mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-30 22:26:10 +00:00
220 lines
8 KiB
C
220 lines
8 KiB
C
/**
|
|
* @file svc.h
|
|
* @brief Wrappers for kernel syscalls.
|
|
* @copyright libnx Authors
|
|
*/
|
|
#pragma once
|
|
#include "../utils/types.h"
|
|
|
|
/// Memory information structure.
|
|
typedef struct {
|
|
u64 addr; ///< Base address.
|
|
u64 size; ///< Size.
|
|
u32 type; ///< Memory type (see lower 8 bits of \ref MemoryState).
|
|
u32 attr; ///< Memory attributes (see \ref MemoryAttribute).
|
|
u32 perm; ///< Memory permissions (see \ref Permission).
|
|
u32 device_refcount; ///< Device reference count.
|
|
u32 ipc_refcount; ///< IPC reference count.
|
|
u32 padding; ///< Padding.
|
|
} MemoryInfo;
|
|
|
|
/// Memory permission bitmasks.
|
|
typedef enum {
|
|
Perm_None = 0, ///< No permissions.
|
|
Perm_R = BIT(0), ///< Read permission.
|
|
Perm_W = BIT(1), ///< Write permission.
|
|
Perm_X = BIT(2), ///< Execute permission.
|
|
Perm_Rw = Perm_R | Perm_W, ///< Read/write permissions.
|
|
Perm_Rx = Perm_R | Perm_X, ///< Read/execute permissions.
|
|
Perm_DontCare = BIT(28), ///< Don't care
|
|
} Permission;
|
|
|
|
/// Secure monitor arguments.
|
|
typedef struct {
|
|
u64 X[8]; ///< Values of X0 through X7.
|
|
} SecmonArgs;
|
|
|
|
_Static_assert(sizeof(SecmonArgs) == 0x40, "SecmonArgs definition");
|
|
|
|
#define DeviceName_SDMMC1A 19
|
|
#define DeviceName_SDMMC2A 20
|
|
#define DeviceName_SDMMC3A 21
|
|
#define DeviceName_SDMMC4A 22
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Returns a virtual address mapped to a given IO range.
|
|
* @return Result code.
|
|
* @note Syscall number 0x55.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
* @warning Only exists on [10.0.0+]. For older versions use \ref svcLegacyQueryIoMapping.
|
|
*/
|
|
Result svcQueryIoMapping(u64* virtaddr, u64* out_size, u64 physaddr, u64 size);
|
|
|
|
/**
|
|
* @brief Returns a virtual address mapped to a given IO range.
|
|
* @return Result code.
|
|
* @note Syscall number 0x55.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
* @warning Only exists on [1.0.0-9.2.0]. For newer versions use \ref svcQueryIoMapping.
|
|
*/
|
|
Result svcLegacyQueryIoMapping(u64* virtaddr, u64 physaddr, u64 size);
|
|
|
|
/**
|
|
* @brief Attaches a device address space to a device.
|
|
* @return Result code.
|
|
* @note Syscall number 0x57.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
*/
|
|
Result svcAttachDeviceAddressSpace(u64 device, Handle handle);
|
|
|
|
/**
|
|
* @brief Query information about an address. Will always fetch the lowest page-aligned mapping that contains the provided address.
|
|
* @param[out] meminfo_ptr \ref MemoryInfo structure which will be filled in.
|
|
* @param[out] pageinfo Page information which will be filled in.
|
|
* @param[in] addr Address to query.
|
|
* @return Result code.
|
|
* @note Syscall number 0x06.
|
|
*/
|
|
Result svcQueryMemory(MemoryInfo* meminfo_ptr, u32 *pageinfo, u64 addr);
|
|
|
|
/**
|
|
* @brief Sets the memory permissions for the specified memory with the supplied process handle.
|
|
* @param[in] proc Process handle.
|
|
* @param[in] addr Address of the memory.
|
|
* @param[in] size Size of the memory.
|
|
* @param[in] perm Permissions (see \ref Permission).
|
|
* @return Result code.
|
|
* @remark This returns an error (0xD801) when \p perm is >0x5, hence -WX and RWX are not allowed.
|
|
* @note Syscall number 0x73.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
*/
|
|
Result svcSetProcessMemoryPermission(Handle proc, u64 addr, u64 size, u32 perm);
|
|
|
|
/**
|
|
* @brief Set the memory permissions of a (page-aligned) range of memory.
|
|
* @param[in] addr Start address of the range.
|
|
* @param[in] size Size of the range, in bytes.
|
|
* @param[in] perm Permissions (see \ref Permission).
|
|
* @return Result code.
|
|
* @remark Perm_X is not allowed. Setting write-only is not allowed either (Perm_W).
|
|
* This can be used to move back and forth between Perm_None, Perm_R and Perm_Rw.
