diff --git a/grub-core/loader/mips/linux.c b/grub-core/loader/mips/linux.c index e0a0e7c98..722be36a9 100644 --- a/grub-core/loader/mips/linux.c +++ b/grub-core/loader/mips/linux.c @@ -27,6 +27,7 @@ #include #include #include +#include GRUB_MOD_LICENSE ("GPLv3+"); @@ -53,12 +54,16 @@ static grub_size_t linux_size; static struct grub_relocator *relocator; static grub_uint8_t *playground; static grub_addr_t target_addr, entry_addr; +#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS +static char *params; +#else static int linux_argc; static grub_off_t argv_off; #ifdef GRUB_MACHINE_MIPS_LOONGSON static grub_off_t envp_off; #endif static grub_off_t rd_addr_arg_off, rd_size_arg_off; +#endif static int initrd_loaded = 0; static grub_err_t @@ -66,8 +71,26 @@ grub_linux_boot (void) { struct grub_relocator32_state state; + grub_memset (&state, 0, sizeof (state)); + /* Boot the kernel. */ state.gpr[1] = entry_addr; + +#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS + { + grub_err_t err; + grub_relocator_chunk_t ch; + + err = grub_relocator_alloc_chunk_addr (relocator, &ch, + ((16 << 20) - 256), + grub_strlen (params) + 1); + if (err) + return err; + grub_strcpy (get_virtual_current_address (ch), params); + } +#endif + +#ifndef GRUB_MACHINE_MIPS_QEMU_MIPS state.gpr[4] = linux_argc; state.gpr[5] = target_addr + argv_off; #ifdef GRUB_MACHINE_MIPS_LOONGSON @@ -76,6 +99,7 @@ grub_linux_boot (void) state.gpr[6] = 0; #endif state.gpr[7] = 0; +#endif state.jumpreg = 1; grub_relocator32_boot (relocator, state); @@ -88,6 +112,11 @@ grub_linux_unload (void) grub_relocator_unload (relocator); grub_dl_unref (my_mod); +#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS + grub_free (params); + params = 0; +#endif + loaded = 0; return GRUB_ERR_NONE; @@ -207,11 +236,13 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), int argc, char *argv[]) { grub_elf_t elf = 0; - int i; int size; void *extra = NULL; +#ifndef GRUB_MACHINE_MIPS_QEMU_MIPS + int i; grub_uint32_t *linux_argv; char *linux_args; +#endif grub_err_t err; #ifdef GRUB_MACHINE_MIPS_LOONGSON char *linux_envs; @@ -236,6 +267,9 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), grub_loader_unset (); loaded = 0; +#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS + size = 0; +#else /* For arguments. */ linux_argc = argc; #ifdef GRUB_MACHINE_MIPS_LOONGSON @@ -268,6 +302,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), + ALIGN_UP (sizeof ("highmemsize=XXXXXXXXXXXXXXXXXXXX"), 4) + ALIGN_UP (sizeof ("busclock=XXXXXXXXXX"), 4) + ALIGN_UP (sizeof ("cpuclock=XXXXXXXXXX"), 4); +#endif if (grub_elf_is_elf32 (elf)) err = grub_linux_load32 (elf, &extra, size); @@ -282,6 +317,20 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), if (err) return err; +#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS + /* Create kernel command line. */ + size = grub_loader_cmdline_size(argc, argv); + params = grub_malloc (size + sizeof (LINUX_IMAGE)); + if (! params) + { + grub_linux_unload (); + return grub_errno; + } + + grub_memcpy (params, LINUX_IMAGE, sizeof (LINUX_IMAGE)); + grub_create_loader_cmdline (argc, argv, params + sizeof (LINUX_IMAGE) - 1, + size); +#else linux_argv = extra; argv_off = (grub_uint8_t *) linux_argv - (grub_uint8_t *) playground; extra = linux_argv + (linux_argc + 1 + 2); @@ -362,6 +411,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), linux_envs += ALIGN_UP (grub_strlen (linux_envs) + 1, 4); linux_envp[4] = 0; +#endif #endif grub_loader_set (grub_linux_boot, grub_linux_unload, 1); @@ -425,6 +475,21 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), return grub_errno; } +#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS + { + char *tmp; + tmp = grub_xasprintf ("%s rd_start=0x%" PRIxGRUB_ADDR + " rd_size=0x%" PRIxGRUB_ADDR, params, + initrd_dest, size); + if (!tmp) + { + grub_file_close (file); + return grub_errno; + } + grub_free (params); + params = tmp; + } +#else grub_snprintf ((char *) playground + rd_addr_arg_off, sizeof ("rd_start=0xXXXXXXXXXXXXXXXX"), "rd_start=0x%llx", (unsigned long long) initrd_dest); @@ -438,6 +503,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), ((grub_uint32_t *) (playground + argv_off))[linux_argc] = target_addr + rd_size_arg_off; linux_argc++; +#endif initrd_loaded = 1;