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riscv: reset after crash

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If an exception occurs on ARM or x86, we call panic() which will try to
reset the board. Do the same on RISC-V.

To avoid -Werror=format-zero-length move a '\n' to the string passed to
panic. We don't need a message here as depending on CONFIG_PANIC_HANG we
will either see

    ### ERROR ### Please RESET the board ###

or

    resetting ...

as next message.

Reviewed-by: Rick Chen <rick@andestech.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2020-12-02 14:36:26 +01:00
committed by Andes
parent fb33eaa3a2
commit c353f2b845
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/riscv/lib/interrupts.c
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@@ -27,7 +27,7 @@ static void show_efi_loaded_images(uintptr_t epc)
static void show_regs(struct pt_regs *regs) static void show_regs(struct pt_regs *regs)
{ {
#ifdef CONFIG_SHOW_REGS #ifdef CONFIG_SHOW_REGS
printf("SP: " REG_FMT " GP: " REG_FMT " TP: " REG_FMT "\n", printf("\nSP: " REG_FMT " GP: " REG_FMT " TP: " REG_FMT "\n",
regs->sp, regs->gp, regs->tp); regs->sp, regs->gp, regs->tp);
printf("T0: " REG_FMT " T1: " REG_FMT " T2: " REG_FMT "\n", printf("T0: " REG_FMT " T1: " REG_FMT " T2: " REG_FMT "\n",
regs->t0, regs->t1, regs->t2); regs->t0, regs->t1, regs->t2);
@@ -45,7 +45,7 @@ static void show_regs(struct pt_regs *regs)
regs->s7, regs->s8, regs->s9); regs->s7, regs->s8, regs->s9);
printf("S10: " REG_FMT " S11: " REG_FMT " T3: " REG_FMT "\n", printf("S10: " REG_FMT " S11: " REG_FMT " T3: " REG_FMT "\n",
regs->s10, regs->s11, regs->t3); regs->s10, regs->s11, regs->t3);
printf("T4: " REG_FMT " T5: " REG_FMT " T6: " REG_FMT "\n\n", printf("T4: " REG_FMT " T5: " REG_FMT " T6: " REG_FMT "\n",
regs->t4, regs->t5, regs->t6); regs->t4, regs->t5, regs->t6);
#endif #endif
} }
@@ -80,12 +80,12 @@ static void _exit_trap(ulong code, ulong epc, ulong tval, struct pt_regs *regs)
epc, regs->ra, tval); epc, regs->ra, tval);
/* Print relocation adjustments, but only if gd is initialized */ /* Print relocation adjustments, but only if gd is initialized */
if (gd && gd->flags & GD_FLG_RELOC) if (gd && gd->flags & GD_FLG_RELOC)
printf("EPC: " REG_FMT " RA: " REG_FMT " reloc adjusted\n\n", printf("EPC: " REG_FMT " RA: " REG_FMT " reloc adjusted\n",
epc - gd->reloc_off, regs->ra - gd->reloc_off); epc - gd->reloc_off, regs->ra - gd->reloc_off);
show_regs(regs); show_regs(regs);
show_efi_loaded_images(epc); show_efi_loaded_images(epc);
hang(); panic("\n");
} }
int interrupt_init(void) int interrupt_init(void)