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fix: use sscratch to judge trap source

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Paul Pan 2024-05-07 20:39:32 +08:00
parent a2dce7ad48
commit 248a985bab
1 changed files with 2 additions and 3 deletions
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5
kernel/src/arch/riscv/asm/trap_common.S
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@ -59,9 +59,8 @@ __trap_from_user:
SD_SP t1, 31 SD_SP t1, 31
SD_SP t2, 32 SD_SP t2, 32
# find out whether we are from kernel (sstatus.SPP) # find out whether we are from kernel (SSCRATCH)
andi t2, t2, 1 << 8 beqz t0, __trap_from_user_next
beqz t2, __trap_from_user_next
__trap_from_kernel_next: __trap_from_kernel_next:
# goto kernel_trap_handler # goto kernel_trap_handler