Remove "payload" command in ia64 Linux loader since I couldn't
find any evidence of it being used for anything. Replace "relocate" command with an environment variable * grub-core/loader/ia64/efi/linux.c (ia64_boot_param): Remove extra fields. (ia64_boot_payload): Removed. (last_payload): Likewise. (RELOCATE_OFF): Likewise. (RELOCATE_ON): Likewise. (RELOCATE_FORCE): Likewise. (relocate): Likewise. (free_pages): Don't free payloads. (grub_load_elf64): Use common error messages. Use "linux_relocate" variable. Increase the space after boot_params. (grub_cmd_payload): Removed. (grub_cmd_relocate): Likewise. (grub_cmd_fpswa): Improve messages. (cmd_payload): Removed. (cmd_relocate): Likewise. (GRUB_MOD_INIT): Don't register "payload" and "relocate". (GRUB_MOD_FINI): Don't unregister "payload" and "relocate".
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
01783768d2
commit
690c531fc5
2 changed files with 47 additions and 190 deletions
26
ChangeLog
26
ChangeLog
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@ -1,3 +1,29 @@
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2012-02-09 Vladimir Serbinenko <phcoder@gmail.com>
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Remove "payload" command in ia64 Linux loader since I couldn't
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find any evidence of it being used for anything.
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Replace "relocate" command with an environment variable
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* grub-core/loader/ia64/efi/linux.c (ia64_boot_param): Remove extra
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fields.
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(ia64_boot_payload): Removed.
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(last_payload): Likewise.
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(RELOCATE_OFF): Likewise.
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(RELOCATE_ON): Likewise.
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(RELOCATE_FORCE): Likewise.
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(relocate): Likewise.
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(free_pages): Don't free payloads.
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(grub_load_elf64): Use common error messages.
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Use "linux_relocate" variable.
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Increase the space after boot_params.
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(grub_cmd_payload): Removed.
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(grub_cmd_relocate): Likewise.
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(grub_cmd_fpswa): Improve messages.
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(cmd_payload): Removed.
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(cmd_relocate): Likewise.
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(GRUB_MOD_INIT): Don't register "payload" and "relocate".
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(GRUB_MOD_FINI): Don't unregister "payload" and "relocate".
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2012-02-09 Vladimir Serbinenko <phcoder@gmail.com>
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Convert UHCI to DMA framework.
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@ -31,6 +31,7 @@
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#include <grub/efi/efi.h>
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#include <grub/elf.h>
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#include <grub/i18n.h>
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#include <grub/env.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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@ -58,21 +59,6 @@ struct ia64_boot_param
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grub_uint64_t fpswa; /* physical address of the fpswa interface */
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grub_uint64_t initrd_start;
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grub_uint64_t initrd_size;
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grub_uint64_t domain_start; /* boot domain address. */
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grub_uint64_t domain_size; /* how big is the boot domain */
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grub_uint64_t payloads_chain;
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grub_uint64_t payloads_nbr;
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};
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struct ia64_boot_payload
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{
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grub_uint64_t start;
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grub_uint64_t length;
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/* Payload command line */
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grub_uint64_t cmdline;
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grub_uint64_t next;
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};
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typedef struct
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@ -102,13 +88,6 @@ static grub_efi_uintn_t initrd_size;
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static struct ia64_boot_param *boot_param;
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static grub_efi_uintn_t boot_param_pages;
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static struct ia64_boot_payload *last_payload = NULL;
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/* Can linux kernel be relocated ? */
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#define RELOCATE_OFF 0 /* No. */
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#define RELOCATE_ON 1 /* Yes. */
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#define RELOCATE_FORCE 2 /* Always - used to debug. */
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static int relocate = RELOCATE_OFF;
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static inline grub_size_t
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page_align (grub_size_t size)
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@ -210,22 +189,6 @@ free_pages (void)
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if (boot_param)
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{
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struct ia64_boot_payload *payload;
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struct ia64_boot_payload *next_payload;
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/* Free payloads. */
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payload = (struct ia64_boot_payload *)boot_param->payloads_chain;
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while (payload != 0)
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{
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next_payload = (struct ia64_boot_payload *)payload->next;
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grub_efi_free_pages
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(payload->start, page_align (payload->length) >> 12);
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grub_efi_free_pages ((grub_efi_physical_address_t)payload, 1);
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payload = next_payload;
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}
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/* Free bootparam. */
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grub_efi_free_pages ((grub_efi_physical_address_t) boot_param,
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boot_param_pages);
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@ -399,21 +362,25 @@ grub_load_elf64 (grub_file_t file, void *buffer, const char *filename)
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grub_uint64_t high_addr;
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grub_uint64_t align;
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grub_uint64_t reloc_offset;
