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mmcparts_a9.c
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#include <string.h>
#include "mmcparts_a9.h"
//int mmc_partition_tbl_checksum_calc(struct partitions *part, int part_num);
void init_parts()
{
memset(&g_mmcparts, 0, sizeof(struct mmc_partitions_fmt));
strcpy(g_mmcparts.magic, MMC_PARTITIONS_MAGIC);
struct partitions logo;
strcpy(logo.name, "logo");
logo.size = 0x800000;
logo.offset = 0x2800000;
logo.mask_flags = 0x1;
struct partitions recovery;
strcpy(recovery.name, "recovery");
recovery.size = 0x1800000;
recovery.offset = logo.offset + logo.size;
recovery.mask_flags = 0x1;
struct partitions misc;
strcpy(misc.name, "misc");
misc.size = 0x800000;
misc.offset = recovery.offset + recovery.size;
misc.mask_flags = 0x1;
struct partitions dtbo;
strcpy(dtbo.name, "dtbo");
dtbo.size = 0x800000;
dtbo.offset = misc.offset + misc.size;
dtbo.mask_flags = 0x1;
struct partitions cri_data;
strcpy(cri_data.name, "cri_data");
cri_data.size = 0x800000;
cri_data.offset = dtbo.offset + dtbo.size;
cri_data.mask_flags = 0x1;
struct partitions rsv;
strcpy(rsv.name, "rsv");
rsv.size = 0x1000000;
rsv.offset = cri_data.offset + cri_data.size;
rsv.mask_flags = 0x1;
struct partitions metadata;
strcpy(metadata.name, "metadata");
metadata.size = 0x1000000;
metadata.offset = rsv.offset + rsv.size;
metadata.mask_flags = 0x1;
struct partitions vbmeta;
strcpy(vbmeta.name, "vbmeta");
vbmeta.size = 0x200000;
vbmeta.offset = metadata.offset + metadata.size;
vbmeta.mask_flags = 0x1;
struct partitions param;
strcpy(param.name, "param");
param.size = 0x1000000;
param.offset = vbmeta.offset + vbmeta.size;
param.mask_flags = 0x1;
struct partitions boot;
strcpy(boot.name, "boot");
boot.size = 0x1000000;
boot.offset = param.offset + param.size;
boot.mask_flags = 0x1;
struct partitions tee;
strcpy(tee.name, "tee");
tee.size = 0x2000000;
tee.offset = boot.offset + boot.size;
tee.mask_flags = 0x1;
struct partitions vendor;
strcpy(vendor.name, "vendor");
vendor.size = 0x14000000;
vendor.offset = tee.offset + tee.size;
vendor.mask_flags = 0x1;
struct partitions odm;
strcpy(odm.name, "odm");
odm.size = 0x8000000;
odm.offset = vendor.offset + vendor.size;
odm.mask_flags = 0x1;
struct partitions system;
strcpy(system.name, "system");
system.size = 0x62c00000;
system.offset = odm.offset + odm.size;
system.mask_flags = 0x1;
struct partitions product;
strcpy(product.name, "product");
product.size = 0x8000000;
product.offset = system.offset + system.size;
product.mask_flags = 0x1;
struct partitions cache;
strcpy(cache.name, "cache");
cache.size = 0x46000000;
cache.offset = product.offset + product.size;
cache.mask_flags = 0x2;
struct partitions data;
strcpy(data.name, "data");
//data.size = 0xffffffff;
//data.size = 3470 * SZ_1M;
data.size = 0xe2c00000;
data.offset = cache.offset + cache.size;
data.mask_flags = 0x4;
/*struct partitions ;
strcpy(.name, "");
.size = 0x800000;
.offset = 0;
.mask_flags = 0x1;*/
struct partitions mmc_parts[] = { logo, recovery, misc, dtbo, cri_data, rsv,
metadata, vbmeta, param, boot, tee, vendor, odm, system, product, cache, data };
int mmc_parts_count = 17;
for(int i = 0; i < mmc_parts_count; i++)
{
g_mmcparts.partitions[i] = mmc_parts[i];
}
g_mmcparts.part_num = mmc_parts_count;
g_mmcparts.checksum = mmc_partition_tbl_checksum_calc(mmc_parts, mmc_parts_count);
}
int mmc_partition_tbl_checksum_calc(struct partitions *part, int part_num)
{
int i, j;
uint32_t checksum = 0, *p;
for (i = 0; i < part_num; i++) {
p = (uint32_t *)part;
for (j = sizeof(struct partitions)/sizeof(checksum);
j > 0; j--) {
checksum += *p;
p++;
}
}
return checksum;
}