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authorAnup Patel <apatel@ventanamicro.com>2024-03-11 12:39:00 +0530
committerAnup Patel <anup@brainfault.org>2024-03-19 11:31:20 +0530
commit60ffc154c84dfe93b23bd02566310deb153a4360 (patch)
treebfcfdc93ba5f659f75b909a6771aef716873b7f9 /firmware
parentebb697ad8cdd5c281a94e7801fc0c1d99d6a891e (diff)
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include: sbi: Add trap_context pointer in struct sbi_scratch
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>
Diffstat (limited to 'firmware')
-rw-r--r--firmware/fw_base.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/firmware/fw_base.S b/firmware/fw_base.S
index c404d8b..539fd1d 100644
--- a/firmware/fw_base.S
+++ b/firmware/fw_base.S
@@ -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