Revision 16406950 hw/integratorcp.c
| b/hw/integratorcp.c | ||
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#include "vl.h" |
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#include "arm_pic.h" |
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#define KERNEL_ARGS_ADDR 0x100 |
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#define KERNEL_LOAD_ADDR 0x00010000 |
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#define INITRD_LOAD_ADDR 0x00800000 |
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void DMA_run (void) |
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{
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} |
| ... | ... | |
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} |
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/* The worlds second smallest bootloader. Set r0-r2, then jump to kernel. */ |
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static uint32_t bootloader[] = {
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0xe3a00000, /* mov r0, #0 */ |
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0xe3a01013, /* mov r1, #0x13 */ |
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0xe3811c01, /* orr r1, r1, #0x100 */ |
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0xe59f2000, /* ldr r2, [pc, #0] */ |
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0xe59ff000, /* ldr pc, [pc, #0] */ |
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0, /* Address of kernel args. Set by integratorcp_init. */ |
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0 /* Kernel entry point. Set by integratorcp_init. */ |
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}; |
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static void set_kernel_args(uint32_t ram_size, int initrd_size, |
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const char *kernel_cmdline) |
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{
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uint32_t *p; |
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p = (uint32_t *)(phys_ram_base + KERNEL_ARGS_ADDR); |
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/* ATAG_CORE */ |
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stl_raw(p++, 5); |
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stl_raw(p++, 0x54410001); |
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stl_raw(p++, 1); |
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stl_raw(p++, 0x1000); |
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stl_raw(p++, 0); |
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/* ATAG_MEM */ |
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stl_raw(p++, 4); |
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stl_raw(p++, 0x54410002); |
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stl_raw(p++, ram_size); |
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stl_raw(p++, 0); |
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if (initrd_size) {
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/* ATAG_INITRD2 */ |
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stl_raw(p++, 4); |
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stl_raw(p++, 0x54420005); |
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stl_raw(p++, INITRD_LOAD_ADDR); |
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stl_raw(p++, initrd_size); |
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} |
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if (kernel_cmdline && *kernel_cmdline) {
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/* ATAG_CMDLINE */ |
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int cmdline_size; |
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cmdline_size = strlen(kernel_cmdline); |
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memcpy (p + 2, kernel_cmdline, cmdline_size + 1); |
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cmdline_size = (cmdline_size >> 2) + 1; |
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stl_raw(p++, cmdline_size + 2); |
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stl_raw(p++, 0x54410009); |
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p += cmdline_size; |
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} |
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/* ATAG_END */ |
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stl_raw(p++, 0); |
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stl_raw(p++, 0); |
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} |
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/* Board init. */ |
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static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device, |
| ... | ... | |
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uint32_t bios_offset; |
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icp_pic_state *pic; |
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void *cpu_pic; |
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int kernel_size; |
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int initrd_size; |
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int n; |
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env = cpu_init(); |
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cpu_arm_set_model(env, cpuid); |
| ... | ... | |
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} |
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pl110_init(ds, 0xc0000000, pic, 22, 0); |
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/* Load the 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_image(kernel_filename, |
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phys_ram_base + KERNEL_LOAD_ADDR); |
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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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if (initrd_filename) {
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initrd_size = load_image(initrd_filename, |
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phys_ram_base + INITRD_LOAD_ADDR); |
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if (initrd_size < 0) {
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fprintf(stderr, "qemu: could not load initrd '%s'\n", |
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initrd_filename); |
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exit(1); |
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} |
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} else {
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initrd_size = 0; |
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} |
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bootloader[5] = KERNEL_ARGS_ADDR; |
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bootloader[6] = KERNEL_LOAD_ADDR; |
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for (n = 0; n < sizeof(bootloader) / 4; n++) |
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stl_raw(phys_ram_base + (n * 4), bootloader[n]); |
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set_kernel_args(ram_size, initrd_size, kernel_cmdline); |
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arm_load_kernel(ram_size, kernel_filename, kernel_cmdline, |
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initrd_filename, 0x113); |
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} |
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static void integratorcp926_init(int ram_size, int vga_ram_size, |
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