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initial support for ppc in grub-mkimage (bugs for now)

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-04-25 22:26:29 +02:00
parent 2fa6a5dd44
commit 2296410ffb
12 changed files with 133 additions and 57 deletions
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7
conf/common.rmk
View file

@ -21,6 +21,13 @@ grub_mkelfimage_SOURCES = gnulib/progname.c \
util/resolve.c
util/elf/grub-mkimage.c_DEPENDENCIES = Makefile
# For grub-mkimage.
bin_UTILITIES += grub-mkimage
grub_mkimage_SOURCES = gnulib/progname.c util/grub-mkimage.c util/misc.c \
util/resolve.c lib/LzmaEnc.c lib/LzFind.c
grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)
util/grub-mkimage.c_DEPENDENCIES = Makefile
# For grub-probe.
sbin_UTILITIES += grub-probe
util/grub-probe.c_DEPENDENCIES = grub_probe_init.h

7
conf/i386-pc.rmk
View file

@ -61,15 +61,8 @@ kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
kernel_img_LDFLAGS += $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)$(GRUB_KERNEL_MACHINE_LINK_ADDR) $(COMMON_CFLAGS)
# Utilities.
bin_UTILITIES = grub-mkimage
sbin_UTILITIES = grub-setup
# For grub-mkimage.
grub_mkimage_SOURCES = gnulib/progname.c util/grub-mkimage.c util/misc.c \
util/resolve.c lib/LzmaEnc.c lib/LzFind.c
grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)
util/grub-mkimage.c_DEPENDENCIES = Makefile
# For grub-setup.
util/i386/pc/grub-setup.c_DEPENDENCIES = grub_setup_init.h
grub_setup_SOURCES = gnulib/progname.c \

6
conf/i386-qemu.rmk
View file

@ -13,12 +13,6 @@ boot_img_ASFLAGS = $(COMMON_ASFLAGS) -DGRUB_BOOT_MACHINE_LINK_ADDR=$(GRUB_BOOT_M
boot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)$(GRUB_BOOT_MACHINE_LINK_ADDR)
boot_img_FORMAT = binary
bin_UTILITIES += grub-mkimage
grub_mkimage_SOURCES = util/grub-mkimage.c util/misc.c \
util/resolve.c gnulib/progname.c
grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)
util/grub-mkimage.c_DEPENDENCIES = Makefile
pkglib_PROGRAMS += kernel.img
kernel_img_SOURCES = kern/i386/qemu/startup.S \
kern/i386/misc.S \

7
conf/mips.rmk
View file

@ -10,13 +10,6 @@ kernel_img_HEADERS += cpu/cache.h
sbin_SCRIPTS =
bin_SCRIPTS =
# For grub-mkimage.
bin_UTILITIES += grub-mkimage
grub_mkimage_SOURCES = gnulib/progname.c util/grub-mkimage.c util/misc.c \
util/resolve.c lib/LzmaEnc.c lib/LzFind.c
grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(LINK_BASE)
util/grub-mkimage.c_DEPENDENCIES = Makefile
# For serial.mod.
pkglib_MODULES += serial.mod
serial_mod_SOURCES = term/serial.c

5
conf/sparc64-ieee1275.rmk
View file

@ -41,13 +41,8 @@ kernel_img_LDFLAGS += -nostdlib -Wl,-N,-Ttext,0x4400,-Bstatic,-melf64_sparc
kernel_img_FORMAT = binary
# Utilities.
bin_UTILITIES = grub-mkimage
sbin_UTILITIES = grub-setup grub-ofpathname
# For grub-mkimage.
grub_mkimage_SOURCES = util/grub-mkimage.c util/misc.c \
util/resolve.c gnulib/progname.c
# For grub-setup.
util/sparc64/ieee1275/grub-setup.c_DEPENDENCIES = grub_setup_init.h
grub_setup_SOURCES = util/sparc64/ieee1275/grub-setup.c util/hostdisk.c \

8
conf/x86-efi.rmk
View file

@ -1,13 +1,5 @@
# -*- makefile -*-
# Utilities.
bin_UTILITIES = grub-mkimage
# For grub-mkimage.
grub_mkimage_SOURCES = gnulib/progname.c util/grub-mkimage.c \
util/misc.c util/resolve.c
util/i386/efi/grub-mkimage.c_DEPENDENCIES = Makefile
# Scripts.
sbin_SCRIPTS = grub-install