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if (ehdr->e_ident[EI_CLASS] != ELFCLASS64)
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return grub_error (GRUB_ERR_UNKNOWN_OS, "invalid ELF class");
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const char *relocate;
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if (ehdr->e_ident[EI_MAG0] != ELFMAG0
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|| ehdr->e_ident[EI_MAG1] != ELFMAG1
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|| ehdr->e_ident[EI_MAG2] != ELFMAG2
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|| ehdr->e_ident[EI_MAG3] != ELFMAG3
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|| ehdr->e_ident[EI_DATA] != ELFDATA2LSB)
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return grub_error(GRUB_ERR_UNKNOWN_OS,
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N_("invalid arch independent ELF magic"));
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if (ehdr->e_ident[EI_CLASS] != ELFCLASS64
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|| ehdr->e_version != EV_CURRENT
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|| ehdr->e_ident[EI_DATA] != ELFDATA2LSB
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|| ehdr->e_machine != EM_IA_64)
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return grub_error(GRUB_ERR_UNKNOWN_OS, "no valid ELF header found");
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return grub_error (GRUB_ERR_UNKNOWN_OS,
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N_("invalid arch dependent ELF magic"));
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if (ehdr->e_type != ET_EXEC)
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return grub_error (GRUB_ERR_UNKNOWN_OS, "invalid ELF file type");
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return grub_error (GRUB_ERR_UNKNOWN_OS,
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N_("this ELF file is not of the right type"));
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/* FIXME: Should we support program headers at strange locations? */
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if (ehdr->e_phoff + ehdr->e_phnum * ehdr->e_phentsize > GRUB_ELF_SEARCH)
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@ -448,13 +415,15 @@ grub_load_elf64 (grub_file_t file, void *buffer, const char *filename)
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kernel_pages = page_align (high_addr - low_addr) >> 12;
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if (relocate != RELOCATE_FORCE)
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/* Undocumented on purpose. */
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relocate = grub_env_get ("linux_relocate");
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if (!relocate || grub_strcmp (relocate, "force") != 0)
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{
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kernel_mem = grub_efi_allocate_pages (low_addr, kernel_pages);
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reloc_offset = 0;
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}
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/* Try to relocate. */
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if (! kernel_mem && relocate != RELOCATE_OFF)
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if (! kernel_mem && (!relocate || grub_strcmp (relocate, "off") != 0))
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{
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kernel_mem = allocate_pages (align, kernel_pages, low_addr);
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if (kernel_mem)
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@ -550,7 +519,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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len = sizeof("BOOT_IMAGE=") + 8;
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for (i = 0; i < argc; i++)
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len += grub_strlen (argv[i]) + 1;
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len += sizeof (struct ia64_boot_param) + 256; /* Room for extensions. */
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len += sizeof (struct ia64_boot_param) + 512; /* Room for extensions. */
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boot_param_pages = page_align (len) >> 12;
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boot_param = grub_efi_allocate_pages (0, boot_param_pages);
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if (boot_param == 0)
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@ -661,148 +630,20 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
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return grub_errno;
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}
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static grub_err_t
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grub_cmd_payload (grub_command_t cmd __attribute__ ((unused)),
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int argc, char *argv[])
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{
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grub_file_t file = 0;
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grub_ssize_t size, len = 0;
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char *base = 0, *cmdline = 0, *p;
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struct ia64_boot_payload *payload = NULL;
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int i;
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if (argc == 0)
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{
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grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
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goto fail;
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}
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if (!boot_param)
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{
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grub_error (GRUB_ERR_BAD_ARGUMENT,
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N_("you need to load the kernel first"));
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goto fail;
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}
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file = grub_file_open (argv[0]);
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if (! file)
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goto fail;
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size = grub_file_size (file);
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base = grub_efi_allocate_pages (0, page_align (size) >> 12);
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if (! base)
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goto fail;
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grub_dprintf ("linux", "Payload %s [addr=%lx + %lx]\n",
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argv[0], (grub_uint64_t)base, size);
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if (grub_file_read (file, base, size) != size)
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{
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if (!grub_errno)
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grub_error (GRUB_ERR_FILE_READ_ERROR, N_("premature end of file %s"),
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argv[0]);
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goto fail;
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}
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len = sizeof (struct ia64_boot_payload);
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for (i = 0; i < argc; i++)
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len += grub_strlen (argv[i]) + 1;
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if (len > 4096)
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{
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grub_error (GRUB_ERR_OUT_OF_RANGE, "payload command line too long");
