通用缩写
本页单独撷取了部分极其常用的缩写及相关缩写片段
| 缩写 |
全称 |
备注 |
pa |
physical address |
|
va |
virtual address |
|
tf |
trap frame |
|
asid |
address identifier |
|
pgdir |
page_directory |
|
off |
offset |
|
ident |
identifier |
|
IO 相关缩写对应表
| 缩写 |
全称 |
源文件 |
备注 |
outputk |
output (kernel) |
kern/printk.c |
|
printk |
print (kernel) |
kern/printk.c |
|
printcharc |
print char console |
include/drivers/console.h |
|
scancharc |
scan char console |
include/drivers/console.h |
|
fmt_callback_t |
format callback type |
include/print.h |
|
vprintfmt |
variadic print format |
include/print.h |
|
Elf 相关缩写对应表
Elf 全称为 Executable and Linkable Format ，在如下的缩写-全称对应中不做展开
ELF 数据类型相关缩写
| 缩写 |
全称 |
源文件 |
备注 |
Elf32_Half |
elf32 half word |
include/elf.h |
|
Elf32_Sword |
elf32 signed word |
include/elf.h |
|
Elf32_Xword |
elf32 extended word |
include/elf.h |
|
Elf32_Sxword |
elf32 signed extended word |
include/elf.h |
|
Elf32_Addr |
elf32 address |
include/elf.h |
|
Elf32_Off |
elf32 offset |
include/elf.h |
|
Elf32_Symndx |
elf32 symbol index |
include/elf.h |
|
对于 elf 相关缩写，以 ‘e_’ 开头的常见缩写中 ‘e_’ 大部分表示 ‘elf’，由于篇幅限制，该类缩写部分省略
| 缩写 |
全称 |
源文件 |
备注 |
EI_NIDENT |
elf index number of identifier |
include/elf.h |
|
e_phoff |
elf program offset |
include/elf.h |
Elf32_Ehdr 结构体成员 |
e_shoff |
elf section header offset |
include/elf.h |
Elf32_Ehdr 结构体成员 |
e_ehsize |
elf header size |
include/elf.h |
Elf32_Ehdr 结构体成员 |
e_phentsize |
elf program header table entry size |
include/elf.h |
Elf32_Ehdr 结构体成员 |
e_phnum |
elf program header table entry number |
include/elf.h |
Elf32_Ehdr 结构体成员 |
e_shentsize |
elf section header table entry size |
include/elf.h |
Elf32_Ehdr 结构体成员 |
e_shnum |
elf section header table entry number |
include/elf.h |
Elf32_Ehdr 结构体成员 |
e_shstrndx |
elf section header string table index |
include/elf.h |
Elf32_Ehdr 结构体成员 |
Elf32_Ehdr |
elf32 elf header |
include/elf.h |
|
EI_MAG0 |
elf index magic 0 |
include/elf.h |
|
ELFMAG0 |
elf magic 0 |
include/elf.h |
|
EI_MAG1 |
elf index magic 1 |
include/elf.h |
|
ELFMAG1 |
elf magic 1 |
include/elf.h |
|
EI_MAG2 |
elf index magic 2 |
include/elf.h |
|
ELFMAG2 |
elf magic 2 |
include/elf.h |
|
EI_MAG3 |
elf index magic 3 |
include/elf.h |
|
ELFMAG3 |
elf magic 3 |
include/elf.h |
|
对于 elf 相关缩写，以 ‘p_’ 开头的常见缩写中 ‘p_’ 大部分表示 ‘program’ ，由于篇幅限制，该类缩写部分省略
| 缩写 |
全称 |
源文件 |
备注 |
p_vaddr |
program virtual address |
include/elf.h |
Elf32_Phdr 结构体成员 |
p_paddr |
program physical address |
include/elf.h |
Elf32_Phdr 结构体成员 |
p_filesz |
program file size |
include/elf.h |
Elf32_Phdr 结构体成员 |
p_memsz |
program memory size |
include/elf.h |
Elf32_Phdr 结构体成员 |
Elf32_Phdr |
elf32 program header |
include/elf.h |
|
ELF 工具函数及宏相关缩写
| 缩写 |
全称 |
源文件 |
备注 |
elf_mapper_t |
elf mapper type |
