target/arm: Export aarch64_sve_zcr_get_valid_len
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>
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 11a7201..cd2ea8a 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -177,6 +177,16 @@
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,
