mirror of
https://git.planet-casio.com/Lephenixnoir/gint.git
synced 2025-05-18 15:29:16 +02:00
fygue: rework flash initialization + fix mount fail behaviour
This commit is contained in:
Yann MAGNIN
parent
a56d57ad61
commit
fc358c2fb1
10 changed files with 217 additions and 99 deletions
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@ -273,7 +273,7 @@ set(SOURCES
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src/fs/fygue/fygue_file_close.c
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src/fs/fygue/fygue_file_read.c
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src/fs/fygue/fat/cluster.c
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src/fs/fygue/fat/initialize.c
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src/fs/fygue/fat/fat.c
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src/fs/fygue/fat/fat_dir_read.c
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src/fs/fygue/fat/fat_dir_close.c
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src/fs/fygue/fat/fat_dir_stat.c
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@ -285,6 +285,8 @@ set(SOURCES
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src/fs/fygue/fat/sector.c
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src/fs/fygue/flash/cluster.c
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src/fs/fygue/flash/cmap.c
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src/fs/fygue/flash/flash.c
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src/fs/fygue/flash/sector.c
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)
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set(ASSETS_FX src/font5x7.png src/gdb/icons-i1msb.png)
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@ -2,6 +2,7 @@
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** fygue/fat/initialize - FAT initialization
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*/
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#include <string.h>
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#include <errno.h>
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#include <gint/defs/attributes.h>
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@ -61,12 +62,7 @@ static int _fygue_fat_sector0(struct fygue_fat *fat)
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uint8_t *sector;
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int rc;
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rc = fygue_flash_cmap_lsector_get_addr(
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&fat->_flash.cmap,
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(void*)§or,
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0
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);
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if (rc != 0)
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if (fygue_fat_sector_get_addr(fat, (void*)§or, 0) != 0)
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return -1;
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fat->SectorHiddenCount = (
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(sector[0x1c9] << 24) |
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@ -80,8 +76,8 @@ static int _fygue_fat_sector0(struct fygue_fat *fat)
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(sector[0x1cb] << 8) |
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(sector[0x1ca] << 0)
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);
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rc = fygue_flash_cmap_lsector_get_addr(
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&fat->_flash.cmap,
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rc = fygue_fat_sector_get_addr(
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fat,
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&fat->BPB,
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fat->SectorHiddenCount
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);
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@ -149,8 +145,8 @@ static int _fygue_fat_configure(struct fygue_fat *fat)
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/* _fygue_fat_prepare() - prepare logic information */
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static int _fygue_fat_prepare(struct fygue_fat *fat)
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{
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int rc = fygue_flash_cmap_lsector_get_addr(
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&fat->_flash.cmap,
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int rc = fygue_fat_sector_get_addr(
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fat,
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&fat->RootAddr,
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fat->RootSectorID
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);
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@ -169,7 +165,7 @@ int fygue_fat_init_cold(struct fygue_fat *fat)
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if (fat == NULL)
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return -1;
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memset(fat, 0x00, sizeof(struct fygue_fat));
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if (fygue_flash_cmap_init(&fat->_flash.cmap) != 0)
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if (fygue_flash_initialize(&(fat->_flash)) != 0)
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return -2;
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if (
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_fygue_fat_sector0(fat) != 0 ||
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@ -186,5 +182,6 @@ int fygue_fat_init_hot(struct fygue_fat *fat)
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{
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//FIXME: implement
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(void)fat;
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errno = ENOTSUP;
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return -3;
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}
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@ -27,6 +27,7 @@
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#define FYGUE_FAT_ATTR_ARCHIVE 0x20
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/* fygue_fat - fat information */
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// TODO: rename fields
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struct fygue_fat
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{
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enum {
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@ -46,9 +47,7 @@ struct fygue_fat
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int DataSectorID;
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uintptr_t RootAddr;
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uintptr_t BPB;
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struct {
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struct fygue_flash_cmap cmap;
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} _flash;
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struct fygue_flash _flash;
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};
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/* fygue_fat_dirent - FAT dirent information */
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@ -176,7 +175,7 @@ extern int fygue_fat_file_close(
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);
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//---
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// Cluster interface
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// (internal) Cluster interface
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//---
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/* fygue_fat_cluster_get_next() - find the next cluster ID of a file */
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@ -199,6 +198,10 @@ extern int fygue_fat_cluster_get_addr(
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int cluster_id
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);
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//---
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// (internal) Sector interface
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//---
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/* fygue_fat_get_sector_addr() - get logical sector addr */
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extern int fygue_fat_sector_get_addr(
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struct fygue_fat *fat,
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@ -13,11 +13,7 @@ int fygue_fat_sector_get_addr(
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uintptr_t *addr,
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int sector
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) {
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if (fat == NULL)
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if (fat != NULL)
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return fygue_flash_sector_get_addr(&(fat->_flash), addr, sector);
