.968563-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-07-23 10:33:43 -10:00 committed by Peter Maydell
parent dc0bc8e785
commit ce440581c1
2 changed files with 12 additions and 2 deletions
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4
target/arm/helper.c
View File

@ -6457,7 +6457,7 @@ int sve_exception_el(CPUARMState *env, int el)
return 0;
}
static uint32_t sve_zcr_get_valid_len(ARMCPU *cpu, uint32_t start_len)
uint32_t aarch64_sve_zcr_get_valid_len(ARMCPU *cpu, uint32_t start_len)
{
uint32_t end_len;
@ -6489,7 +6489,7 @@ uint32_t sve_zcr_len_for_el(CPUARMState *env, int el)
zcr_len = MIN(zcr_len, 0xf & (uint32_t)env->vfp.zcr_el[3]);
}
return sve_zcr_get_valid_len(cpu, zcr_len);
return aarch64_sve_zcr_get_valid_len(cpu, zcr_len);
}
static void zcr_write(CPUARMState *env, const ARMCPRegInfo *ri,

10
target/arm/internals.h
View File

@ -177,6 +177,16 @@ void arm_translate_init(void);
void arm_cpu_synchronize_from_tb(CPUState *cs, const TranslationBlock *tb);
#endif /* CONFIG_TCG */
/**
* aarch64_sve_zcr_get_valid_len:
* @cpu: cpu context
* @start_len: maximum len to consider
*
* Return the maximum supported sve vector length <= @start_len.
* Note that both @start_len and the return value are in units
* of ZCR_ELx.LEN, so the vector bit length is (x + 1) * 128.
*/
uint32_t aarch64_sve_zcr_get_valid_len(ARMCPU *cpu, uint32_t start_len);
enum arm_fprounding {
FPROUNDING_TIEEVEN,