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partctl

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Leonmmcoset
2026-04-22 22:12:58 +08:00
parent 0fe34d9a09
commit 5573ea1948
13 changed files with 639 additions and 10 deletions
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2
clks/include/clks/syscall.h
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@@ -96,6 +96,8 @@
#define CLKS_SYSCALL_DISK_MOUNT 90ULL
#define CLKS_SYSCALL_DISK_MOUNTED 91ULL
#define CLKS_SYSCALL_DISK_MOUNT_PATH 92ULL
#define CLKS_SYSCALL_DISK_READ_SECTOR 93ULL
#define CLKS_SYSCALL_DISK_WRITE_SECTOR 94ULL
void clks_syscall_init(void);
u64 clks_syscall_dispatch(void *frame_ptr);

47
clks/kernel/runtime/syscall.c
View File

@@ -37,7 +37,8 @@
#define CLKS_SYSCALL_KDBG_STACK_WINDOW_BYTES (128ULL * 1024ULL)
#define CLKS_SYSCALL_KERNEL_SYMBOL_FILE "/system/kernel.sym"
#define CLKS_SYSCALL_KERNEL_ADDR_BASE 0xFFFF800000000000ULL
#define CLKS_SYSCALL_STATS_MAX_ID CLKS_SYSCALL_DISK_MOUNT_PATH
#define CLKS_SYSCALL_STATS_MAX_ID CLKS_SYSCALL_DISK_WRITE_SECTOR
#define CLKS_SYSCALL_DISK_SECTOR_BYTES 512U
#define CLKS_SYSCALL_STATS_RING_SIZE 256U
#define CLKS_SYSCALL_USC_MAX_ALLOWED_APPS 64U
@@ -530,6 +531,40 @@ static u64 clks_syscall_disk_mount_path(u64 arg0, u64 arg1) {
return clks_syscall_copy_text_to_user(arg0, arg1, mount_path, clks_strlen(mount_path));
}
static u64 clks_syscall_disk_read_sector(u64 arg0, u64 arg1) {
u8 sector[CLKS_SYSCALL_DISK_SECTOR_BYTES];
if (arg1 == 0ULL) {
return 0ULL;
}
if (clks_syscall_user_ptr_writable(arg1, (u64)CLKS_SYSCALL_DISK_SECTOR_BYTES) == CLKS_FALSE) {
return 0ULL;
}
if (clks_disk_read_sector(arg0, (void *)sector) == CLKS_FALSE) {
return 0ULL;
}
clks_memcpy((void *)arg1, sector, (usize)CLKS_SYSCALL_DISK_SECTOR_BYTES);
return 1ULL;
}
static u64 clks_syscall_disk_write_sector(u64 arg0, u64 arg1) {
u8 sector[CLKS_SYSCALL_DISK_SECTOR_BYTES];
if (arg1 == 0ULL) {
return 0ULL;
}
if (clks_syscall_user_ptr_readable(arg1, (u64)CLKS_SYSCALL_DISK_SECTOR_BYTES) == CLKS_FALSE) {
return 0ULL;
}
clks_memcpy(sector, (const void *)arg1, (usize)CLKS_SYSCALL_DISK_SECTOR_BYTES);
return (clks_disk_write_sector(arg0, (const void *)sector) == CLKS_TRUE) ? 1ULL : 0ULL;
}
static u64 clks_syscall_fd_open(u64 arg0, u64 arg1, u64 arg2) {
char path[CLKS_SYSCALL_PATH_MAX];
@@ -2061,6 +2096,10 @@ static const char *clks_syscall_usc_syscall_name(u64 id) {
return "DISK_MOUNTED";
case CLKS_SYSCALL_DISK_MOUNT_PATH:
return "DISK_MOUNT_PATH";
case CLKS_SYSCALL_DISK_READ_SECTOR:
return "DISK_READ_SECTOR";
case CLKS_SYSCALL_DISK_WRITE_SECTOR:
return "DISK_WRITE_SECTOR";
default:
return "UNKNOWN";
}
@@ -2094,6 +2133,8 @@ static clks_bool clks_syscall_usc_is_dangerous(u64 id) {
return (CLKS_CFG_USC_SC_RESTART != 0) ? CLKS_TRUE : CLKS_FALSE;
case CLKS_SYSCALL_DISK_FORMAT_FAT32:
return CLKS_TRUE;
case CLKS_SYSCALL_DISK_WRITE_SECTOR:
return CLKS_TRUE;
default:
return CLKS_FALSE;
}
@@ -2613,6 +2654,10 @@ u64 clks_syscall_dispatch(void *frame_ptr) {
return clks_syscall_disk_mounted();
case CLKS_SYSCALL_DISK_MOUNT_PATH:
return clks_syscall_disk_mount_path(frame->rbx, frame->rcx);
case CLKS_SYSCALL_DISK_READ_SECTOR:
return clks_syscall_disk_read_sector(frame->rbx, frame->rcx);
case CLKS_SYSCALL_DISK_WRITE_SECTOR:
return clks_syscall_disk_write_sector(frame->rbx, frame->rcx);
default:
return (u64)-1;
}