include/elf.h |
|
perm |
permission |
include/elf.h |
elf_mapper_t 函数指针形参 |
elf_load_seg |
elf load segment |
include/elf.h |
|
ph |
program header |
include/elf.h |
elf_load_seg 函数形参 |
bin |
binary |
include/elf.h |
elf_load_seg 函数形参 |
ELF_FOREACH_PHDR_OFF |
elf for each program header offset |
include/elf.h |
|
ph_off |
program header offset |
include/elf.h |
ELF_FOREACH_PHDR_OFF 宏参数 |
_ph_idx |
program header index |
include/elf.h |
ELF_FOREACH_PHDR_OFF 宏局部变量 |
bin_size |
binary file size |
lib/elfloader.c |
elf_load_seg 函数局部变量 |
sgsize |
segment size |
lib/elfloader.c |
elf_load_seg 函数局部变量 |
地址相关缩写对应表
| 缩写 |
全称 |
源文件 |
备注 |
KERNBASE |
kernel base |
include/mmu.h |
|
KSTACKTOP |
kernel stack top |
include/mmu.h |
|
ULIM |
user limit |
include/mmu.h |
|
UVPT |
user virtual page table |
include/mmu.h |
|
UPAGES |
user pages |
include/mmu.h |
|
UENVS |
user envs |
include/mmu.h |
|
UTOP |
user top |
include/mmu.h |
|
UXSTACKTOP |
user exception stack top |
include/mmu.h |
|
USTACKTOP |
user stack top |
include/mmu.h |
|
UTEXT |
user text |
include/mmu.h |
|
UCOW |
user copy on write |
include/mmu.h |
|
UTEMP |
user temp |
include/mmu.h |
|
PADDR |
physical address |
include/mmu.h |
|
KADDR |
kernal address |
include/mmu.h |
|
TRUP |
truncate user pointer |
include/mmu.h |
|
内存管理相关缩写对应表
| 缩写 |
全称 |
源文件 |
备注 |
pp_ref |
physical page reference |
include/pmap.h |
Page 结构体成员 |
page2ppn |
page to physical page number |
include/pmap.h |
|
pp |
physical page |
include/pmap.h |
page2ppn 函数形参 |
page2pa |
page to physical address |
include/pmap.h |
|
pa2page |
physical address to page |
include/pmap.h |
|
page2kva |
page to kernel virtual address |
include/pmap.h |
|
va2page |
virtual address to page |
include/pmap.h |
|
page_decref |
page decrease reference |
include/pmap.h |
|
BY2PG |
bytes to per page |
include/mmu.h |
|
PDMAP |
page directory map |
include/mmu.h |
|
PGSHIFT |
page shift |
include/mmu.h |
|
PDSHIFT |
page directory shift |
include/mmu.h |
|
PDX |
page directory index |
include/mmu.h |
|
PTX |
page table index |
include/mmu.h |
|
PTE_ADDR |
page table entry address |
include/mmu.h |
|
PPN |
physical page number |
include/mmu.h |
|
VPN |
virtual page number |
include/mmu.h |
|
PTE_G |
page table entry global |
include/mmu.h |
|
PTE_V |
page table entry valid |
include/mmu.h |
|
PTE_D |
page table entry dirty |
include/mmu.h |
|
PTE_N |
page table entry uncacheable |
include/mmu.h |
|
PTE_COW |
page table entry copy on write |
include/mmu.h |
|
PTE_LIBRARY |
page table entry library |
include/mmu.h |
实际上是共享页面的意思 |
npage |
number of page |
include/mmu.h |
|
Pde |
page directory entry |
include/mmu.h |
|
Pte |
page table entry |
include/mmu.h |
|
freemem |
free memory |
