property/recv_emc_mode.c

   1 #include <common.h>
   2 #include <android_recovery.h>
   3 #include "../drivers/mmc/card_sdio.h"
   4 #include "asm/arch/sci_types.h"
   5 #include "normal_mode.h"
   6
   7 static char buf[8192];
   8
   9 int get_recovery_message(struct recovery_message *out)
  10 {
  11         block_dev_desc_t *p_block_dev = NULL;
  12         disk_partition_t info;
  13         int size=8192;
  14         p_block_dev = get_dev("mmc", 1);
  15         if(NULL == p_block_dev){
  16                 return -1;
  17         }
  18         if (!get_partition_info_by_name(p_block_dev, L"misc", &info)) {
  19                 if(TRUE !=  Emmc_Read(PARTITION_USER, info.start, size/EMMC_SECTOR_SIZE, (void *)buf)){
  20                         debugf("function: %s emcc read error\n", __FUNCTION__);
  21                         return -1;
  22                 }
  23         }
  24
  25         memcpy(out, buf, sizeof(*out));
  26         return 0;
  27 }
  28
  29 int set_recovery_message(const struct recovery_message *in)
  30 {
  31         block_dev_desc_t *p_block_dev = NULL;
  32         disk_partition_t info;
  33         int size=8192;
  34         p_block_dev = get_dev("mmc", 1);
  35         if(NULL == p_block_dev){
  36                 return -1;
  37         }
  38         if (!get_partition_info_by_name(p_block_dev, L"misc", &info)) {
  39                 memset(buf, 0, sizeof(buf));
  40                 if(TRUE !=  Emmc_Read(PARTITION_USER, info.start, size/EMMC_SECTOR_SIZE, (void *)buf)){
  41                         debugf("function: %s emcc read error\n", __FUNCTION__);
  42                         return -1;
  43                 }
  44                 memcpy((void *)buf, in, sizeof(*in));
  45                 if(TRUE !=  Emmc_Write(PARTITION_USER, info.start, size/EMMC_SECTOR_SIZE, (void *)buf)){
  46                         debugf("function: %s emcc write error\n", __FUNCTION__);
  47                         return -1;
  48                 }
  49         }
  50         return 0;
  51 }