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Add support to PXA devices

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Close #340
This commit is contained in:
topjohnwu
2018-01-29 02:44:30 +08:00
parent c471bb6f67
commit eed86c760f
5 changed files with 208 additions and 136 deletions
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141
native/jni/magiskboot/bootimg.h
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@@ -21,48 +21,69 @@
#ifndef _BOOT_IMAGE_H_
#define _BOOT_IMAGE_H_
typedef struct boot_img_hdr boot_img_hdr;
#define BOOT_MAGIC "ANDROID!"
#define BOOT_MAGIC_SIZE 8
#define BOOT_NAME_SIZE 16
#define BOOT_ARGS_SIZE 512
#define BOOT_EXTRA_ARGS_SIZE 1024
struct boot_img_hdr
{
uint8_t magic[BOOT_MAGIC_SIZE];
typedef struct boot_img_hdr {
char magic[8];
uint32_t kernel_size; /* size in bytes */
uint32_t kernel_addr; /* physical load addr */
uint32_t kernel_size; /* size in bytes */
uint32_t kernel_addr; /* physical load addr */
uint32_t ramdisk_size; /* size in bytes */
uint32_t ramdisk_addr; /* physical load addr */
uint32_t ramdisk_size; /* size in bytes */
uint32_t ramdisk_addr; /* physical load addr */
uint32_t second_size; /* size in bytes */
uint32_t second_addr; /* physical load addr */
uint32_t second_size; /* size in bytes */
uint32_t second_addr; /* physical load addr */
uint32_t tags_addr; /* physical addr for kernel tags */
uint32_t page_size; /* flash page size we assume */
uint32_t extra_size; /* extra blob size in bytes */
uint32_t tags_addr; /* physical addr for kernel tags */
uint32_t page_size; /* flash page size we assume */
uint32_t extra_size; /* extra blob size in bytes */
/* operating system version and security patch level; for
* version "A.B.C" and patch level "Y-M-D":
* ver = A << 14 | B << 7 | C (7 bits for each of A, B, C)
* lvl = ((Y - 2000) & 127) << 4 | M (7 bits for Y, 4 bits for M)
* os_version = ver << 11 | lvl */
uint32_t os_version;
/* operating system version and security patch level; for
* version "A.B.C" and patch level "Y-M-D":
* ver = A << 14 | B << 7 | C (7 bits for each of A, B, C)
* lvl = ((Y - 2000) & 127) << 4 | M (7 bits for Y, 4 bits for M)
* os_version = ver << 11 | lvl */
uint32_t os_version;
uint8_t name[BOOT_NAME_SIZE]; /* asciiz product name */
char name[16]; /* asciiz product name */
uint8_t cmdline[BOOT_ARGS_SIZE];
char cmdline[512];
uint32_t id[8]; /* timestamp / checksum / sha1 / etc */
uint32_t id[8]; /* timestamp / checksum / sha1 / etc */
/* Supplemental command line data; kept here to maintain
* binary compatibility with older versions of mkbootimg */
uint8_t extra_cmdline[BOOT_EXTRA_ARGS_SIZE];
} __attribute__((packed));
/* Supplemental command line data; kept here to maintain
* binary compatibility with older versions of mkbootimg */
char extra_cmdline[1024];
} __attribute__((packed)) boot_img_hdr ;
typedef struct pxa_boot_img_hdr {
char magic[8];
uint32_t kernel_size; /* size in bytes */
uint32_t kernel_addr; /* physical load addr */
uint32_t ramdisk_size; /* size in bytes */
uint32_t ramdisk_addr; /* physical load addr */
uint32_t second_size; /* size in bytes */
uint32_t second_addr; /* physical load addr */
uint32_t extra_size; /* extra blob size in bytes */
uint32_t unknown; /* unknown value */
uint32_t tags_addr; /* physical addr for kernel tags */
uint32_t page_size; /* flash page size we assume */
char name[24]; /* asciiz product name */
char cmdline[512];
uint32_t id[8]; /* timestamp / checksum / sha1 / etc */
/* Supplemental command line data; kept here to maintain
* binary compatibility with older versions of mkbootimg */
char extra_cmdline[1024];
} __attribute__((packed)) pxa_boot_img_hdr;
/*
** +-----------------+
@@ -74,7 +95,7 @@ struct boot_img_hdr
** +-----------------+
** | second stage | o pages
** +-----------------+
** | extra blobs | p pages
** | extra blob | p pages
** +-----------------+
**
** n = (kernel_size + page_size - 1) / page_size
@@ -95,33 +116,47 @@ struct boot_img_hdr
*/
typedef struct mtk_hdr {
uint8_t magic[4]; /* MTK magic */
uint32_t size; /* Size of the content */
uint8_t name[32]; /* The type of the header */
} mtk_hdr;
uint32_t magic; /* MTK magic */
uint32_t size; /* Size of the content */
char name[32]; /* The type of the header */
} __attribute__((packed)) mtk_hdr;
// Flags
#define MTK_KERNEL 0x1
#define MTK_RAMDISK 0x2
#define CHROMEOS_FLAG 0x4
#define MTK_KERNEL 0x01
#define MTK_RAMDISK 0x02
#define CHROMEOS_FLAG 0x04
#define PXA_FLAG 0x08
typedef struct boot_img {
size_t map_size;
uint32_t dt_size;
size_t tail_size;
uint8_t flags;
file_t kernel_type, ramdisk_type;
// Memory map of the whole image
void *map_addr;
size_t map_size;
boot_img_hdr hdr;
mtk_hdr mtk_kernel_hdr, mtk_ramdisk_hdr;
// Headers
void *hdr; /* Either boot_img_hdr or pxa_boot_img_hdr */
mtk_hdr *k_hdr; /* MTK kernel header */
mtk_hdr *r_hdr; /* MTK ramdisk header */
void *map_addr;
void *kernel;
void *dtb;
void *ramdisk;
void *second;
void *extra;
void *tail;
// Flags to indicate the state of current boot image
uint8_t flags;
// The format of kernel and ramdisk
file_t kernel_type;
file_t ramdisk_type;
// Pointer to dtb that is appended after kernel
void *dtb;
uint32_t dt_size;
// Pointer to end of image
void *tail;
size_t tail_size;
// Pointers to blocks defined in header
void *kernel;
void *ramdisk;
void *second;
void *extra;
} boot_img;
#endif