2
include/grub/mips/kernel.h
View file

@ -46,6 +46,8 @@
#define GRUB_PLATFORM_IMAGE_DEFAULT GRUB_PLATFORM_IMAGE_RAW
#define EM_TARGET EM_MIPS
#ifndef ASM_FILE
typedef enum {

19
include/grub/powerpc/ieee1275/kernel.h
View file

@ -21,8 +21,27 @@
#include <grub/symbol.h>
#define GRUB_PLATFORM_IMAGE_FORMATS "raw, elf"
#define GRUB_PLATFORM_IMAGE_DEFAULT_FORMAT "raw"
#define GRUB_PLATFORM_IMAGE_DEFAULT GRUB_PLATFORM_IMAGE_RAW
#define GRUB_KERNEL_MACHINE_PREFIX 0x4
#define GRUB_KERNEL_MACHINE_DATA_END 0x44
#define GRUB_KERNEL_MACHINE_LINK_ALIGN 4
#define EM_TARGET EM_PPC
#define GRUB_KERNEL_MACHINE_LINK_ADDR 0x200000
#ifndef ASM_FILE
typedef enum {
GRUB_PLATFORM_IMAGE_RAW,
GRUB_PLATFORM_IMAGE_ELF
}
grub_platform_image_format_t;
#define GRUB_PLATFORM_IMAGE_RAW GRUB_PLATFORM_IMAGE_RAW
#define GRUB_PLATFORM_IMAGE_ELF GRUB_PLATFORM_IMAGE_ELF
/* The prefix which points to the directory where GRUB modules and its
configuration file are located. */
extern char grub_prefix[];

3
include/grub/powerpc/kernel.h
View file

@ -26,7 +26,4 @@
rewrite grub-mkimage to generate valid ELF files. */
#define GRUB_MOD_GAP 0x8000
#define GRUB_KERNEL_CPU_PREFIX 0x4
#define GRUB_KERNEL_CPU_DATA_END 0x44
#endif

6
kern/powerpc/ieee1275/startup.S
View file

@ -18,7 +18,7 @@
*/
#include <grub/symbol.h>
#include <grub/cpu/kernel.h>
#include <grub/machine/kernel.h>
.extern __bss_start
.extern _end
@ -30,7 +30,7 @@ start:
_start:
b codestart
. = _start + GRUB_KERNEL_CPU_PREFIX
. = _start + GRUB_KERNEL_MACHINE_PREFIX
VARIABLE(grub_prefix)
/* to be filled by grub-mkelfimage */
@ -39,7 +39,7 @@ VARIABLE(grub_prefix)
* Leave some breathing room for the prefix.
*/
. = _start + GRUB_KERNEL_CPU_DATA_END
. = _start + GRUB_KERNEL_MACHINE_DATA_END
codestart:
li 2, 0

5
util/elf/grub-mkimage.c
View file

@ -31,6 +31,7 @@
#include <grub/util/resolve.h>
#include <grub/kernel.h>
#include <grub/cpu/kernel.h>
#include <grub/machine/kernel.h>
#include <grub/i18n.h>
#include "progname.h"
@ -323,9 +324,9 @@ add_segments (char *dir, char *prefix, FILE *out, int chrp, char *mods[], char *
if (prefix)
{
if (GRUB_KERNEL_CPU_PREFIX + strlen (prefix) + 1 > GRUB_KERNEL_CPU_DATA_END)
if (GRUB_KERNEL_MACHINE_PREFIX + strlen (prefix) + 1 > GRUB_KERNEL_MACHINE_DATA_END)
grub_util_error ("prefix too long");
grub_util_write_image_at (prefix, strlen (prefix) + 1, first_segment + GRUB_KERNEL_CPU_PREFIX, out);
grub_util_write_image_at (prefix, strlen (prefix) + 1, first_segment + GRUB_KERNEL_MACHINE_PREFIX, out);
}
free (phdrs);

