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ramdisk: Sypport variable size

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CTCaer 2021-02-06 04:15:19 +02:00
parent a25c82a8ce
commit a31bedda97
6 changed files with 44 additions and 23 deletions
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39
bdk/storage/ramdisk.c
View file

@ -1,7 +1,7 @@
/*
* Ramdisk driver for Tegra X1
*
* Copyright (c) 2019 CTCaer
* Copyright (c) 2019-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -19,23 +19,40 @@
#include <string.h>
#include "ramdisk.h"
#include <libs/fatfs/diskio.h>
#include <mem/heap.h>
#include <utils/types.h>
#include <memory_map.h>
int ram_disk_init(FATFS *ram_fs)
static u32 disk_size = 0;
int ram_disk_init(FATFS *ram_fs, u32 ramdisk_size)
{
int res;
u8 *buf = malloc(0x400000);
int res = 0;
disk_size = ramdisk_size;
f_mount(NULL, "ram:", 1); // Unmount ramdisk.
// If ramdisk is not raw, format it.
if (ram_fs)
{
u8 *buf = malloc(0x400000);
res = f_mkfs("ram:", FM_EXFAT, RAMDISK_CLUSTER_SZ, buf, 0x400000); // Format as exFAT w/ 32KB cluster.
if (!res)
res = f_mount(ram_fs, "ram:", 1); // Mount ramdisk.
// Set ramdisk size.
ramdisk_size >>= 9;
disk_set_info(DRIVE_RAM, SET_SECTOR_COUNT, &ramdisk_size);
free(buf);
// Unmount ramdisk.
f_mount(NULL, "ram:", 1);
// Format as exFAT w/ 32KB cluster with no MBR.
res = f_mkfs("ram:", FM_EXFAT | FM_SFD, RAMDISK_CLUSTER_SZ, buf, 0x400000);
// Mount ramdisk.
if (!res)
res = f_mount(ram_fs, "ram:", 1);
free(buf);
}
return res;
}
@ -45,7 +62,7 @@ int ram_disk_read(u32 sector, u32 sector_count, void *buf)
u32 sector_off = RAM_DISK_ADDR + (sector << 9);
u32 bytes_count = sector_count << 9;
if ((sector_off - RAM_DISK_ADDR) > RAM_DISK_SZ)
if ((sector_off - RAM_DISK_ADDR) > disk_size)
return 1;
memcpy(buf, (void *)sector_off, bytes_count);
@ -58,7 +75,7 @@ int ram_disk_write(u32 sector, u32 sector_count, const void *buf)
u32 sector_off = RAM_DISK_ADDR + (sector << 9);
u32 bytes_count = sector_count << 9;
if ((sector_off - RAM_DISK_ADDR) > RAM_DISK_SZ)
if ((sector_off - RAM_DISK_ADDR) > disk_size)
return 1;
memcpy((void *)sector_off, buf, bytes_count);

4
bdk/storage/ramdisk.h
View file

@ -1,7 +1,7 @@
/*
* Ramdisk driver for Tegra X1
*
* Copyright (c) 2019 CTCaer
* Copyright (c) 2019-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -23,7 +23,7 @@
#define RAMDISK_CLUSTER_SZ 32768
int ram_disk_init(FATFS *ram_fs);
int ram_disk_init(FATFS *ram_fs, u32 ramdisk_size);
int ram_disk_read(u32 sector, u32 sector_count, void *buf);
int ram_disk_write(u32 sector, u32 sector_count, const void *buf);

2
nyx/nyx_gui/frontend/gui_options.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2019 CTCaer
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,

2
nyx/nyx_gui/frontend/gui_tools_partition_manager.c
View file

@ -1366,7 +1366,7 @@ static lv_res_t _create_mbox_start_partitioning(lv_obj_t *btn)
lv_label_set_text(lbl_paths[0], "Please wait...");
lv_obj_align(mbox, NULL, LV_ALIGN_CENTER, 0, 0);
manual_system_maintenance(true);
if (ram_disk_init(&ram_fs))
if (ram_disk_init(&ram_fs, RAM_DISK_SZ))
{
lv_label_set_text(lbl_status, "#FFDD00 Error:# Failed to initialize Ramdisk!");
goto error;

18
nyx/nyx_gui/libs/fatfs/diskio.c
View file

@ -16,6 +16,8 @@
#include <storage/ramdisk.h>
#include <storage/sdmmc.h>
static u32 sd_rsvd_sectors = 0;
static u32 ramdisk_sectors = 0;
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
@ -88,7 +90,6 @@ DRESULT disk_write (
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
static u32 part_rsvd_size = 0;
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
@ -102,7 +103,7 @@ DRESULT disk_ioctl (
switch (cmd)
{
case GET_SECTOR_COUNT:
*buf = sd_storage.sec_cnt - part_rsvd_size;
*buf = sd_storage.sec_cnt - sd_rsvd_sectors;
break;
case GET_BLOCK_SIZE:
*buf = 32768; // Align to 16MB.
@ -114,7 +115,7 @@ DRESULT disk_ioctl (
switch (cmd)
{
case GET_SECTOR_COUNT:
*buf = RAM_DISK_SZ >> 9; // 1GB.
*buf = ramdisk_sectors;
break;
case GET_BLOCK_SIZE:
*buf = 2048; // Align to 1MB.
@ -133,12 +134,15 @@ DRESULT disk_set_info (
{
DWORD *buf = (DWORD *)buff;
if (pdrv == DRIVE_SD)
if (cmd == SET_SECTOR_COUNT)
{
switch (cmd)
switch (pdrv)
{
case SET_SECTOR_COUNT:
part_rsvd_size = *buf;
case DRIVE_SD:
sd_rsvd_sectors = *buf;
break;
case DRIVE_RAM:
ramdisk_sectors = *buf;
break;
}
}

2
nyx/nyx_gui/storage/nx_sd.c
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2019 CTCaer
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,