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Add dummy m68k board.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3567 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2007-11-10 18:03:23 +00:00
parent 8fc7cc580f
commit ca02f31955
4 changed files with 71 additions and 1 deletions
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2
Makefile.target
View file

@ -508,7 +508,7 @@ VL_OBJS+= sh_timer.o ptimer.o sh_serial.o sh_intc.o
endif
ifeq ($(TARGET_BASE_ARCH), m68k)
VL_OBJS+= an5206.o mcf5206.o ptimer.o mcf_uart.o mcf_intc.o mcf5208.o mcf_fec.o
VL_OBJS+= m68k-semi.o
VL_OBJS+= m68k-semi.o dummy_m68k.o
endif
ifdef CONFIG_GDBSTUB
VL_OBJS+=gdbstub.o

66
hw/dummy_m68k.c Normal file
View file

@ -0,0 +1,66 @@
/*
* Dummy board with just RAM and CPU for use as an ISS.
*
* Copyright (c) 2007 CodeSourcery.
*
* This code is licenced under the GPL
*/
#include "vl.h"
#define KERNEL_LOAD_ADDR 0x10000
/* Board init. */
static void dummy_m68k_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env;
int kernel_size;
uint64_t elf_entry;
target_ulong entry;
env = cpu_init();
if (!cpu_model)
cpu_model = "cfv4e";
if (cpu_m68k_set_model(env, cpu_model)) {
cpu_abort(env, "Unable to find m68k CPU definition\n");
}
/* Initialize CPU registers. */
env->vbr = 0;
/* RAM at address zero */
cpu_register_physical_memory(0, ram_size,
qemu_ram_alloc(ram_size) | IO_MEM_RAM);
/* Load kernel. */
if (kernel_filename) {
kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);
entry = elf_entry;
if (kernel_size < 0) {
kernel_size = load_uboot(kernel_filename, &entry, NULL);
}
if (kernel_size < 0) {
kernel_size = load_image(kernel_filename,
phys_ram_base + KERNEL_LOAD_ADDR);
entry = KERNEL_LOAD_ADDR;
}
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
} else {
entry = 0;
}
env->pc = entry;
}
QEMUMachine dummy_m68k_machine = {
"dummy",
"Dummy board",
dummy_m68k_init,
};

1
vl.c
View file

@ -7400,6 +7400,7 @@ void register_machines(void)
#elif defined(TARGET_M68K)
qemu_register_machine(&mcf5208evb_machine);
qemu_register_machine(&an5206_machine);
qemu_register_machine(&dummy_m68k_machine);
#elif defined(TARGET_CRIS)
qemu_register_machine(&bareetraxfs_machine);
#else

3
vl.h
View file

@ -1719,6 +1719,9 @@ extern QEMUMachine an5206_machine;
/* mcf5208.c */
extern QEMUMachine mcf5208evb_machine;
/* dummy_m68k.c */
extern QEMUMachine dummy_m68k_machine;
#include "gdbstub.h"
#endif /* defined(QEMU_TOOL) */