diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/openbios/arch/sparc64/boot.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/openbios/arch/sparc64/boot.c')
-rw-r--r-- | qemu/roms/openbios/arch/sparc64/boot.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/qemu/roms/openbios/arch/sparc64/boot.c b/qemu/roms/openbios/arch/sparc64/boot.c new file mode 100644 index 000000000..5107be6ca --- /dev/null +++ b/qemu/roms/openbios/arch/sparc64/boot.c @@ -0,0 +1,130 @@ +/* + * + */ +#undef BOOTSTRAP +#include "config.h" +#include "libopenbios/bindings.h" +#include "arch/common/nvram.h" +#include "libc/diskio.h" +#include "libc/vsprintf.h" +#include "libopenbios/sys_info.h" +#include "boot.h" + +uint64_t kernel_image; +uint64_t kernel_size; +uint64_t qemu_cmdline; +uint64_t cmdline_size; +char boot_device; + +extern int sparc64_of_client_interface( int *params ); + + +void go(void) +{ + ucell address, type, size; + int image_retval = 0; + + /* Get the entry point and the type (see forth/debugging/client.fs) */ + feval("saved-program-state >sps.entry @"); + address = POP(); + feval("saved-program-state >sps.file-type @"); + type = POP(); + feval("saved-program-state >sps.file-size @"); + size = POP(); + + printk("\nJumping to entry point " FMT_ucellx " for type " FMT_ucellx "...\n", address, type); + + switch (type) { + case 0x0: + /* Start ELF boot image */ + image_retval = start_elf(address, (uint64_t)&elf_boot_notes); + break; + + case 0x1: + /* Start ELF image */ + image_retval = start_client_image(address, (uint64_t)&sparc64_of_client_interface); + break; + + case 0x5: + /* Start a.out image */ + image_retval = start_client_image(address, (uint64_t)&sparc64_of_client_interface); + break; + + case 0x10: + /* Start Fcode image */ + printk("Evaluating FCode...\n"); + PUSH(address); + PUSH(1); + fword("byte-load"); + image_retval = 0; + break; + + case 0x11: + /* Start Forth image */ + PUSH(address); + PUSH(size); + fword("eval2"); + image_retval = 0; + break; + } + + printk("Image returned with return value %#x\n", image_retval); +} + +/* ( path len -- path len ) */ + +void boot(void) +{ + char *path, *param; + + /* Copy the incoming path */ + fword("2dup"); + path = pop_fstr_copy(); + + /* Boot preloaded kernel */ + if (kernel_size) { + void (*entry)(unsigned long p1, unsigned long p2, unsigned long p3, + unsigned long p4, unsigned long p5); + + printk("[sparc64] Kernel already loaded\n"); + entry = (void *) (unsigned long)kernel_image; + entry(0, 0, 0, 0, (unsigned long)&sparc64_of_client_interface); + } + + /* Invoke Linux directly -- probably not supported */ + if(!path) { + /* No path specified, so grab defaults from /chosen */ + push_str("bootpath"); + push_str("/chosen"); + fword("(find-dev)"); + POP(); + fword("get-package-property"); + POP(); + /* Update our local copy of path as well as the one on the stack */ + fword("2dup"); + path = pop_fstr_copy(); + } + + if (path) { + param = strchr(path, ' '); + if(param) { + *param = '\0'; + param++; + } else if (cmdline_size) { + param = (char *)qemu_cmdline; + } else { + push_str("boot-args"); + push_str("/options"); + fword("(find-dev)"); + POP(); + fword("get-package-property"); + POP(); + param = pop_fstr_copy(); + } + + /* Invoke platform-specific Linux loader */ + linux_load(&sys_info, path, param); + + free(path); + } +} |