113
util/grub-mkimage.c
View file

@ -46,6 +46,36 @@
#define ALIGN_ADDR(x) (ALIGN_UP((x), GRUB_TARGET_SIZEOF_VOID_P))
#define GRUB_IEEE1275_NOTE_NAME "PowerPC"
#define GRUB_IEEE1275_NOTE_TYPE 0x1275
/* These structures are defined according to the CHRP binding to IEEE1275,
"Client Program Format" section. */
struct grub_ieee1275_note_hdr
{
grub_uint32_t namesz;
grub_uint32_t descsz;
grub_uint32_t type;
char name[sizeof (GRUB_IEEE1275_NOTE_NAME)];
};
struct grub_ieee1275_note_desc
{
grub_uint32_t real_mode;
grub_uint32_t real_base;
grub_uint32_t real_size;
grub_uint32_t virt_base;
grub_uint32_t virt_size;
grub_uint32_t load_base;
};
struct grub_ieee1275_note
{
struct grub_ieee1275_note_hdr header;
struct grub_ieee1275_note_desc descriptor;
};
#ifdef GRUB_MACHINE_EFI
#define SECTION_ALIGN GRUB_PE32_SECTION_ALIGNMENT
#define VADDR_OFFSET ALIGN_UP (sizeof (struct grub_pe32_header) + 5 * sizeof (struct grub_pe32_section_table), SECTION_ALIGN)
@ -786,11 +816,11 @@ static void
generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
char *memdisk_path, char *font_path, char *config_path,
#ifdef GRUB_PLATFORM_IMAGE_DEFAULT
grub_platform_image_format_t format
grub_platform_image_format_t format,
#else
int dummy __attribute__ ((unused))
int dummy __attribute__ ((unused)),
#endif
int note
)
{
char *kernel_img, *core_img;
@ -1205,7 +1235,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
free (boot_img);
free (boot_path);
}
#elif defined(GRUB_MACHINE_MIPS)
#elif defined(GRUB_MACHINE_MIPS) || defined (GRUB_MACHINE_IEEE1275)
if (format == GRUB_PLATFORM_IMAGE_ELF)
{
char *elf_img;
@ -1213,12 +1243,21 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
Elf32_Ehdr *ehdr;
Elf32_Phdr *phdr;
grub_uint32_t target_addr;
int header_size, footer_size = 0;
int phnum = 1;
if (note)
{
phnum++;
footer_size += sizeof (struct grub_ieee1275_note);
}
header_size = ALIGN_ADDR (sizeof (*ehdr) + phnum * sizeof (*phdr));
program_size = ALIGN_ADDR (core_size);
elf_img = xmalloc (program_size + sizeof (*ehdr) + sizeof (*phdr));
memset (elf_img, 0, program_size + sizeof (*ehdr) + sizeof (*phdr));
memcpy (elf_img + sizeof (*ehdr) + sizeof (*phdr), core_img, core_size);
elf_img = xmalloc (program_size + header_size + footer_size);
memset (elf_img, 0, program_size + header_size);
memcpy (elf_img + header_size, core_img, core_size);
ehdr = (void *) elf_img;
phdr = (void *) (elf_img + sizeof (*ehdr));
memcpy (ehdr->e_ident, ELFMAG, SELFMAG);
@ -1231,12 +1270,12 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
ehdr->e_ident[EI_VERSION] = EV_CURRENT;
ehdr->e_ident[EI_OSABI] = ELFOSABI_NONE;
ehdr->e_type = grub_host_to_target16 (ET_EXEC);
ehdr->e_machine = grub_host_to_target16 (EM_MIPS);
ehdr->e_machine = grub_host_to_target16 (EM_TARGET);
ehdr->e_version = grub_host_to_target32 (EV_CURRENT);
ehdr->e_phoff = grub_host_to_target32 ((char *) phdr - (char *) ehdr);
ehdr->e_phentsize = grub_host_to_target16 (sizeof (*phdr));
ehdr->e_phnum = grub_host_to_target16 (1);
ehdr->e_phnum = grub_host_to_target16 (phnum);
/* No section headers. */
ehdr->e_shoff = grub_host_to_target32 (0);
@ -1247,23 +1286,60 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
ehdr->e_ehsize = grub_host_to_target16 (sizeof (*ehdr));
phdr->p_type = grub_host_to_target32 (PT_LOAD);
phdr->p_offset = grub_host_to_target32 (sizeof (*ehdr) + sizeof (*phdr));
phdr->p_offset = grub_host_to_target32 (header_size);
phdr->p_flags = grub_host_to_target32 (PF_R | PF_W | PF_X);
#if defined(GRUB_MACHINE_MIPS)