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return -1;
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return fygue_flash_cmap_lsector_get_addr(
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&fat->_flash.cmap,
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addr,
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sector
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);
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}
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@ -42,6 +42,7 @@ struct _bfile_cluster_metadata
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* -1 if the bfile metadata cannot be validated
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* 0 otherwise */
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static int _fygue_flash_cluster_convert(
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struct fygue_flash *flash,
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struct fygue_flash_cluster *fcluster,
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uintptr_t bfile_meta
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) {
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@ -61,53 +62,44 @@ static int _fygue_flash_cluster_convert(
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0xbb, 0xbb, 0xdd, 0xdd,
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0xdd, 0xee, 0xee, 0xee,
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};
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struct _bfile_cluster_metadata *meta[2] = {
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(void*)(bfile_meta | 0xa0000000),
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(void*)(bfile_meta | 0x80000000),
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};
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struct _bfile_cluster_metadata *meta;
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if (fcluster == NULL)
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return -1;
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for (int i = 0 ; i < 2 ; i++)
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{
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meta = (void*)(bfile_meta | 0xa0000000);
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if (
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meta[i]->signature[0] != 0x5a ||
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meta[i]->signature[1] != 0x5a ||
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meta[i]->signature[2] != 0x5a
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meta->signature[0] != 0x5a ||
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meta->signature[1] != 0x5a ||
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meta->signature[2] != 0x5a
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) {
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continue;
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}
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if (
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meta[i]->bitmask[0] != 0x88 &&
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meta[i]->bitmask[0] != 0x22 &&
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meta[i]->bitmask[0] != 0x11
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) {
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continue;
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}
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if (meta[i]->bitmask[1] != 0x0f)
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continue;
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if (meta[i]->bitmask[0] != 0x11 && meta[i]->lcluster_id != 0xffff)
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continue;
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#if GINT_HW_CP
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// on the fxcp400, only some flash sector have the constants used
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// in other device. Casio check an CRC that is performed on the
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// whole cluster
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// TODO: CRC check
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(void)_constant1;
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(void)_constant2;
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#else
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if (
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memcmp(&(meta[i]->constant), _constant1, 0x18) != 0 &&
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memcmp(&(meta[i]->constant), _constant2, 0x18) != 0
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) {
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continue;
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}
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#endif
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fcluster->lcluster_id = meta[i]->lcluster_id;
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fcluster->kind = meta[i]->bitmask[0];
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fcluster->version = meta[i]->fcluster_version;
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return 0;
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}
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return -2;
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}
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if (
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meta->bitmask[0] != 0x88 &&
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meta->bitmask[0] != 0x22 &&
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meta->bitmask[0] != 0x11
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) {
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return -3;
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}
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if (meta->bitmask[1] != 0x0f)
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return -4;
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if (meta->bitmask[0] != 0x11 && meta->lcluster_id != 0xffff)
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return -5;
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// on the fxcp400, have only some flash sector with the constants used
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// in other device. Internally, on the fxcp400, Casio only perform
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// a check an CRC that is performed on the whole cluster
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// TODO: CRC check
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if (
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flash->integrity == FYGUE_FLASH_INTEGRITY_FULL &&
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memcmp(&(meta->constant), _constant1, 0x18) != 0 &&
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memcmp(&(meta->constant), _constant2, 0x18) != 0
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) {
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return -6;
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}
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fcluster->lcluster_id = meta->lcluster_id;
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fcluster->kind = meta->bitmask[0];
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fcluster->version = meta->fcluster_version;
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return 0;
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}
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//---
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@ -125,14 +117,15 @@ static int _fygue_flash_cluster_convert(
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* -1 if the provided address is not valid
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* 0 success */
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int fygue_flash_cluster_geometry(
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struct fygue_flash *flash,
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uintptr_t addr,
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uint16_t *fcluster_id,
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uint16_t *fsector_id,
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uint16_t *fcluster_off
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) {
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if ((addr & 0x0fffffff) < __FYGUE_FSECTOR_START_ADDR)
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if ((addr & 0x0fffffff) < flash->geometry.phy_start)
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return -1;
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addr = (addr & 0x0fffffff) - __FYGUE_FSECTOR_START_ADDR;
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addr = (addr & 0x0fffffff) - flash->geometry.phy_start;
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if (fcluster_id != NULL) {
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*fcluster_id = ((addr & 0xfffe0000) >> 17) * 32;
