113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
#pragma once
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#include "u_types.h"
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#define FACTORY_PROT 1
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#define THREAD_PROT 2
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#define TASK_PROT 3
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#define LOG_PROT 4
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#define IPC_PROT 5
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#define MM_PROT 6
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#define SYS_PROT 7
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#define FUTEX_PROT 8
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#define IRQ_PROT 9
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#define THREAD_MAIN THREAD_PROT
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#define TASK_THIS TASK_PROT
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//! flags in MSG_TAG
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#define MSG_TAG_KNL_ERR 0x8 //!< 内核代表的错误
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#define MSG_TAG_NO_RELAY 0x4 //!< 不进行回复
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typedef union msg_tag
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{
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umword_t raw;
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struct
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{
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umword_t flags : 4; // 3bit:代表错误由内核报告
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umword_t msg_buf_len : 5;
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umword_t map_buf_len : 2;
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umword_t prot : WORD_BITS - 12;
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};
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} msg_tag_t;
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#define msg_tag_init(r) \
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((msg_tag_t){.raw = (r)})
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#define msg_tag_is_knl_err(tag) (!!((tag).flags & MSG_TAG_KNL_ERR)) //!< 内核错误
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#define msg_tag_init4(fg, msg_words, buf_words, p) ((msg_tag_t){ \
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.flags = (fg), \
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.msg_buf_len = (msg_words), \
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.map_buf_len = (buf_words), \
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.prot = (p)})
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#define msg_tag_get_prot(tag) \
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((int16_t)((tag).prot))
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#define msg_tag_get_val(tag) msg_tag_get_prot(tag)
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typedef union syscall_prot
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{
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umword_t raw;
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struct
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{
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umword_t op : 6; //!< 操作的op
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umword_t prot : 5; //!< 通信的类型
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umword_t self : 1; //!< 如果obj_inx指定为无效，则采用当前thread
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umword_t obj_inx : (WORD_BITS - 12); //!<
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};
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} syscall_prot_t;
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static inline syscall_prot_t syscall_prot_create(uint8_t op, uint8_t prot, obj_handler_t obj_inx)
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{
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return (syscall_prot_t){
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.op = op,
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.prot = prot,
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.obj_inx = obj_inx,
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.self = 0,
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};
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}
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static inline syscall_prot_t syscall_prot_create4(uint8_t op, uint8_t prot, obj_handler_t obj_inx, uint8_t self)
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{
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return (syscall_prot_t){
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.op = op,
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.prot = prot,
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.obj_inx = obj_inx,
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.self = self,
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};
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}
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typedef union vpage
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{
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umword_t raw;
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struct
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{
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umword_t attrs : 4; //!< 权限
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umword_t flags : 8; //!< 保留
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umword_t addr : (WORD_BITS - 12); //!< 地址
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};
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} vpage_t;
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#define VPAGE_FLAGS_MAP 0x1 //!< 是否ipc时立刻映射, 可以在ipc通信时忽略进行ipc，这样不会报错
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static inline vpage_t vpage_create_raw(umword_t raw)
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{
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return (vpage_t){.raw = raw};
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}
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static inline vpage_t vpage_create_raw3(umword_t attrs, umword_t flags, umword_t addr)
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{
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return (vpage_t){.attrs = attrs, .flags = flags, .addr = addr};
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}
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enum knl_obj_type
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{
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BASE_KOBJ_TYPE,
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TASK_TYPE,
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THREAD_TYPE,
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IRQ_SENDER_TYPE,
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IPC_TYPE,
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LOG_TYPE,
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MM_TYPE,
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FACTORY_TYPE,
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SYS_TYPE,
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FUTEX_TYPE,
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};
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