mirror of
https://gitlab.com/qemu-project/openbios.git
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7269632481
Map first 16M of RAM Execute a kernel if loaded by Qemu git-svn-id: svn://coreboot.org/openbios/openbios-devel@163 f158a5a8-5612-0410-a976-696ce0be7e32
85 lines
2.2 KiB
C
85 lines
2.2 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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int elf_load(struct sys_info *, const char *filename, const char *cmdline);
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int aout_load(struct sys_info *, const char *filename, const char *cmdline);
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int linux_load(struct sys_info *, const char *filename, const char *cmdline);
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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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void boot(void)
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{
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char *path=pop_fstr_copy(), *param;
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char altpath[256];
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if (kernel_size) {
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void (*entry)(unsigned long p1, unsigned long p2, unsigned long p3,
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unsigned long p4, unsigned long p5);
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extern int of_client_interface( int *params );
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printk("[sparc64] Kernel already loaded\n");
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entry = (void *) (unsigned long)kernel_image;
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entry(0, 0, 0, 0, (unsigned long)&of_client_interface);
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}
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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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break;
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case 'c':
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path = "disk";
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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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break;
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case 'n':
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path = "net";
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break;
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}
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}
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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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printk("[sparc64] 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) == LOADER_NOT_SUPPORT)
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if (linux_load(&sys_info, path, param) == LOADER_NOT_SUPPORT) {
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sprintf(altpath, "%s:d", path);
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if (elf_load(&sys_info, altpath, param) == LOADER_NOT_SUPPORT)
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if (linux_load(&sys_info, altpath, param) == 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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