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*fcluster_id += ((addr & 0x0001ffff) >> 12);
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@ -151,6 +144,7 @@ int fygue_flash_cluster_geometry(
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* -2 if the provided `fline` have invalid Bfile metadata
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* 0 if the meta information has been generated */
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int fygue_flash_cluster_get(
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struct fygue_flash *flash,
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uint16_t fcluster_id,
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struct fygue_flash_cluster *fcluster
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) {
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@ -159,9 +153,9 @@ int fygue_flash_cluster_get(
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int fsector_id;
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int fcluster_off;
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if (fcluster == NULL)
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if (flash == NULL || fcluster == NULL)
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return -1;
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if (fcluster_id >= __FYGUE_FCLUSTER_COUNT)
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if (fcluster_id >= flash->geometry.fcluster_count)
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return -1;
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fsector_id = fcluster_id / 32;
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fcluster_off = fcluster_id % 32;
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@ -171,13 +165,13 @@ int fygue_flash_cluster_get(
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fcluster->lcluster_id = 0xffff;
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fcluster->version = 0xffffffff;
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} else {
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bfile_meta = __FYGUE_FSECTOR_START_ADDR;
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bfile_meta = flash->geometry.phy_start;
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bfile_meta += (fsector_id * 0x20000) + 0x1f000;
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bfile_meta += (fcluster_off * 0x40);
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if (_fygue_flash_cluster_convert(fcluster, bfile_meta) != 0)
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if (_fygue_flash_cluster_convert(flash, fcluster, bfile_meta) != 0)
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return -2;
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}
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bfile_data = __FYGUE_FSECTOR_START_ADDR;
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bfile_data = flash->geometry.phy_start;
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bfile_data += (fsector_id * 0x20000);
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bfile_data += (fcluster_off * 0x1000);
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fcluster->data_p1 = bfile_data | 0xa0000000;
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@ -97,22 +97,33 @@ static int fygue_flash_cmap_update(
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* returns:
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* -1 if the sector 0 is not found
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* 0 success */
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int fygue_flash_cmap_init(struct fygue_flash_cmap *cmap)
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{
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int fygue_flash_cmap_init(
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struct fygue_flash *flash,
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struct fygue_flash_cmap *cmap
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) {
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struct fygue_flash_cluster fcluster;
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int fsector;
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int rc;
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if (cmap == NULL)
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if (flash == NULL || cmap == NULL)
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return -1;
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for (int fsector = 0 ; fsector < __FYGUE_FSECTOR_COUNT ; fsector++)
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{
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if (fygue_flash_cluster_get(fsector * 32, &fcluster) != 0)
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memset(cmap, 0x00, sizeof(struct fygue_flash_cmap));
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for (
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fsector = 0 ;
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fsector < flash->geometry.fsector_count ;
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fsector++
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) {
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if (fygue_flash_cluster_get(flash, fsector * 32, &fcluster) != 0)
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continue;
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if (fcluster.kind != 0x22)
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continue;
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for (int j = 0 ; j < 31 ; j++)
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{
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rc = fygue_flash_cluster_get((fsector * 32) + j, &fcluster);
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rc = fygue_flash_cluster_get(
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flash,
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(fsector * 32) + j,
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&fcluster
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);
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if (rc != 0)
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continue;
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if (fcluster.kind != 0x11)
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@ -129,6 +140,7 @@ int fygue_flash_cmap_init(struct fygue_flash_cmap *cmap)
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/* fygue_flash_cmap_lsector_get_addr() - get logical sector address */
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int fygue_flash_cmap_lsector_get_addr(
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struct fygue_flash *flash,
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struct fygue_flash_cmap *cmap,
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uintptr_t *sector,
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uint16_t lsector_id
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@ -136,7 +148,9 @@ int fygue_flash_cmap_lsector_get_addr(
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uintptr_t fsector_addr;
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uint16_t lcluster_id;
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if (sector == NULL || cmap == NULL || cmap->lcluster == NULL)
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if (flash == NULL || sector == NULL || cmap == NULL)
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return -1;
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if (cmap->lcluster == NULL)
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return -1;
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lcluster_id = lsector_id / 8;
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if (
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63
src/fs/fygue/flash/flash.c
Normal file
63
src/fs/fygue/flash/flash.c
Normal file
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@ -0,0 +1,63 @@
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#include <string.h>
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#include <errno.h>
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#include <gint/hardware.h>
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#include "flash.h"
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//---
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// Internals
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//---
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/* _fygue_flash_hw_detect(): detect flash hardware information
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*
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* notes
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* we cannot easily detect the exact geometry of the flash for the Fugue
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* FS. For now, simply pseudo-detect hardware information and setup
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* hardcoded information */
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// TODO: support CRC check and try each flash sector until one work ?
