mirror of
https://gitlab.com/qemu-project/openbios.git
synced 2024-02-13 08:34:06 +08:00
0726cb7dd7
git-svn-id: svn://coreboot.org/openbios/openbios-devel@71 f158a5a8-5612-0410-a976-696ce0be7e32
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/*
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*
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*/
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#undef BOOTSTRAP
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#include "openbios/config.h"
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#include "openbios/bindings.h"
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#include "openbios/elfload.h"
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#include "openbios/nvram.h"
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#include "libc/diskio.h"
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#include "sys_info.h"
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#include "openprom.h"
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int elf_load(struct sys_info *, const char *filename, const char *cmdline, const void *romvec);
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int aout_load(struct sys_info *, const char *filename, const char *cmdline, const void *romvec);
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int linux_load(struct sys_info *, const char *filename, const char *cmdline, const void *romvec);
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void boot(void);
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struct sys_info sys_info;
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uint32_t kernel_image;
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uint32_t kernel_size;
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uint32_t cmdline;
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uint32_t cmdline_size;
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char boot_device;
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extern unsigned int qemu_mem_size;
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void *init_openprom(unsigned long memsize);
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extern struct linux_arguments_v0 obp_arg;
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void boot(void)
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{
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char *path = pop_fstr_copy(), *param, *oldpath;
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char altpath[256];
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int unit;
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const void *romvec;
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if(!path) {
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switch(boot_device) {
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case 'a':
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path = "/obio/SUNW,fdtwo";
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oldpath = "fd()";
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unit = 0;
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break;
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case 'c':
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path = "disk";
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oldpath = "sd(0,0,0):d";
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unit = 0;
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break;
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default:
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case 'd':
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path = "cdrom";
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// FIXME: hardcoding this looks almost definitely wrong.
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// With sd(0,2,0):b we get to see the solaris kernel though
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//oldpath = "sd(0,2,0):d";
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oldpath = "sd(0,2,0):b";
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unit = 2;
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break;
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case 'n':
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path = "net";
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oldpath = "le()";
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unit = 0;
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break;
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}
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}
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obp_arg.boot_dev_ctrl = 0;
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obp_arg.boot_dev_unit = unit;
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obp_arg.dev_partition = 0;
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obp_arg.boot_dev[0] = oldpath[0];
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obp_arg.boot_dev[1] = oldpath[1];
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obp_arg.argv[0] = oldpath;
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obp_arg.argv[1] = cmdline;
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param = strchr(path, ' ');
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if(param) {
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*param = '\0';
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param++;
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} else if (cmdline_size) {
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param = (char *)cmdline;
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}
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romvec = init_openprom(qemu_mem_size);
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if (kernel_size) {
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int (*entry)(const void *romvec, int p2, int p3, int p4, int p5);
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printk("[sparc] Kernel already loaded\n");
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entry = (void *) kernel_image;
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entry(romvec, 0, 0, 0, 0);
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}
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printk("[sparc] Booting file '%s' ", path);
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if(param)
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printk("with parameters '%s'\n", param);
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else
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printk("without parameters.\n");
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if (elf_load(&sys_info, path, param, romvec) == LOADER_NOT_SUPPORT)
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if (linux_load(&sys_info, path, param, romvec) == LOADER_NOT_SUPPORT)
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if (aout_load(&sys_info, path, param, romvec) == LOADER_NOT_SUPPORT) {
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sprintf(altpath, "%s:d", path);
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if (elf_load(&sys_info, altpath, param, romvec) == LOADER_NOT_SUPPORT)
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if (linux_load(&sys_info, altpath, param, romvec) == LOADER_NOT_SUPPORT)
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if (aout_load(&sys_info, altpath, param, romvec) == LOADER_NOT_SUPPORT)
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printk("Unsupported image format\n");
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}
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free(path);
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}
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