| #ifndef __COMMON_H |
| #define __COMMON_H |
| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (C) Hewlett-Packard (Paul Bame) paul_bame@hp.com |
| */ |
| |
| #define __KERNEL_STRICT_NAMES /* fixes build on SUSE 10 (kernel 2.6.1[2|3]) */ |
| |
| #if !(defined(__hpux__) || defined(__hpux)) |
| # include <sys/cdefs.h> /* useful macros */ |
| # include <byteswap.h> |
| #endif |
| |
| #include <stdarg.h> |
| |
| /* Swap bytes in 32 bit value. */ |
| #define __palo_bswap_constant_32(x) \ |
| ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ |
| (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) |
| |
| #if defined(__linux__) |
| # include <asm/byteorder.h> |
| #elif defined(__hpux__) || defined(__hpux) |
| /* HP-UX is always big endian */ |
| # define __be64_to_cpu(x) (x) |
| # define __be32_to_cpu(x) (x) |
| # define __be16_to_cpu(x) (x) |
| # define __le32_to_cpu(x) __palo_bswap_constant_32(x) |
| # define __le16_to_cpu(x) le16toh(x) |
| # define __cpu_to_be32(x) (x) |
| #else /* BSD and similiar */ |
| # include <endian.h> |
| # define __be64_to_cpu(x) be64toh(x) |
| # define __be32_to_cpu(x) be32toh(x) |
| # define __be16_to_cpu(x) be16toh(x) |
| # define __le32_to_cpu(x) le32toh(x) |
| # define __le16_to_cpu(x) le16toh(x) |
| # define __cpu_to_be32(x) htobe32(x) |
| #endif |
| #include "part.h" |
| |
| #if defined(IPL_LOADER) |
| void *pa_memcpy(void *dest, const void *src, unsigned n); |
| #else |
| # include <string.h> |
| # define pa_memcpy memcpy |
| #endif |
| |
| /* Newer versions of linux-kernel-headers provide a sanitized swab.h |
| * which uses GLIBC provided functionality, and dump the kernel provided |
| * ones. Include <byteswap.h> above, and provide compatibility #define's |
| * to work around this. |
| */ |
| #ifndef __swab64 |
| #define __swab64(x) bswap_64(x) |
| #endif /* __swab64 */ |
| |
| #ifndef __swab32 |
| #define __swab32(x) bswap_32(x) |
| #endif /* __swab32 */ |
| |
| #ifndef __swab16 |
| #define __swab16(x) bswap_16(x) |
| #endif /* __swab16 */ |
| |
| #define PALOVERSION "1.98" |
| |
| /* size of I/O block used in HP firmware */ |
| #define FW_BLOCKSIZE 2048 |
| |
| #define GB (1024 * 1024 * 1024) |
| |
| /* assume kernel will always be loaded into the "lower" physical memory */ |
| #define PHYS(virtual) ((virtual) & 0x0fffffff) |
| |
| /* This struct is placed at the start of the boot loader executable. The |
| * "magic" number is the assembly-language branch needed to skip over the |
| * rest of the structure. This structure is manipulated by the program |
| * which creates and updates boot media (palo). It must stay 256 bytes |
| * in length! |
| * |
| * kern_sz = 0 or rd_sz = 0 means no kern or ramdisk respectively. |
| */ |
| #define PALOMAGIC "PALO" |
| #define PALOHDRVERSION 5 |
| |
| #define PFLAG_INSTALL 0x1 |
| #define PFLAG_EXT2 0x2 |
| |
| #define CMDLINELEN 1024 /* max length of command line */ |
| |
| struct firstblock |
| { |
| unsigned char lifmagic0; /* 0x80 */ |
| unsigned char lifmagic1; /* 0x00 */ |
| |
| char palomagic[5]; /* PALO */ |
| unsigned char version; |
| int kern32_offset; /* seek() here to begin loading kernel */ |
| int kern32_sz; /* # bytes to load */ |
| int rd_offset; /* seek() here to begin loading ramdisk */ |
| int rd_sz; /* # bytes in ramdisk */ |
| char cmdline_old[128]; /* OLD: Up to 127 bytes of text plus a \0 */ |
| |
| unsigned char pad1[0xf0 - 8 - 9 * sizeof (int) - 128]; |
| int kern32_native_sz; /* 32bit kernel: uncompressed file size */ |
| int kern64_native_sz; /* 64bit kernel: uncompressed file size */ |
| unsigned int flags; |
| int kern64_offset; |
| int kern64_sz; |
| |
| int ipl_addr; /* offset 0xf0 */ |
| int ipl_size; |
| int ipl_entry; |
| |
| /* offset 0x1be */ |
| unsigned char pad2[0x1be - (0xf0 + 3 * sizeof (int))]; |
| struct partition part[4]; |
| /* offset 0x1fe */ |
| unsigned char dosmagic[2]; /* 0x55, 0xaa */ |
| unsigned char pad4[1024 - 0x200]; |
| char cmdline[CMDLINELEN];/* max 1023 bytes of text plus a \0 */ |
| }; |
| |
| /* we use this so that we can do without the ctype library */ |
| #define is_digit(c) ((c) >= '0' && (c) <= '9') |
| |
| struct diskpartition |
| { |
| /* in honor of the MBR scheme, these are in 512-byte sectors */ |
| unsigned start; |
| /* length == 0 means nothing's here */ |
| unsigned length; |
| unsigned char id; |
| }; |
| |
| |
| #define MAXPARTS 16 |
| |
| int seekread(int fd, char *buf, unsigned nbytes, unsigned devaddr); |
| #define STRUCTWRITE(f, data, where) seekwrite((f), (char *)&data, sizeof data, (where)) |
| #define STRUCTREAD(f, data, where) seekread((f), (char *)&data, sizeof data, (where)) |
| #define GZIP_STRUCTREAD(loadable, f, data, where) \ |
| (loadable->uncompressed_data) ? \ |
| ( pa_memcpy(&data, &loadable->uncompressed_data[where], sizeof data), (sizeof data) ) \ |
| : \ |
| seekread((f), (char *)&data, sizeof data, (where)) |
| |
| /* diskpart.c */ |
| extern int is_extended(int id); |
| extern int load_partitions(int bootdev, struct diskpartition *mptab, int maxparts); |
| extern void print_ptab(struct diskpartition *mptab, int maxparts); |
| extern void print_ptab_pretty(struct diskpartition *mptab, int maxparts); |
| |
| #endif /* __COMMON_H */ |