diff options
| author | Himanshu Chauhan <hchauhan@ventanamicro.com> | 2023-01-19 18:18:24 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-01-23 07:36:14 +0300 |
| commit | c10e3fe5f9a14de3f001a6b007b7d9f117858dff (patch) | |
| tree | cea7c7990e4c2a74aa0589a9baaf357e37905433 /include | |
| parent | 2f40a99c9e0876ac543e918191b2e06ab8a0fdc5 (diff) | |
| download | opensbi-c10e3fe5f9a14de3f001a6b007b7d9f117858dff.tar.xz | |
firmware: Add RW section offset in scratch
Add the RW section offset, provided by _fw_rw_offset symbol,
to the scratch structure. This will be used to program
separate pmp entry for RW section.
Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_scratch.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/include/sbi/sbi_scratch.h b/include/sbi/sbi_scratch.h index 40a3bc9..2966188 100644 --- a/include/sbi/sbi_scratch.h +++ b/include/sbi/sbi_scratch.h @@ -18,26 +18,28 @@ #define SBI_SCRATCH_FW_START_OFFSET (0 * __SIZEOF_POINTER__) /** Offset of fw_size member in sbi_scratch */ #define SBI_SCRATCH_FW_SIZE_OFFSET (1 * __SIZEOF_POINTER__) +/** Offset (in sbi_scratch) of the R/W Offset */ +#define SBI_SCRATCH_FW_RW_OFFSET (2 * __SIZEOF_POINTER__) /** Offset of next_arg1 member in sbi_scratch */ -#define SBI_SCRATCH_NEXT_ARG1_OFFSET (2 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_NEXT_ARG1_OFFSET (3 * __SIZEOF_POINTER__) /** Offset of next_addr member in sbi_scratch */ -#define SBI_SCRATCH_NEXT_ADDR_OFFSET (3 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_NEXT_ADDR_OFFSET (4 * __SIZEOF_POINTER__) /** Offset of next_mode member in sbi_scratch */ -#define SBI_SCRATCH_NEXT_MODE_OFFSET (4 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_NEXT_MODE_OFFSET (5 * __SIZEOF_POINTER__) /** Offset of warmboot_addr member in sbi_scratch */ -#define SBI_SCRATCH_WARMBOOT_ADDR_OFFSET (5 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_WARMBOOT_ADDR_OFFSET (6 * __SIZEOF_POINTER__) /** Offset of platform_addr member in sbi_scratch */ -#define SBI_SCRATCH_PLATFORM_ADDR_OFFSET (6 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_PLATFORM_ADDR_OFFSET (7 * __SIZEOF_POINTER__) /** Offset of hartid_to_scratch member in sbi_scratch */ -#define SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET (7 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET (8 * __SIZEOF_POINTER__) /** Offset of trap_exit member in sbi_scratch */ -#define SBI_SCRATCH_TRAP_EXIT_OFFSET (8 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_TRAP_EXIT_OFFSET (9 * __SIZEOF_POINTER__) /** Offset of tmp0 member in sbi_scratch */ -#define SBI_SCRATCH_TMP0_OFFSET (9 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_TMP0_OFFSET (10 * __SIZEOF_POINTER__) /** Offset of options member in sbi_scratch */ -#define SBI_SCRATCH_OPTIONS_OFFSET (10 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_OPTIONS_OFFSET (11 * __SIZEOF_POINTER__) /** Offset of extra space in sbi_scratch */ -#define SBI_SCRATCH_EXTRA_SPACE_OFFSET (11 * __SIZEOF_POINTER__) +#define SBI_SCRATCH_EXTRA_SPACE_OFFSET (12 * __SIZEOF_POINTER__) /** Maximum size of sbi_scratch (4KB) */ #define SBI_SCRATCH_SIZE (0x1000) @@ -53,6 +55,8 @@ struct sbi_scratch { unsigned long fw_start; /** Size (in bytes) of firmware linked to OpenSBI library */ unsigned long fw_size; + /** Offset (in bytes) of the R/W section */ + unsigned long fw_rw_offset; /** Arg1 (or 'a1' register) of next booting stage for this HART */ unsigned long next_arg1; /** Address of next booting stage for this HART */ |