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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/kernel/syscalls.H $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2010,2012 */
/* */
/* p1 */
/* */
/* Object Code Only (OCO) source materials */
/* Licensed Internal Code Source Materials */
/* IBM HostBoot Licensed Internal Code */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
/** @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.
*
* @note TASK_MIGRATE_TO_MASTER value must be kept in sync with start.S.
* @note TASK_END value must be kept in sync with start.S.
*/
enum SysCalls
{
/** task_yield() */
TASK_YIELD = 0,
/** task_create() */
TASK_START = 1,
/** task_end() */
TASK_END = 2,
/** task_affinity_migrate_to_master() */
TASK_MIGRATE_TO_MASTER = 3,
/** task_wait() / task_wait_tid() */
TASK_WAIT,
/** 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,
/** dev_map() */
DEV_MAP,
/** dev_unmap() */
DEV_UNMAP,
/** nanosleep() */
TIME_NANOSLEEP,
/** futex_wake() futex_wait() futex_requeue() */
SYS_FUTEX,
/** shutdown() */
MISC_SHUTDOWN,
/** cpu_core_type() */
MISC_CPUCORETYPE,
/** cpu_dd_level() */
MISC_CPUDDLEVEL,
/** cpu_start_core() */
MISC_CPUSTARTCORE,
/** cpu_spr_value() */
MISC_CPUSPRVALUE,
/** cpu_nap() - Hidden syscall */
MISC_CPUNAP,
/** cpu_master_winkle() */
MISC_CPUWINKLE,
/** mm_alloc_block() */
MM_ALLOC_BLOCK,
/** mm_remove_pages() */
MM_REMOVE_PAGES,
/** mm_set_permission() */
MM_SET_PERMISSION,
/** mm_alloc_pages() */
MM_ALLOC_PAGES,
/** mm_virt_to_phys() */
MM_VIRT_TO_PHYS,
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,
/** mmio_scratch_read() */
MMIO_SCRATCH_READ = 0x0802,
/** mmio_scratch_write() */
MMIO_SCRATCH_WRITE = 0x0803,
SYSCALL_FASTPATH_MAX
};
};
#endif
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