target_addr = ALIGN_UP (GRUB_KERNEL_MACHINE_LINK_ADDR
+ kernel_size + total_module_size, 32);
#else
target_addr = GRUB_KERNEL_MACHINE_LINK_ADDR;
#endif
ehdr->e_entry = grub_host_to_target32 (target_addr);
phdr->p_vaddr = grub_host_to_target32 (target_addr);
phdr->p_paddr = grub_host_to_target32 (target_addr);
phdr->p_align = grub_host_to_target32 (GRUB_KERNEL_MACHINE_LINK_ALIGN);
#if defined(GRUB_MACHINE_MIPS)
ehdr->e_flags = grub_host_to_target32 (0x1000 | EF_MIPS_NOREORDER
| EF_MIPS_PIC | EF_MIPS_CPIC);
#else
ehdr->e_flags = 0;
#endif
phdr->p_filesz = grub_host_to_target32 (core_size);
phdr->p_memsz = grub_host_to_target32 (core_size);
if (note)
{
int note_size = sizeof (struct grub_ieee1275_note);
struct grub_ieee1275_note *note = (struct grub_ieee1275_note *)
(elf_img + program_size + header_size);
grub_util_info ("adding CHRP NOTE segment");
note->header.namesz = grub_host_to_target32 (sizeof (GRUB_IEEE1275_NOTE_NAME));
note->header.descsz = grub_host_to_target32 (note_size);
note->header.type = grub_host_to_target32 (GRUB_IEEE1275_NOTE_TYPE);
strcpy (note->header.name, GRUB_IEEE1275_NOTE_NAME);
note->descriptor.real_mode = grub_host_to_target32 (0xffffffff);
note->descriptor.real_base = grub_host_to_target32 (0x00c00000);
note->descriptor.real_size = grub_host_to_target32 (0xffffffff);
note->descriptor.virt_base = grub_host_to_target32 (0xffffffff);
note->descriptor.virt_size = grub_host_to_target32 (0xffffffff);
note->descriptor.load_base = grub_host_to_target32 (0x00004000);
phdr[1].p_type = grub_host_to_target32 (PT_NOTE);
phdr[1].p_flags = grub_host_to_target32 (PF_R);
phdr[1].p_align = grub_host_to_target32 (GRUB_TARGET_SIZEOF_LONG);
phdr[1].p_vaddr = 0;
phdr[1].p_paddr = 0;
phdr[1].p_filesz = grub_host_to_target32 (note_size);
phdr[1].p_memsz = 0;
phdr[1].p_offset = grub_host_to_target32 (header_size + program_size);
}
free (core_img);
core_img = elf_img;
core_size = program_size + sizeof (*ehdr) + sizeof (*phdr);
core_size = program_size + header_size + footer_size;
}
#endif
@ -1291,6 +1367,7 @@ static struct option options[] =
{"font", required_argument, 0, 'f'},
{"config", required_argument, 0, 'c'},
{"output", required_argument, 0, 'o'},
{"note", no_argument, 0, 'n'},
#ifdef GRUB_PLATFORM_IMAGE_DEFAULT
{"format", required_argument, 0, 'O'},
#endif
@ -1316,6 +1393,7 @@ Make a bootable image of GRUB.\n\
-m, --memdisk=FILE embed FILE as a memdisk image\n\
-f, --font=FILE embed FILE as a boot font\n\
-c, --config=FILE embed FILE as boot config\n\
-n, --note add NOTE segment for CHRP Open Firmware\n\
-o, --output=FILE output a generated image to FILE [default=stdout]\n"
#ifdef GRUB_PLATFORM_IMAGE_DEFAULT
"\
@ -1348,6 +1426,7 @@ main (int argc, char *argv[])
char *font = NULL;
char *config = NULL;
FILE *fp = stdout;
int note = 0;
#ifdef GRUB_PLATFORM_IMAGE_DEFAULT
grub_platform_image_format_t format = GRUB_PLATFORM_IMAGE_DEFAULT;
#endif
@ -1358,7 +1437,7 @@ main (int argc, char *argv[])
while (1)
{
int c = getopt_long (argc, argv, "d:p:m:c:o:O:f:hVv", options, 0);
int c = getopt_long (argc, argv, "d:p:m:c:o:O:f:hVvn", options, 0);
if (c == -1)
break;
@ -1400,6 +1479,10 @@ main (int argc, char *argv[])
dir = xstrdup (optarg);
break;
case 'n':
note = 1;
break;
case 'm':
if (memdisk)
free (memdisk);
@ -1462,11 +1545,11 @@ main (int argc, char *argv[])
generate_image (dir ? : GRUB_LIBDIR, prefix ? : DEFAULT_DIRECTORY, fp,
argv + optind, memdisk, font, config,
#ifdef GRUB_PLATFORM_IMAGE_DEFAULT
format
format,
#else
0
0,
#endif
);
note);
fclose (fp);