|
|
* @note Syscall number 0x01.
|
|
*/
|
|
Result svcSetMemoryPermission(void* addr, u64 size, u32 perm);
|
|
|
|
/**
|
|
* @brief Creates a thread.
|
|
* @return Result code.
|
|
* @note Syscall number 0x08.
|
|
*/
|
|
Result svcCreateThread(Handle* out, void* entry, void* arg, void* stack_top, int prio, int cpuid);
|
|
|
|
/**
|
|
* @brief Starts a freshly created thread.
|
|
* @return Result code.
|
|
* @note Syscall number 0x09.
|
|
*/
|
|
Result svcStartThread(Handle handle);
|
|
|
|
/**
|
|
* @brief Exits the current thread.
|
|
* @note Syscall number 0x0A.
|
|
*/
|
|
void __attribute__((noreturn)) svcExitThread(void);
|
|
|
|
/**
|
|
* @brief Closes a handle, decrementing the reference count of the corresponding kernel object.
|
|
* This might result in the kernel freeing the object.
|
|
* @param handle Handle to close.
|
|
* @return Result code.
|
|
* @note Syscall number 0x16.
|
|
*/
|
|
Result svcCloseHandle(Handle handle);
|
|
|
|
/**
|
|
* @brief Waits on one or more synchronization objects, optionally with a timeout.
|
|
* @return Result code.
|
|
* @note Syscall number 0x18.
|
|
* @note \p handleCount must not be greater than \ref MAX_WAIT_OBJECTS. This is a Horizon kernel limitation.
|
|
* @note This is the raw syscall, which can be cancelled by \ref svcCancelSynchronization or other means. \ref waitHandles or \ref waitMultiHandle should normally be used instead.
|
|
*/
|
|
Result svcWaitSynchronization(s32* index, const Handle* handles, s32 handleCount, u64 timeout);
|
|
|
|
/**
|
|
* @brief Waits on a single synchronization object, optionally with a timeout.
|
|
* @return Result code.
|
|
* @note Wrapper for \ref svcWaitSynchronization.
|
|
* @note This is the raw syscall, which can be cancelled by \ref svcCancelSynchronization or other means. \ref waitSingleHandle should normally be used instead.
|
|
*/
|
|
static inline Result svcWaitSynchronizationSingle(Handle handle, u64 timeout) {
|
|
s32 tmp;
|
|
return svcWaitSynchronization(&tmp, &handle, 1, timeout);
|
|
}
|
|
|
|
/**
|
|
* @brief Creates an IPC session.
|
|
* @return Result code.
|
|
* @note Syscall number 0x40.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
*/
|
|
Result svcCreateSession(Handle *server_handle, Handle *client_handle, u32 unk0, u64 unk1);//unk* are normally 0?
|
|
|
|
/**
|
|
* @brief Sends an IPC synchronization request to a session.
|
|
* @return Result code.
|
|
* @note Syscall number 0x21.
|
|
*/
|
|
Result svcSendSyncRequest(Handle session);
|
|
|
|
/**
|
|
* @brief Performs IPC input/output.
|
|
* @return Result code.
|
|
* @note Syscall number 0x43.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
*/
|
|
Result svcReplyAndReceive(s32* index, const Handle* handles, s32 handleCount, Handle replyTarget, u64 timeout);
|
|
|
|
/**
|
|
* @brief Maps the src address from the supplied process handle into the current process.
|
|
* @param[in] dst Address to which map the memory in the current process.
|
|
* @param[in] proc Process handle.
|
|
* @param[in] src Source mapping address.
|
|
* @param[in] size Size of the memory.
|
|
* @return Result code.
|
|
* @remark This allows mapping code and rodata with RW- permission.
|
|
* @note Syscall number 0x74.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
*/
|
|
Result svcMapProcessMemory(void* dst, Handle proc, u64 src, u64 size);
|
|
|
|
/**
|
|
* @brief Undoes the effects of \ref svcMapProcessMemory.
|
|
* @param[in] dst Destination mapping address
|
|
* @param[in] proc Process handle.
|
|
* @param[in] src Address of the memory in the process.
|
|
* @param[in] size Size of the memory.
|
|
* @return Result code.
|
|
* @remark This allows mapping code and rodata with RW- permission.
|
|
* @note Syscall number 0x75.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
*/
|
|
Result svcUnmapProcessMemory(void* dst, Handle proc, u64 src, u64 size);
|
|
|
|
/**
|
|
* @brief Calls a secure monitor function (TrustZone, EL3).
|
|
* @param regs Arguments to pass to the secure monitor.
|
|
* @return Return value from the secure monitor.
|
|
* @note Syscall number 0x7F.
|
|
* @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
|
|
*/
|
|
u64 svcCallSecureMonitor(SecmonArgs* regs);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
///@}
|