riscv: allow to enable SHOW_REGS in main U-Boot only
To minimize SPL size it is reasonable to disable SHOW_REGS. For main U-Boot
the size restrictions are much more relaxed.
* Provide separate Kconfig symbols for SPL and main U-Boot.
* Add a help text.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 4e228a6..fd1f5f8 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -439,6 +439,18 @@
config SHOW_REGS
bool "Show registers on unhandled exception"
+ help
+ By default only the program counter and the return address register
+ are shown in crash dumps. Enable this symbol to show all registers in
+ main U-Boot.
+
+config SPL_SHOW_REGS
+ bool "In SPL show registers on unhandled exception"
+ depends on SPL
+ help
+ By default only the program counter and the return address register
+ are shown in crash dumps. Enable this symbol to show all registers in
+ SPL.
config RISCV_PRIV_1_9
bool "Use version 1.9 of the RISC-V priviledged specification"
diff --git a/arch/riscv/lib/interrupts.c b/arch/riscv/lib/interrupts.c
index f9a1428..714cc92 100644
--- a/arch/riscv/lib/interrupts.c
+++ b/arch/riscv/lib/interrupts.c
@@ -34,9 +34,8 @@
efi_print_image_infos((void *)epc);
}
-static void show_regs(struct pt_regs *regs)
+static void __maybe_unused show_regs(struct pt_regs *regs)
{
-#ifdef CONFIG_SHOW_REGS
printf("\nSP: " REG_FMT " GP: " REG_FMT " TP: " REG_FMT "\n",
regs->sp, regs->gp, regs->tp);
printf("T0: " REG_FMT " T1: " REG_FMT " T2: " REG_FMT "\n",
@@ -57,7 +56,6 @@
regs->s10, regs->s11, regs->t3);
printf("T4: " REG_FMT " T5: " REG_FMT " T6: " REG_FMT "\n",
regs->t4, regs->t5, regs->t6);
-#endif
}
static void __maybe_unused show_backtrace(struct pt_regs *regs)
@@ -157,7 +155,8 @@
printf("EPC: " REG_FMT " RA: " REG_FMT " reloc adjusted\n",
epc - gd->reloc_off, regs->ra - gd->reloc_off);
- show_regs(regs);
+ if (CONFIG_IS_ENABLED(SHOW_REGS))
+ show_regs(regs);
if (CONFIG_IS_ENABLED(FRAMEPOINTER))
show_backtrace(regs);
show_code(epc);