diff options
Diffstat (limited to 'src/include/kernel')
| -rw-r--r-- | src/include/kernel/ppcconsts.S | 1 | ||||
| -rw-r--r-- | src/include/kernel/syscalls.H | 53 |
2 files changed, 50 insertions, 4 deletions
diff --git a/src/include/kernel/ppcconsts.S b/src/include/kernel/ppcconsts.S index ae972f269..38fd5e6e5 100644 --- a/src/include/kernel/ppcconsts.S +++ b/src/include/kernel/ppcconsts.S @@ -102,6 +102,7 @@ .set HDEC,310 .set HSRR0,314 .set HSRR1,315 + .set HMER,336 .set HID0,1008 .set PIR, 1023 diff --git a/src/include/kernel/syscalls.H b/src/include/kernel/syscalls.H index 330db6922..1b87c5019 100644 --- a/src/include/kernel/syscalls.H +++ b/src/include/kernel/syscalls.H @@ -1,36 +1,81 @@ +/** @file syscalls.H + * @brief Defines all the system call IDs to be shared between the kernel and + * the system libc. + */ + #ifndef __KERNEL_SYSCALLS_H #define __KERNEL_SYSCALLS_H namespace Systemcalls { + /** @enum SysCalls + * @brief List of normal system calls and their IDs. + * + * These are passed by userspace code via r3 when the sc instruction is + * executed. The kernel performs a case statement to switch to the + * appropriate system call handler. + */ enum SysCalls { + /** task_yield() */ TASK_YIELD = 0, + /** task_create() */ TASK_START, + /** task_end() */ TASK_END, - TASK_GETTID, - + + /** mutex_create() */ MUTEX_CREATE, + /** mutex_destroy() */ MUTEX_DESTROY, + /** mutex_lock() */ MUTEX_LOCK_CONTESTED, + /** mutex_unlock() */ MUTEX_UNLOCK_CONTESTED, - + + /** msgq_create() */ MSGQ_CREATE, + /** msgq_destroy() */ MSGQ_DESTROY, + /** VFS internal */ MSGQ_REGISTER_ROOT, + /** VFS internal */ MSGQ_RESOLVE_ROOT, - + + /** msg_send() */ MSG_SEND, + /** msg_sendrecv() */ MSG_SENDRECV, + /** msg_respond() */ MSG_RESPOND, + /** msg_wait() */ MSG_WAIT, + /** mmio_map() */ MMIO_MAP, + /** mmio_unmap() */ MMIO_UNMAP, + /** nanosleep() */ TIME_NANOSLEEP, SYSCALL_MAX }; + + /** @enum SysCalls_FastPath + * @brief List of fast-path system calls and their IDs. + * + * @note If any of these change, their handling in start.S must also be + * updated. The ASM code relies on these values. + */ + enum SysCalls_FastPath + { + /** mmio_hmer_read() */ + MMIO_HMER_READ = 0x0800, + /** mmio_hmer_write() */ + MMIO_HMER_WRITE = 0x0801, + + SYSCALL_FASTPATH_MAX + }; }; #endif |
