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libc: add disk management syscalls and expanded stdio support

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boreddevnl
2026-05-08 21:04:35 +02:00
parent 91edd3bc78
commit 5ae8c56d40
6 changed files with 382 additions and 95 deletions
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48
src/userland/libc/syscall.h
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@@ -3,6 +3,7 @@
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
// Standard syscalls available from Kernel mode
#define SYS_EXIT 0
@@ -241,4 +242,51 @@ void sys_yield(void);
int sys_get_elf_metadata(const char *path, boredos_app_metadata_t *out_metadata);
int sys_get_elf_primary_image(const char *path, char *out_path, size_t out_path_size);
// Disk Management Syscalls
#define SYSTEM_CMD_DISK_GET_COUNT 100
#define SYSTEM_CMD_DISK_GET_INFO 101
#define SYSTEM_CMD_DISK_MOUNT 105
#define SYSTEM_CMD_DISK_UMOUNT 106
#define SYSTEM_CMD_DISK_RESCAN 107
#define SYSTEM_CMD_DISK_SYNC 109
#define SYSTEM_CMD_DISK_WRITE_GPT 102
#define SYSTEM_CMD_DISK_WRITE_MBR 103
#define SYSTEM_CMD_DISK_MKFS_FAT32 104
#define SYSTEM_CMD_DISK_REPLACE_KERNEL 108
typedef struct {
char devname[16];
char label[32];
uint32_t type;
uint32_t total_sectors;
bool is_partition;
bool is_fat32;
bool is_esp;
uint32_t lba_offset;
} disk_info_t;
typedef struct {
uint32_t lba_start;
uint32_t sector_count;
uint8_t part_type;
uint8_t flags;
char label[36];
} partition_spec_t;
#define PART_FLAG_ESP 0x01
#define MIN_INSTALL_SECTORS 2097152
int sys_disk_get_count(void);
int sys_disk_get_info(int index, disk_info_t *out);
int sys_disk_write_gpt(const char *devname, partition_spec_t *parts, int count);
int sys_disk_write_mbr(const char *devname, partition_spec_t *parts, int count);
int sys_disk_mkfs_fat32(const char *devname, const char *label);
int sys_disk_mount(const char *devname, const char *mountpoint);
int sys_disk_umount(const char *mountpoint);
int sys_disk_sync(const char *mountpoint);
int sys_disk_rescan(const char *devname);
int sys_disk_replace_kernel(const char *src_path, const char *esp_mountpoint);
#endif