Firmware/opensbi
8
0
Fork 0
forked from Mirrors/opensbi
Code Pull Requests Activity

include: sbi: Add trap_context pointer in struct sbi_scratch

Browse Source 
To track nested traps, the struct sbi_scratch needs a pointer the
current trap context so add trap_context pointer in struct sbi_context.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
This commit is contained in:
Anup Patel
2024-03-11 12:39:00 +05:30
committed by Anup Patel
parent ebb697ad8c
commit 60ffc154c8
2 changed files with 14 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
firmware/fw_base.S
View File

@@ -298,7 +298,8 @@ _scratch_init:
/* Store hartid-to-scratch function address in scratch space */
lla a4, _hartid_to_scratch
REG_S a4, SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET(tp)
/* Clear tmp0 in scratch space */
/* Clear trap_context and tmp0 in scratch space */
REG_S zero, SBI_SCRATCH_TRAP_CONTEXT_OFFSET(tp)
REG_S zero, SBI_SCRATCH_TMP0_OFFSET(tp)
/* Store firmware options in scratch space */
MOV_3R s0, a0, s1, a1, s2, a2