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lib: Fix delegate_traps() for Linux boot

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commit d403c70fb1 breaks Linux
booting because of fewer exceptions delegated to S-mode. This
patch fixes Linux booting by having all required exceptions
delegated to S-mode.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Anup Patel 2018-12-21 14:06:17 +05:30 • committed by Anup Patel
parent e1e8f18130
commit 1bfa244505
1 changed files with 3 additions and 0 deletions
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3
lib/sbi_hart.c
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@ -95,7 +95,10 @@ static int delegate_traps(u32 hartid)
/* Send M-mode interrupts and most exceptions to S-mode */
interrupts = MIP_SSIP | MIP_STIP | MIP_SEIP;
exceptions = (1U << CAUSE_MISALIGNED_FETCH) |
(1U << CAUSE_FETCH_PAGE_FAULT) |
(1U << CAUSE_BREAKPOINT) |
(1U << CAUSE_LOAD_PAGE_FAULT) |
(1U << CAUSE_STORE_PAGE_FAULT) |
(1U << CAUSE_USER_ECALL);
}