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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2021-10-02 19:45:38 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-10-18 00:41:36 +0200 |
| commit | 10e3f30ff730624094a2fe6a81aaa72064853036 (patch) | |
| tree | f35cf0cbe57fed4c530b68c37af7391ab816b4fe /hw/mips | |
| parent | e07f3e265b90d078d69c1f305563f04f1371b7aa (diff) | |
| download | qemu-10e3f30ff730624094a2fe6a81aaa72064853036.zip qemu-10e3f30ff730624094a2fe6a81aaa72064853036.tar.gz qemu-10e3f30ff730624094a2fe6a81aaa72064853036.tar.bz2 | |
hw/mips/boston: Allow loading elf kernel and dtb
ELF kernel allows us debugging much easier with DWARF symbols.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: Fix coding style]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211002184539.169-3-jiaxun.yang@flygoat.com>
Diffstat (limited to 'hw/mips')
| -rw-r--r-- | hw/mips/boston.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/hw/mips/boston.c b/hw/mips/boston.c index 37b8278..7374bb5 100644 --- a/hw/mips/boston.c +++ b/hw/mips/boston.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu/units.h" +#include "elf.h" #include "hw/boards.h" #include "hw/char/serial.h" #include "hw/ide/pci.h" @@ -551,10 +552,37 @@ static void boston_mach_init(MachineState *machine) exit(1); } } else if (machine->kernel_filename) { - fit_err = load_fit(&boston_fit_loader, machine->kernel_filename, s); - if (fit_err) { - error_report("unable to load FIT image"); - exit(1); + uint64_t kernel_entry, kernel_high, kernel_size; + + kernel_size = load_elf(machine->kernel_filename, NULL, + cpu_mips_kseg0_to_phys, NULL, + &kernel_entry, NULL, &kernel_high, + NULL, 0, EM_MIPS, 1, 0); + + if (kernel_size) { + hwaddr dtb_paddr = QEMU_ALIGN_UP(kernel_high, 64 * KiB); + hwaddr dtb_vaddr = cpu_mips_phys_to_kseg0(NULL, dtb_paddr); + + s->kernel_entry = kernel_entry; + if (machine->dtb) { + int dt_size; + g_autofree const void *dtb_file_data, *dtb_load_data; + + dtb_file_data = load_device_tree(machine->dtb, &dt_size); + dtb_load_data = boston_fdt_filter(s, dtb_file_data, + NULL, &dtb_vaddr); + + /* Calculate real fdt size after filter */ + dt_size = fdt_totalsize(dtb_load_data); + rom_add_blob_fixed("dtb", dtb_load_data, dt_size, dtb_paddr); + } + } else { + /* Try to load file as FIT */ + fit_err = load_fit(&boston_fit_loader, machine->kernel_filename, s); + if (fit_err) { + error_report("unable to load kernel image"); + exit(1); + } } gen_firmware(memory_region_get_ram_ptr(flash) + 0x7c00000, |