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// TODO: cluster integrity check seems change between device (?)
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static int _fygue_flash_hw_detect(struct fygue_flash *flash)
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{
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switch (gint[HWCALC])
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{
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case HWCALC_FXCP400:
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flash->geometry.phy_start = 0x01a20000;
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flash->geometry.fsector_count = 0xf2;
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flash->integrity = FYGUE_FLASH_INTEGRITY_PARTIAL;
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break;
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case HWCALC_G35PE2:
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flash->geometry.phy_start = 0x003f0000;
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flash->geometry.fsector_count = 0x00;
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flash->integrity = FYGUE_FLASH_INTEGRITY_FULL;
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break;
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case HWCALC_FXCG50:
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flash->geometry.phy_start = 0x00c80000;
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flash->geometry.fsector_count = 0x9c;
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flash->integrity = FYGUE_FLASH_INTEGRITY_FULL;
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break;
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default:
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errno = ENOTSUP;
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return -1;
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}
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flash->geometry.fcluster_count = flash->geometry.fsector_count * 32;
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flash->geometry.size = flash->geometry.fsector_count * 0x20000;
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flash->geometry.phy_end = flash->geometry.phy_start;
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flash->geometry.phy_end += flash->geometry.size;
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return 0;
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}
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//---
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// Public
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//---
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/* fygue_flash_initialize(): init flash abstraction */
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int fygue_flash_initialize(struct fygue_flash *flash)
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{
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if (flash == NULL)
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return -1;
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memset(flash, 0x00, sizeof(struct fygue_flash));
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if (_fygue_flash_hw_detect(flash) != 0)
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return -2;
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if (fygue_flash_cmap_init(flash, &(flash->cmap)) != 0)
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return -3;
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return 0;
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}
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@ -4,18 +4,6 @@
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#include <gint/defs/types.h>
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#include <gint/config.h>
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/* __FYGUE_* - hardcoded fygue information */
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//FIXME: change between OS version ?
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#if GINT_HW_CP
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# define __FYGUE_FSECTOR_START_ADDR (0x01a20000)
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# define __FYGUE_FSECTOR_COUNT (0xf2)
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# define __FYGUE_FCLUSTER_COUNT (__FYGUE_FSECTOR_COUNT * 32)