kern/pmap.c |
|
ppte |
pointer to page table entry |
kern/pmap.c |
pgdir_walk 函数形参 |
pgdir_entryp |
page directory entry pointer |
kern/pmap.c |
pgdir_walk 函数局部变量 |
fl |
free list |
kern/pmap.c |
physical_memory_manage_check 函数局部变量 |
进程控制相关缩写对应表
env 全称为 environment ，是本实验系统中的进程控制块，在如下的缩写-全称对应中不做展开
| 缩写 |
全称 |
源文件 |
备注 |
LOG2NENV |
log2 number of env |
include/env.h |
|
NENV |
number of env |
include/env.h |
|
ENVX |
env index |
include/env.h |
|
curenv |
current env |
include/env.h |
|
env_sched_list |
env schedule list |
include/env.h |
|
错误相关缩写对应表
在本节中，E_ 开头表示 error ，在如下的缩写-全称对应中不做展开
对于各错误的详细含义，请参照代码中的注释加以理解。
| 缩写 |
全称 |
源文件 |
备注 |
E_INVAL |
E invalid parameter |
include/error.h |
|
E_NO_MEM |
E no (more) memory |
include/error.h |
|
E_NO_SYS |
E no(/invalid) system call |
include/error.h |
|
E_NOT_EXEC |
E (file is) not executable |
include/error.h |
|
基础数据类型相关缩写对应表
| 缩写 |
全称 |
源文件 |
备注 |
u_char |
unsigned char |
include/types.h |
|
u_short |
unsigned short |
include/types.h |
|
u_int |
unsigned int |
include/types.h |
|
u_long |
unsigned long |
include/types.h |
|
设备相关缩写对应表
dev 全称为 device，在如下的缩写-全称对应中不做展开。
在本节中，大量缩写经常作为其他缩写的一部分被反复使用，受限于篇幅，我们仅提取其中较为关键的部分予以说明。
console
| 缩写 |
全称 |
源文件 |
备注 |
cons |
console |
include/drivers/dev_cons.h |
本文件中定义的四个宏不再做展开 |
ethernet
| 缩写 |
全称 |
源文件 |
备注 |
ether |
ethernet |
include/drivers/dev_ether.h |
|
RX |
receive |
include/drivers/dev_fb.h |
|
TX |
transmit |
include/drivers/dev_fb.h |
|
framebuffer
| 缩写 |
全称 |
源文件 |
备注 |
fb |
framebuffer |
include/drivers/dev_fb.h |
|
CTRL |
controller |
include/drivers/dev_fb.h |
|
multiprocessor
| 缩写 |
全称 |
源文件 |
备注 |
mp |
multiprocessor |
include/drivers/dev_mp.h |
|
WHOAMI |
who am I |
include/drivers/dev_mp.h |
|
NCPUS |
number of CPUs |
include/drivers/dev_mp.h |
|
IPI |
Inter-Processor Interrupt |
include/drivers/dev_mp.h |
处理器间中断 |
Real-Time Clock
| 缩写 |
全称 |
源文件 |
备注 |
rtc |
real-time clock |
include/drivers/dev_rtc.h |
|
SEC |
second |
include/drivers/dev_rtc.h |
|
USEC |
user second |
include/drivers/dev_rtc.h |
|
ACK |
acknowledge |
include/drivers/dev_rtc.h |
|
系统调用相关缩写对应表
sys 全称为 system call，在如下的缩写-全称对应中不做展开
| 缩写 |
全称 |
源文件 |
备注 |
sys_print_cons |
sys print console |
kern/syscall_all.c |
|
sys_mem_alloc |
sys memory alloc |
kern/syscall_all.c |
|
sys_mem_map |
sys memory map |
kern/syscall_all.c |
|
sys_mem_unmap |
sys memory unmap |
kern/syscall_all.c |
|
用户缩写相关对应表
| 缩写 |
全称 |
源文件 |
备注 |
vpt |
virtual page table |
user/include/lib.h |
|
vpd |
virtual page directory |
user/include/lib.h |
|
ctemp |
copy temp |
user/lib/spawn.c |
init_stack 函数局部变量 |
pargv_ptr |
(to be) passed argument vector pointer |
user/lib/spawn.c |
init_stack 函数局部变量 |
spawnl |
spawn list |
user/lib/spawn.c |
|
duppage |
