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magiskboot: add SPRD dt support 

- per https://github.com/USA-RedDragon/sprd-mkbootimg-tools/blob/master/dtbtool.c
- touch up hdr and table naming to be more uniform
This commit is contained in:
osm0sis 2019-10-20 21:13:13 -03:00 committed by John Wu
parent a5fc7891a6
commit 1512c350df
1 changed files with 32 additions and 10 deletions
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42
native/jni/magiskboot/dtb.cpp
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@ -17,7 +17,8 @@ using namespace std;
#define QCDT_MAGIC "QCDT"
#define DTBH_MAGIC "DTBH"
#define PXADT_MAGIC "PXA-DT"
#define PXA_19xx_MAGIC "PXA-19xx"
#define PXA19xx_MAGIC "PXA-19xx"
#define SPRD_MAGIC "SPRD"
struct qcdt_hdr {
char magic[4]; /* "QCDT" */
@ -58,19 +59,31 @@ struct bhtable_v2 {
struct pxadt_hdr {
char magic[6]; /* "PXA-DT" */
uint32_t version; /* PXA-DT version */
uint32_t version; /* PXA-* version */
uint32_t num_dtbs; /* Number of DTBs */
} __attribute__((packed));
struct pxa_19xx_hdr {
struct pxa19xx_hdr {
char magic[8]; /* "PXA-19xx" */
uint32_t version; /* PXA-DT version */
uint32_t version; /* PXA-* version */
uint32_t num_dtbs; /* Number of DTBs */
} __attribute__((packed));
struct pxa_table_v1 {
struct pxatable_v1 {
uint32_t cpu_info[2]; /* Some CPU info */
uint32_t offset; /* DTB offset in PXA-DT */
uint32_t offset; /* DTB offset in PXA-* */
uint32_t len; /* DTB size */
} __attribute__((packed));
struct sprd_hdr {
char magic[4]; /* "SPRD" */
uint32_t version; /* SPRD version */
uint32_t num_dtbs; /* Number of DTBs */
} __attribute__((packed));
struct sprdtable_v1 {
uint32_t cpu_info[3]; /* Some CPU info */
uint32_t offset; /* DTB offset in SPRD */
uint32_t len; /* DTB size */
} __attribute__((packed));
@ -358,16 +371,25 @@ static int dtb_patch(const char *in, const char *out) {
switch (hdr->version) {
case 1:
fprintf(stderr, "PXA-DT v1\n");
return dtb_patch<pxa_table_v1>(hdr, in, out);
return dtb_patch<pxatable_v1>(hdr, in, out);
default:
return 1;
}
} else if (MATCH(PXA_19xx_MAGIC)) {
auto hdr = reinterpret_cast<pxa_19xx_hdr *>(dtb);
} else if (MATCH(PXA19xx_MAGIC)) {
auto hdr = reinterpret_cast<pxa19xx_hdr *>(dtb);
switch (hdr->version) {
case 1:
fprintf(stderr, "PXA-19xx v1\n");
return dtb_patch<pxa_table_v1>(hdr, in, out);
return dtb_patch<pxatable_v1>(hdr, in, out);
default:
return 1;
}
} else if (MATCH(SPRD_MAGIC)) {
auto hdr = reinterpret_cast<sprd_hdr *>(dtb);
switch (hdr->version) {
case 1:
fprintf(stderr, "SPRD v1\n");
return dtb_patch<sprdtable_v1>(hdr, in, out);
default:
return 1;
}