From 3ee3122c0d2614297890ded2017655fc2a139af6 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Thu, 27 Jul 2017 01:56:13 +0200 Subject: [PATCH] hw/mips: load_elf_strerror to report kernel loading failure MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Emulated MIPS boards bail out with a simple "could not load kernel" when a kernel could not be load, without specifying the underlying reason. Fix that by calling load_elf_strerror. At the same time use error_report to report the error instead of fprintf. Signed-off-by: Aurelien Jarno Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Signed-off-by: Yongbok Kim --- hw/mips/mips_fulong2e.c | 15 +++++++++------ hw/mips/mips_malta.c | 14 ++++++++------ hw/mips/mips_mipssim.c | 5 +++-- hw/mips/mips_r4k.c | 6 ++++-- 4 files changed, 24 insertions(+), 16 deletions(-) diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c index 3f3cb32651..3532399a13 100644 --- a/hw/mips/mips_fulong2e.c +++ b/hw/mips/mips_fulong2e.c @@ -110,16 +110,19 @@ static int64_t load_kernel (CPUMIPSState *env) { int64_t kernel_entry, kernel_low, kernel_high; int index = 0; - long initrd_size; + long kernel_size, initrd_size; ram_addr_t initrd_offset; uint32_t *prom_buf; long prom_size; - if (load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, NULL, - (uint64_t *)&kernel_entry, (uint64_t *)&kernel_low, - (uint64_t *)&kernel_high, 0, EM_MIPS, 1, 0) < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - loaderparams.kernel_filename); + kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, + NULL, (uint64_t *)&kernel_entry, + (uint64_t *)&kernel_low, (uint64_t *)&kernel_high, + 0, EM_MIPS, 1, 0); + if (kernel_size < 0) { + error_report("qemu: could not load kernel '%s': %s", + loaderparams.kernel_filename, + load_elf_strerror(kernel_size)); exit(1); } diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c index 3487d16f61..8ecd544baa 100644 --- a/hw/mips/mips_malta.c +++ b/hw/mips/mips_malta.c @@ -794,7 +794,7 @@ static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t* prom_buf, int index, static int64_t load_kernel (void) { int64_t kernel_entry, kernel_high; - long initrd_size; + long kernel_size, initrd_size; ram_addr_t initrd_offset; int big_endian; uint32_t *prom_buf; @@ -808,11 +808,13 @@ static int64_t load_kernel (void) big_endian = 0; #endif - if (load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, NULL, - (uint64_t *)&kernel_entry, NULL, (uint64_t *)&kernel_high, - big_endian, EM_MIPS, 1, 0) < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - loaderparams.kernel_filename); + kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, + NULL, (uint64_t *)&kernel_entry, NULL, + (uint64_t *)&kernel_high, big_endian, EM_MIPS, 1, 0); + if (kernel_size < 0) { + error_report("qemu: could not load kernel '%s': %s", + loaderparams.kernel_filename, + load_elf_strerror(kernel_size)); exit(1); } diff --git a/hw/mips/mips_mipssim.c b/hw/mips/mips_mipssim.c index 6990b1b0dd..07fc4c2300 100644 --- a/hw/mips/mips_mipssim.c +++ b/hw/mips/mips_mipssim.c @@ -78,8 +78,9 @@ static int64_t load_kernel(void) if ((entry & ~0x7fffffffULL) == 0x80000000) entry = (int32_t)entry; } else { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - loaderparams.kernel_filename); + error_report("qemu: could not load kernel '%s': %s", + loaderparams.kernel_filename, + load_elf_strerror(kernel_size)); exit(1); } diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c index 690874be2b..2f5ced7409 100644 --- a/hw/mips/mips_r4k.c +++ b/hw/mips/mips_r4k.c @@ -31,6 +31,7 @@ #include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "sysemu/qtest.h" +#include "qemu/error-report.h" #define MAX_IDE_BUS 2 @@ -96,8 +97,9 @@ static int64_t load_kernel(void) if ((entry & ~0x7fffffffULL) == 0x80000000) entry = (int32_t)entry; } else { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - loaderparams.kernel_filename); + error_report("qemu: could not load kernel '%s': %s", + loaderparams.kernel_filename, + load_elf_strerror(kernel_size)); exit(1); }