duplicate page |
user/lib/fork.c |
|
req |
request |
user/include/fsreq.h |
|
fsreq |
file system request |
user/include/fsreq.h |
|
ipc |
Inter-Process Communication |
user/lib/ipc.c |
进程间通信 |
fsipc |
file system Inter-Process Communication |
user/lib/fsipc.c |
|
文件相关缩写对应表
与文件相关的缩写数量较多，本节将按文件予以简单划分，具体含义请结合代码中注释及指导书进行理解
下表对文件相关缩写中的部分常用缩写单独列出，在如下的缩写-全称中不做展开
| 缩写 |
全称 |
备注 |
fs |
file system |
|
fd |
file descriptor |
|
ide |
Integrated Drive Electronics |
|
stat |
status |
指文件的相关信息 |
fs/ide.c
| 缩写 |
全称 |
源文件 |
备注 |
diskno |
disk number |
fs/ide.c |
ide_read 函数形参 |
secno |
sector number |
fs/ide.c |
ide_read 函数形参，表示起始扇区号 |
nsecs |
number of sectors |
fs/ide.c |
ide_read 函数形参，表示要读取的扇区数目 |
fs/fs.c
| 缩写 |
全称 |
源文件 |
备注 |
nbitmap |
number of bitmap |
fs/fs.c |
|
diskaddr |
disk address |
fs/fs.c |
|
blockno |
block number |
fs/fs.c |
diskaddr 函数形参 |
fs/serv.c
| 缩写 |
全称 |
源文件 |
备注 |
o_ff |
(struct open) file fd |
fs/serv.c |
Open 结构体成员 |
opentab |
open table |
fs/serv.c |
|
REQVA |
request virtual address |
fs/serv.c |
|
fs/serv.h
| 缩写 |
全称 |
源文件 |
备注 |
PTE_DIRTY |
page table entry dirty |
fs/serv.h |
注意与PTE_D （可写权限位）区分 |
DISKNO |
disk number |
fs/serv.h |
|
BY2SECT |
byte to sector |
fs/serv.h |
|
SECT2BLK |
sector to block |
fs/serv.h |
|
user/include/fs.h
| 缩写 |
全称 |
源文件 |
备注 |
BY2BLK |
byte to block |
user/include/fs.h |
|
BIT2BLK |
bit to block |
user/include/fs.h |
|
MAXNAMELEN |
max name length |
user/include/fs.h |
|
MAXPATHLEN |
max path name length |
user/include/fs.h |
|
NDIRECT |
number of direct |
user/include/fs.h |
|
NINDIRECT |
number of indirect |
user/include/fs.h |
|
BY2FILE |
byte to file |
user/include/fs.h |
|
FILE2BLK |
file to block |
user/include/fs.h |
|
FTYPE_REG |
file type regular file |
user/include/fs.h |
|
FTYPE_DIR |
file type directory |
user/include/fs.h |
|
FS_MAGIC |
file system magic |
user/include/fs.h |
|
s_nblocks |
(struct super) number of blocks |
user/include/fs.h |
|
user/include/fd.h
| 缩写 |
全称 |
源文件 |
备注 |
INDEX2FD |
index to fd |
user/include/fd.h |
|
INDEX2DATA |
index to data |
user/include/fd.h |
|
fd_omode |
(struct fd) open mode |
user/include/fd.h |
Fd 结构体成员 |
MAXFD |
max fd |
user/include/fd.h |
最大文件描述符的数量 |
dev_stat |
device status |
user/include/fd.h |
Dev 结构体成员 |
st_isdir |
(struct stat) is directory |
user/include/fd.h |
Stat 结构体成员 |
user/lib/file.c
| 缩写 |
全称 |
源文件 |
备注 |
ffd |
file fd |
user/lib/file.c |
file_close 函数局部变量 |
ftruncate |
file truncate |
user/lib/file.c |
|
user/lib/fd.c
| 缩写 |
全称 |
源文件 |
备注 |
fdno |
fd number |
user/lib/fd.c |
fd_alloc 函数局部变量 |
fdnum |
fd number |
user/lib/fd.c |
fd_lookup 函数形参 |
dup |
duplicate |
user/lib/fd.c |
|
readn |
read n bytes |
user/lib/fd.c |
|
fstat |
file status |
user/lib/fd.c |
|