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#else
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# define __FYGUE_FSECTOR_START_ADDR (0x00c80000)
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# define __FYGUE_FSECTOR_COUNT (0x9c)
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# define __FYGUE_FCLUSTER_COUNT (__FYGUE_FSECTOR_COUNT * 32)
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#endif
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/* fygue_fcluster - generic flash cluster information */
|
||||
struct fygue_flash_cluster
|
||||
{
|
||||
|
|
@ -45,22 +33,61 @@ struct fygue_flash_cmap
|
|||
int lcluster_id_max;
|
||||
};
|
||||
|
||||
// cluster map interface
|
||||
struct fygue_flash
|
||||
{
|
||||
struct {
|
||||
uintptr_t phy_start;
|
||||
uintptr_t phy_end;
|
||||
size_t size;
|
||||
int fsector_count;
|
||||
int fcluster_count;
|
||||
} geometry;
|
||||
enum {
|
||||
FYGUE_FLASH_INTEGRITY_FULL,
|
||||
FYGUE_FLASH_INTEGRITY_PARTIAL,
|
||||
} integrity;
|
||||
struct fygue_flash_cmap cmap;
|
||||
};
|
||||
|
||||
//---
|
||||
// (public) Flash interface
|
||||
//---
|
||||
|
||||
/* fygue_flash_initialize(): init flash abstraction */
|
||||
extern int fygue_flash_initialize(struct fygue_flash *flash);
|
||||
|
||||
/* fygue_flash_sector_get_addr(): return the logical sector address */
|
||||
extern int fygue_flash_sector_get_addr(
|
||||
struct fygue_flash *flash,
|
||||
uintptr_t *sector_addr,
|
||||
uint16_t sector_id
|
||||
);
|
||||
|
||||
//---
|
||||
// (internal) cluster map interface
|
||||
//---
|
||||
|
||||
/* fygue_flash_cmap_init() - initialize the fcluster redirection map */
|
||||
extern int fygue_flash_cmap_init(struct fygue_flash_cmap *cmap);
|
||||
extern int fygue_flash_cmap_init(
|
||||
struct fygue_flash *flash,
|
||||
struct fygue_flash_cmap *cmap
|
||||
);
|
||||
|
||||
/* fygue_flash_cmap_lsector_get_addr() - get logical sector address */
|
||||
extern int fygue_flash_cmap_lsector_get_addr(
|
||||
struct fygue_flash *flash,
|
||||
struct fygue_flash_cmap *cmap,
|
||||
uintptr_t *sector,
|
||||
uint16_t lsector_id
|
||||
);
|
||||
|
||||
// cluster interface
|
||||
//---
|
||||
// (internal) cluster interface
|
||||
//---
|
||||
|
||||
/* fygue_flash_cluster_geometry() - get geometry information */
|
||||
extern int fygue_flash_cluster_geometry(
|
||||
struct fygue_flash *flash,
|
||||
uintptr_t addr,
|
||||
uint16_t *fcluster_id,
|
||||
uint16_t *fsector_id,
|
||||
|
|
@ -69,6 +96,7 @@ extern int fygue_flash_cluster_geometry(
|
|||
|
||||
/* fygue_flash_cluster_get() - get cluster information */
|
||||
extern int fygue_flash_cluster_get(
|
||||
struct fygue_flash *flash,
|
||||
uint16_t fcluster_id,
|
||||
struct fygue_flash_cluster *fcluster
|
||||
);
|
||||
|
|
|
|||
17
src/fs/fygue/flash/sector.c
Normal file
17
src/fs/fygue/flash/sector.c
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
#include "flash.h"
|
||||
|
||||
/* fygue_flash_sector_get_addr(): return the logical sector address */
|
||||
int fygue_flash_sector_get_addr(
|
||||
struct fygue_flash *flash,
|
||||
uintptr_t *sector_addr,
|
||||
uint16_t sector_id
|
||||
) {
|
||||
if (flash == NULL || sector_addr == NULL)
|
||||
return -1;
|
||||
return fygue_flash_cmap_lsector_get_addr(
|
||||
flash,
|
||||
&(flash->cmap),
|
||||
sector_addr,
|
||||
sector_id
|
||||
);
|
||||
}
|
||||
|
|
@ -13,6 +13,7 @@ static struct fygue_fsinfo *__fygue_fsinfo = NULL;
|
|||
// Primitives
|
||||
//---
|
||||
|
||||
|
||||
/* fygue_mount() - mount (if needed) and return the filesystem information
|
||||
*
|
||||
* notes
|
||||
|
|
@ -21,14 +22,17 @@ int fygue_mount(struct fygue_fsinfo **fsinfo, bool refresh)
|
|||
{
|
||||
if (fsinfo == NULL)
|
||||
return -1;
|
||||
*fsinfo = NULL;
|
||||
if (__fygue_fsinfo == NULL)
|
||||
{
|
||||
*fsinfo = NULL;
|
||||
__fygue_fsinfo = calloc(1, sizeof(struct fygue_fsinfo));
|
||||
if (__fygue_fsinfo == NULL)
|
||||
return -2;
|
||||
if (fygue_fat_init_cold(&(__fygue_fsinfo->fat)) != 0)
|
||||
if (fygue_fat_init_cold(&(__fygue_fsinfo->fat)) != 0) {
|
||||
free(__fygue_fsinfo);
|
||||
__fygue_fsinfo = NULL;
|
||||
return -3;
|
||||
}
|
||||
__fygue_fsinfo->dirty = false;
|
||||
}
|
||||
if (refresh && __fygue_fsinfo->dirty) {
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue