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include: types: Add typedefs for endianness

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If any variable/memory-location follows certain
endianness then its important to annotate it properly
so that proper conversion can be done before read/write
from that variable/memory.

Also, use these new typedefs in libfdt_env.h for deriving
its own custom fdtX_t types

Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Rahul Pathak
2023-02-02 10:14:27 +05:30
committed by Anup Patel
parent 680bea02bf
commit b224ddb41f
2 changed files with 10 additions and 3 deletions
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7
include/sbi/sbi_types.h
View File

@@ -54,6 +54,13 @@ typedef unsigned long virtual_size_t;
typedef unsigned long physical_addr_t; typedef unsigned long physical_addr_t;
typedef unsigned long physical_size_t; typedef unsigned long physical_size_t;
typedef uint16_t le16_t;
typedef uint16_t be16_t;
typedef uint32_t le32_t;
typedef uint32_t be32_t;
typedef uint64_t le64_t;
typedef uint64_t be64_t;
#define true 1 #define true 1
#define false 0 #define false 0

6
lib/utils/libfdt/libfdt_env.h
View File

@@ -38,9 +38,9 @@
#define strlen sbi_strlen #define strlen sbi_strlen
#define strnlen sbi_strnlen #define strnlen sbi_strnlen
typedef uint16_t FDT_BITWISE fdt16_t; typedef be16_t FDT_BITWISE fdt16_t;
typedef uint32_t FDT_BITWISE fdt32_t; typedef be32_t FDT_BITWISE fdt32_t;
typedef uint64_t FDT_BITWISE fdt64_t; typedef be64_t FDT_BITWISE fdt64_t;
static inline uint16_t fdt16_to_cpu(fdt16_t x) static inline uint16_t fdt16_to_cpu(fdt16_t x)
{ {