diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/lib/extensions/sve.h | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/include/lib/extensions/sve.h b/include/lib/extensions/sve.h index ed5678e..4458001 100644 --- a/include/lib/extensions/sve.h +++ b/include/lib/extensions/sve.h @@ -13,38 +13,66 @@ #define fill_sve_helper(num) "ldr z"#num", [%0, #"#num", MUL VL];" #define read_sve_helper(num) "str z"#num", [%0, #"#num", MUL VL];" +#define fill_sve_p_helper(num) "ldr p"#num", [%0, #"#num", MUL VL];" +#define read_sve_p_helper(num) "str p"#num", [%0, #"#num", MUL VL];" + /* * Max. vector length permitted by the architecture: * SVE: 2048 bits = 256 bytes */ -#define SVE_VECTOR_LEN_BYTES 256 -#define SVE_NUM_VECTORS 32 +#define SVE_VECTOR_LEN_BYTES (256U) +#define SVE_NUM_VECTORS (32U) + +/* Max size of one predicate register is 1/8 of Z register */ +#define SVE_P_REG_LEN_BYTES (SVE_VECTOR_LEN_BYTES / 8U) +#define SVE_NUM_P_REGS (16U) + +/* Max size of one FFR register is 1/8 of Z register */ +#define SVE_FFR_REG_LEN_BYTES (SVE_VECTOR_LEN_BYTES / 8U) +#define SVE_NUM_FFR_REGS (1U) #define SVE_VQ_ARCH_MIN (0U) -#define SVE_VQ_ARCH_MAX ((1 << ZCR_EL2_SVE_VL_WIDTH) - 1) +#define SVE_VQ_ARCH_MAX ((1U << ZCR_EL2_SVE_VL_WIDTH) - 1U) /* convert SVE VL in bytes to VQ */ -#define SVE_VL_TO_VQ(vl_bytes) (((vl_bytes) >> 4U) - 1) +#define SVE_VL_TO_VQ(vl_bytes) (((vl_bytes) >> 4U) - 1U) /* convert SVE VQ to bits */ #define SVE_VQ_TO_BITS(vq) (((vq) + 1U) << 7U) /* convert SVE VQ to bytes */ -#define SVE_VQ_TO_BYTES(vq) (SVE_VQ_TO_BITS(vq) / 8) +#define SVE_VQ_TO_BYTES(vq) (SVE_VQ_TO_BITS(vq) / 8U) /* get a random SVE VQ b/w 0 to SVE_VQ_ARCH_MAX */ -#define SVE_GET_RANDOM_VQ (rand() % (SVE_VQ_ARCH_MAX + 1)) +#define SVE_GET_RANDOM_VQ (rand() % (SVE_VQ_ARCH_MAX + 1U)) #ifndef __ASSEMBLY__ typedef uint8_t sve_z_regs_t[SVE_NUM_VECTORS * SVE_VECTOR_LEN_BYTES] __aligned(16); +typedef uint8_t sve_p_regs_t[SVE_NUM_P_REGS * SVE_P_REG_LEN_BYTES] + __aligned(16); +typedef uint8_t sve_ffr_regs_t[SVE_NUM_FFR_REGS * SVE_FFR_REG_LEN_BYTES] + __aligned(16); void sve_config_vq(uint8_t sve_vq); uint32_t sve_probe_vl(uint8_t sve_max_vq); void sve_z_regs_write(const sve_z_regs_t *z_regs); +void sve_z_regs_write_rand(sve_z_regs_t *z_regs); void sve_z_regs_read(sve_z_regs_t *z_regs); +uint64_t sve_z_regs_compare(const sve_z_regs_t *s1, const sve_z_regs_t *s2); + +void sve_p_regs_write(const sve_p_regs_t *p_regs); +void sve_p_regs_write_rand(sve_p_regs_t *p_regs); +void sve_p_regs_read(sve_p_regs_t *p_regs); +uint64_t sve_p_regs_compare(const sve_p_regs_t *s1, const sve_p_regs_t *s2); + +void sve_ffr_regs_write(const sve_ffr_regs_t *ffr_regs); +void sve_ffr_regs_write_rand(sve_ffr_regs_t *ffr_regs); +void sve_ffr_regs_read(sve_ffr_regs_t *ffr_regs); +uint64_t sve_ffr_regs_compare(const sve_ffr_regs_t *s1, + const sve_ffr_regs_t *s2); /* Assembly routines */ bool sve_subtract_arrays_interleaved(int *dst_array, int *src_array1, |