From fb86b2440de0ec10fe0272eb19d262ae7a01adb8 Mon Sep 17 00:00:00 2001 From: Ulf Winkelvos Date: Thu, 10 Jul 2014 02:12:41 +0200 Subject: [PATCH] x86/efi: Add better error logging to EFI boot stub Hopefully this will enable us to better debug: https://bugzilla.kernel.org/show_bug.cgi?id=68761 Signed-off-by: Ulf Winkelvos Signed-off-by: Matt Fleming --- arch/x86/boot/compressed/eboot.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index 3b5c66c8f749..f277184e2ac1 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -1376,7 +1376,10 @@ struct boot_params *efi_main(struct efi_config *c, setup_graphics(boot_params); - setup_efi_pci(boot_params); + status = setup_efi_pci(boot_params); + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "setup_efi_pci() failed!\n"); + } status = efi_call_early(allocate_pool, EFI_LOADER_DATA, sizeof(*gdt), (void **)&gdt); @@ -1403,16 +1406,20 @@ struct boot_params *efi_main(struct efi_config *c, hdr->init_size, hdr->init_size, hdr->pref_address, hdr->kernel_alignment); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "efi_relocate_kernel() failed!\n"); goto fail; + } hdr->pref_address = hdr->code32_start; hdr->code32_start = bzimage_addr; } status = exit_boot(boot_params, handle, is64); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS) { + efi_printk(sys_table, "exit_boot() failed!\n"); goto fail; + } memset((char *)gdt->address, 0x0, gdt->size); desc = (struct desc_struct *)gdt->address; @@ -1472,5 +1479,6 @@ struct boot_params *efi_main(struct efi_config *c, return boot_params; fail: + efi_printk(sys_table, "efi_main() failed!\n"); return NULL; } -- GitLab