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409dbce54b
A few machines need to translate the ELF header addresses into physical addresses. Currently the only possibility is to add a value to the addresses. This patch replaces the addend argument by and a translation function and an opaque passed to the function. A NULL function does not translate the address. The patch also convert all machines that have an addend, simplify the PowerPC kernel loading and fix the MIPS kernel loading using this new feature. Other machines may benefit from this feature. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
/*
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* Arnewsh 5206 ColdFire system emulation.
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*
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* Copyright (c) 2007 CodeSourcery.
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*
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* This code is licenced under the GPL
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*/
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#include "hw.h"
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#include "pc.h"
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#include "mcf.h"
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#include "sysemu.h"
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#include "boards.h"
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#include "loader.h"
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#include "elf.h"
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#define KERNEL_LOAD_ADDR 0x10000
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#define AN5206_MBAR_ADDR 0x10000000
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#define AN5206_RAMBAR_ADDR 0x20000000
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/* Stub functions for hardware that doesn't exist. */
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void pic_info(Monitor *mon)
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{
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}
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void irq_info(Monitor *mon)
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{
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}
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/* Board init. */
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static void an5206_init(ram_addr_t ram_size,
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const char *boot_device,
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const char *kernel_filename, const char *kernel_cmdline,
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const char *initrd_filename, const char *cpu_model)
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{
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CPUState *env;
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int kernel_size;
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uint64_t elf_entry;
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target_phys_addr_t entry;
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if (!cpu_model)
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cpu_model = "m5206";
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env = cpu_init(cpu_model);
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if (!env) {
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hw_error("Unable to find m68k CPU definition\n");
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}
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/* Initialize CPU registers. */
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env->vbr = 0;
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/* TODO: allow changing MBAR and RAMBAR. */
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env->mbar = AN5206_MBAR_ADDR | 1;
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env->rambar0 = AN5206_RAMBAR_ADDR | 1;
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/* DRAM at address zero */
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cpu_register_physical_memory(0, ram_size,
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qemu_ram_alloc(ram_size) | IO_MEM_RAM);
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/* Internal SRAM. */
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cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512,
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qemu_ram_alloc(512) | IO_MEM_RAM);
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mcf5206_init(AN5206_MBAR_ADDR, env);
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/* Load kernel. */
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if (!kernel_filename) {
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fprintf(stderr, "Kernel image must be specified\n");
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exit(1);
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}
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kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
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NULL, NULL, 1, ELF_MACHINE, 0);
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entry = elf_entry;
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if (kernel_size < 0) {
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kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
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}
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if (kernel_size < 0) {
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kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR,
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ram_size - KERNEL_LOAD_ADDR);
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entry = KERNEL_LOAD_ADDR;
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}
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if (kernel_size < 0) {
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fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
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exit(1);
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}
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env->pc = entry;
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}
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static QEMUMachine an5206_machine = {
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.name = "an5206",
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.desc = "Arnewsh 5206",
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.init = an5206_init,
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};
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static void an5206_machine_init(void)
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{
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qemu_register_machine(&an5206_machine);
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}
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machine_init(an5206_machine_init);
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