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file based emummc on emmc

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This commit is contained in:
Christoph Baumann
2025-05-08 01:48:04 +02:00
parent 7521055bec
commit 0a7a004839
7 changed files with 272 additions and 71 deletions
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2
bdk/storage/emummc.c
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@@ -4,6 +4,8 @@
#include <libs/fatfs/ff.h>
#include <gfx_utils.h>
// TODO: fast read/writes
static FIL active_file;
// -0xff: none, -1: boot 0, -2: boot1, 0+: gpp
static s32 active_file_idx;

11
bdk/storage/sdmmc.h
View File

@@ -29,11 +29,12 @@ extern u32 sd_power_cycle_time_start;
typedef enum _sdmmc_type
{
MMC_SD = 0,
MMC_EMMC = 1,
MMC_EMUMMC_FILE = 2,
MMC_EMUMMC_RAW_SD = 3,
MMC_EMUMMC_RAW_EMMC = 4,
MMC_SD = 0,
MMC_EMMC = 1,
MMC_EMUMMC_FILE = 2,
MMC_EMUMMC_RAW_SD = 3,
MMC_EMUMMC_RAW_EMMC = 4,
MMC_EMUMMC_FILE_EMMC = 5,
EMMC_GPP = 0,
EMMC_BOOT0 = 1,

11
bdk/usb/usb_gadget_ums.c
View File

@@ -1926,7 +1926,15 @@ int usb_device_gadget_ums(usb_ctxt_t *usbs)
ums.lun.sdmmc = &emmc_sdmmc;
ums.lun.storage = &emmc_storage;
}else{
}else if(usbs->type == MMC_EMUMMC_FILE_EMMC){
if(!emmc_get_mounted()){
ums.set_text(ums.label, "#FFDD00 Failed to init eMMC!#");
res = 1;
goto init_fail;
}
ums.lun.storage = NULL;
ums.lun.sdmmc = NULL;
} else{
if (!emmc_initialize(false))
{
ums.set_text(ums.label, "#FFDD00 Failed to init eMMC!#");
@@ -1967,6 +1975,7 @@ int usb_device_gadget_ums(usb_ctxt_t *usbs)
ums.lun.num_sectors = ums.lun.storage->sec_cnt;
break;
case MMC_EMUMMC_FILE:
case MMC_EMUMMC_FILE_EMMC:
case MMC_EMUMMC_RAW_SD:
case MMC_EMUMMC_RAW_EMMC:
ums.set_text(ums.label, "#FFDD00 No sector count set for emuMMC!#");