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goto fail;
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}
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payload = grub_efi_allocate_pages (0, 1);
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if (! payload)
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goto fail;
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p = (char *)(payload + 1);
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payload->start = (grub_uint64_t)base;
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payload->length = size;
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payload->cmdline = (grub_uint64_t)p;
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payload->next = 0;
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if (last_payload)
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last_payload->next = (grub_uint64_t)payload;
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else
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{
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last_payload = payload;
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boot_param->payloads_chain = (grub_uint64_t)payload;
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}
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boot_param->payloads_nbr++;
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/* Copy command line. */
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for (i = 0; i < argc; i++)
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{
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p = grub_stpcpy (p, argv[i]);
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*(p++) = ' ';
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}
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/* Remove the space after the last word. */
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*(--p) = '\0';
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fail:
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if (file)
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grub_file_close (file);
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if (grub_errno != GRUB_ERR_NONE)
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{
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grub_free (base);
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grub_free (cmdline);
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}
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return grub_errno;
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}
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static grub_err_t
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grub_cmd_relocate (grub_command_t cmd __attribute__ ((unused)),
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int argc, char *argv[])
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{
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static const char * const vals[] = { "off", "on", "force"};
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unsigned int i;
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if (argc == 0)
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{
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grub_printf (_("relocate is %s\n"), vals[relocate]);
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return GRUB_ERR_NONE;
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}
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else if (argc == 1)
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{
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if (kernel_mem != NULL)
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grub_printf (_("Warning: kernel already loaded!\n"));
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for (i = 0; i < sizeof (vals)/sizeof(vals[0]); i++)
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if (grub_strcmp (argv[0], vals[i]) == 0)
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{
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relocate = i;
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return GRUB_ERR_NONE;
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}
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "unknown relocate value");
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}
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else
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{
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "accept 0 or 1 argument");
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}
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}
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static grub_err_t
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grub_cmd_fpswa (grub_command_t cmd __attribute__ ((unused)),
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int argc, char *argv[] __attribute__((unused)))
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int argc __attribute__((unused)),
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char *argv[] __attribute__((unused)))
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{
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if (argc != 0)
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "Arguments not expected");
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query_fpswa ();
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if (fpswa == NULL)
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grub_printf (_("No FPSWA loaded\n"));
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grub_printf (_("No FPSWA found\n"));
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else
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grub_printf (_("FPSWA revision: %x\n"), fpswa->revision);
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return GRUB_ERR_NONE;
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}
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static grub_command_t cmd_linux, cmd_initrd, cmd_payload, cmd_relocate, cmd_fpswa;
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static grub_command_t cmd_linux, cmd_initrd, cmd_fpswa;
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GRUB_MOD_INIT(linux)
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{
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@ -812,14 +653,6 @@ GRUB_MOD_INIT(linux)
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cmd_initrd = grub_register_command ("initrd", grub_cmd_initrd,
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N_("FILE"), N_("Load initrd."));
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cmd_payload = grub_register_command ("payload", grub_cmd_payload,
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N_("FILE [ARGS...]"),
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N_("Load an additional file."));
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cmd_relocate = grub_register_command ("relocate", grub_cmd_relocate,
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"[on|off|force]",
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N_("Set relocate feature."));
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cmd_fpswa = grub_register_command ("fpswa", grub_cmd_fpswa,
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"", N_("Display FPSWA version."));
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@ -830,7 +663,5 @@ GRUB_MOD_FINI(linux)
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{
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grub_unregister_command (cmd_linux);
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grub_unregister_command (cmd_initrd);
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grub_unregister_command (cmd_payload);
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grub_unregister_command (cmd_relocate);
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grub_unregister_command (cmd_fpswa);
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}
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