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include: sbi: Store the hart index in struct sbi_scratch

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This is a more efficient way to get the index of the current hart than
calling a function to loop through the hartindex -> hartid lookup table.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-08-30 08:49:06 -07:00
committed by Anup Patel
parent 4ac1818197
commit 9d7a983060
2 changed files with 11 additions and 1 deletions
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2
firmware/fw_base.S
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@@ -218,6 +218,8 @@ _scratch_init:
#endif
REG_S a0, SBI_SCRATCH_OPTIONS_OFFSET(tp)
MOV_3R a0, s0, a1, s1, a2, s2
/* Store hart index in scratch space */
REG_S t1, SBI_SCRATCH_HARTINDEX_OFFSET(tp)
/* Move to next scratch space */
add t1, t1, t2
blt t1, s7, _scratch_init