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include: Add OPENSBI_EXTERNAL_SBI_TYPES in sbi_types.h

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Add OPENSBI_EXTERNAL_SBI_TYPES macro to allow external definitions of data
types and common macros. Also move some common definitions from sbi_bits.h to sbi_types.h.

Signed-off-by: Abner Chang <abner.chang@hpe.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Abner Chang
2020-01-07 15:08:26 +08:00
committed by Anup Patel
parent 049ad0b387
commit e340bbf7b5
2 changed files with 28 additions and 13 deletions
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13
include/sbi/sbi_bits.h
View File

@@ -10,23 +10,10 @@
#ifndef __SBI_BITS_H__
#define __SBI_BITS_H__
#define likely(x) __builtin_expect((x), 1)
#define unlikely(x) __builtin_expect((x), 0)
#define ROUNDUP(a, b) ((((a)-1) / (b) + 1) * (b))
#define ROUNDDOWN(a, b) ((a) / (b) * (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define CLAMP(a, lo, hi) MIN(MAX(a, lo), hi)
#define EXTRACT_FIELD(val, which) (((val) & (which)) / ((which) & ~((which)-1)))
#define INSERT_FIELD(val, which, fieldval) \
(((val) & ~(which)) | ((fieldval) * ((which) & ~((which)-1))))
#define STR(x) XSTR(x)
#define XSTR(x) #x
#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
#endif

28
include/sbi/sbi_types.h
View File

@@ -10,6 +10,8 @@
#ifndef __SBI_TYPES_H__
#define __SBI_TYPES_H__
#ifndef OPENSBI_EXTERNAL_SBI_TYPES
/* clang-format off */
typedef char s8;
@@ -60,6 +62,32 @@ typedef unsigned long physical_size_t;
#define __packed __attribute__((packed))
#define __noreturn __attribute__((noreturn))
#define likely(x) __builtin_expect((x), 1)
#define unlikely(x) __builtin_expect((x), 0)
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define CLAMP(a, lo, hi) MIN(MAX(a, lo), hi)
#define STR(x) XSTR(x)
#define XSTR(x) #x
#define ROUNDUP(a, b) ((((a)-1) / (b) + 1) * (b))
#define ROUNDDOWN(a, b) ((a) / (b) * (b))
/* clang-format on */
#else
/* OPENSBI_EXTERNAL_SBI_TYPES could be defined in CFLAGS for using the
* external definitions of data types and common macros.
* OPENSBI_EXTERNAL_SBI_TYPES is the file name to external header file,
* the external build system should address the additional include
* directory ccordingly.
*/
#define XSTR(x) #x
#define STR(x) XSTR(x)
#include STR(OPENSBI_EXTERNAL_SBI_TYPES)
#endif
#endif