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lib: Print interrupt and exception delegation in boot prints

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We print MIDELEG and MEDELEG CSRs as part of boot prints so that
boot log shows the interrupts and exceptions delegated to S-mode.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-02-18 11:53:52 +05:30
committed by Anup Patel
parent bc874e34ce
commit 24c3082ea4
3 changed files with 15 additions and 2 deletions
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15
lib/sbi/sbi_hart.c
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@@ -107,6 +107,17 @@ static int delegate_traps(struct sbi_scratch *scratch, u32 hartid)
return 0;
}
void sbi_hart_delegation_dump(struct sbi_scratch *scratch)
{
#if __riscv_xlen == 32
sbi_printf("MIDELEG : 0x%08lx\n", csr_read(CSR_MIDELEG));
sbi_printf("MEDELEG : 0x%08lx\n", csr_read(CSR_MEDELEG));
#else
sbi_printf("MIDELEG : 0x%016lx\n", csr_read(CSR_MIDELEG));
sbi_printf("MEDELEG : 0x%016lx\n", csr_read(CSR_MEDELEG));
#endif
}
unsigned long log2roundup(unsigned long x)
{
unsigned long ret = 0;
@@ -138,9 +149,9 @@ void sbi_hart_pmp_dump(struct sbi_scratch *scratch)
else
size = 0;
#if __riscv_xlen == 32
sbi_printf("PMP%d: 0x%08lx-0x%08lx (A",
sbi_printf("PMP%d : 0x%08lx-0x%08lx (A",
#else
sbi_printf("PMP%d: 0x%016lx-0x%016lx (A",
sbi_printf("PMP%d : 0x%016lx-0x%016lx (A",
#endif
i, addr, addr + size - 1);
if (prot & PMP_L)