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 /firmware | |
| 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 'firmware')
| -rw-r--r-- | firmware/fw_base.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/firmware/fw_base.S b/firmware/fw_base.S index 3f622b3..e04b683 100644 --- a/firmware/fw_base.S +++ b/firmware/fw_base.S @@ -298,6 +298,12 @@ _scratch_init: sub a5, t3, a4 REG_S a4, SBI_SCRATCH_FW_START_OFFSET(tp) REG_S a5, SBI_SCRATCH_FW_SIZE_OFFSET(tp) + + /* Store R/W section's offset in scratch space */ + lla a4, __fw_rw_offset + REG_L a5, 0(a4) + REG_S a5, SBI_SCRATCH_FW_RW_OFFSET(tp) + /* Store next arg1 in scratch space */ MOV_3R s0, a0, s1, a1, s2, a2 call fw_next_arg1 @@ -519,6 +525,8 @@ _link_start: RISCV_PTR FW_TEXT_START _link_end: RISCV_PTR _fw_reloc_end +__fw_rw_offset: + RISCV_PTR _fw_rw_offset .section .entry, "ax", %progbits .align 3 |