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1 struct buf;
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2 struct context;
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3 struct file;
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4 struct inode;
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5 struct pipe;
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6 struct proc;
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7 struct spinlock;
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8 struct stat;
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9 struct superblock;
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10
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11 void OkLoop(void);
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12 void NotOkLoop(void);
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13
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14 // mmu.c
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15 void mmuinit0(void);
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16 void mmuinit1(void);
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17 void barriers(void);
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18 void dsb_barrier(void);
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19 void flush_tlb(void);
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20 void flush_dcache_all(void);
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21 void flush_dcache(uint va1, uint va2);
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22 void flush_idcache(void);
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23 void set_pgtbase(uint base);
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24
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25 // bio.c
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26 void binit(void);
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27 struct buf* bread(uint, uint);
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28 void brelse(struct buf*);
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29 void bwrite(struct buf*);
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30
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31 // console.c
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32 void consoleinit(void);
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33 void cprintf(char*, ...);
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34 void consoleintr(int(*)(void));
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35 void panic(char*) __attribute__((noreturn));
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36 void drawcharacter(u8, uint, uint);
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37 void gpuputc(uint);
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38 void gpuinit(void);
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39
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40
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41 // fs.c
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42 void readsb(int dev, struct superblock *sb);
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43 int dirlink(struct inode*, char*, uint);
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44 struct inode* dirlookup(struct inode*, char*, uint*);
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45 struct inode* ialloc(uint, short);
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46 struct inode* idup(struct inode*);
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47 void iinit(void);
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48 void ilock(struct inode*);
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49 void iput(struct inode*);
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50 void iunlock(struct inode*);
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51 void iunlockput(struct inode*);
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52 void iupdate(struct inode*);
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53 int namecmp(const char*, const char*);
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54 struct inode* namei(char*);
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55 struct inode* nameiparent(char*, char*);
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56 int readi(struct inode*, char*, uint, uint);
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57 void stati(struct inode*, struct stat*);
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58 int writei(struct inode*, char*, uint, uint);
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59
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60
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61 // ide.c
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62 void ideinit(void);
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63 void ideintr(void);
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64 void iderw(struct buf*);
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65
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66 // exec.c
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67 int exec(char*, char**);
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68
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69 // file.c
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70 struct file* filealloc(void);
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71 void fileclose(struct file*);
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72 struct file* filedup(struct file*);
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73 void fileinit(void);
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74 int fileread(struct file*, char*, int n);
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75 int filestat(struct file*, struct stat*);
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76 int filewrite(struct file*, char*, int n);
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77
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78
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79 // fs.c
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80 void readsb(int dev, struct superblock *sb);
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81 int dirlink(struct inode*, char*, uint);
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82 struct inode* dirlookup(struct inode*, char*, uint*);
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83 struct inode* ialloc(uint, short);
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84 struct inode* idup(struct inode*);
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85 void iinit(void);
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86 void ilock(struct inode*);
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87 void iput(struct inode*);
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88 void iunlock(struct inode*);
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89 void iunlockput(struct inode*);
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90 void iupdate(struct inode*);
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91 int namecmp(const char*, const char*);
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92 struct inode* namei(char*);
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93 struct inode* nameiparent(char*, char*);
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94 int readi(struct inode*, char*, uint, uint);
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95 void stati(struct inode*, struct stat*);
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96 int writei(struct inode*, char*, uint, uint);
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97
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98 // kalloc.c
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99 char* kalloc(void);
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100 void kfree(char*);
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101 void kinit1(void*, void*);
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102 void kinit2(void*, void*);
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103
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104
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105 // log.c
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106 void initlog(void);
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107 void log_write(struct buf*);
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108 void begin_trans();
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109 void commit_trans();
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110
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111 // pipe.c
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112 int pipealloc(struct file**, struct file**);
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113 void pipeclose(struct pipe*, int);
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114 int piperead(struct pipe*, char*, int);
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115 int pipewrite(struct pipe*, char*, int);
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116
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117 //PAGEBREAK: 16
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118 // proc.c
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119 struct proc* copyproc(struct proc*);
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120 void exit(void);
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121 int fork(void);
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122 int growproc(int);
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123 int kill(int);
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124 void pinit(void);
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125 void procdump(void);
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126 void scheduler(void) __attribute__((noreturn));
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127 void sched(void);
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128 void sleep(void*, struct spinlock*);
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129 void userinit(void);
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130 int wait(void);
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131 void wakeup(void*);
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132 void yield(void);
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133
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134
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135 // swtch.S
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136 void swtch(struct context**, struct context*);
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137
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138 // syscall.c
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139 int argint(int, int*);
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140 int argptr(int, char**, int);
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141 int argstr(int, char**);
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142 int fetchint(uint, int*);
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143 int fetchstr(uint, char**);
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144 void syscall(void);
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145
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146 void kvmalloc(void);
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147
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148
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149 int UsbInitialise(void);
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150 void KeyboardUpdate(void);
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151 char KeyboardGetChar(void);
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152 uint KeyboardCount(void);
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153 uint KeyboardGetAddress(uint);
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154 struct KeyboardLeds KeyboardGetLedSupport(uint);
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155
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156 // spinlock.c
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157 void acquire(struct spinlock*);
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158 void getcallerpcs(void*, uint*);
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159 int holding(struct spinlock*);
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160 void initlock(struct spinlock*, char*);
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161 void release(struct spinlock*);
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162 void pushcli(void);
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163 void popcli(void);
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164
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165 // string.c
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166 int memcmp(const void*, const void*, uint);
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167 void* memmove(void*, const void*, uint);
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168 void* memset(void*, int, uint);
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169 char* safestrcpy(char*, const char*, int);
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170 int strlen(const char*);
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171 int strncmp(const char*, const char*, uint);
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172 char* strncpy(char*, const char*, int);
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173 uint div(uint n, uint d);
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174
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175 // syscall.c
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176 int argint(int, int*);
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177 int argptr(int, char**, int);
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178 int argstr(int, char**);
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179 int fetchint(uint, int*);
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180 int fetchstr(uint, char**);
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181 void syscall(void);
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182
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183 // timer.c
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184 void timer3init(void);
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185 void timer3intr(void);
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186 unsigned long long getsystemtime(void);
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187 void delay(uint);
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188
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189 // trap.c
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190 void tvinit(void);
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191 void sti(void);
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192 void cli(void);
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193 void disable_intrs(void);
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194 void enable_intrs(void);
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195 extern uint ticks;
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196 extern struct spinlock tickslock;
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197 uint readcpsr(void);
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198
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199 // uart.c
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200 void uartinit(void);
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201 void miniuartintr(void);
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202 void uartputc(uint);
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203 void setgpiofunc(uint, uint);
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204 void setgpioval(uint, uint);
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205
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206 // vm.c
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207 void seginit(void);
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208 void kvmalloc(void);
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209 void vmenable(void);
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210 pde_t* setupkvm(void);
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211 char* uva2ka(pde_t*, char*);
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212 int allocuvm(pde_t*, uint, uint);
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213 int deallocuvm(pde_t*, uint, uint);
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214 void freevm(pde_t*);
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215 void inituvm(pde_t*, char*, uint);
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216 int loaduvm(pde_t*, char*, struct inode*, uint, uint);
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217 pde_t* copyuvm(pde_t*, uint);
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218 void switchuvm(struct proc*);
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219 void switchkvm(void);
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220 int copyout(pde_t*, uint, void*, uint);
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221 void clearpteu(pde_t *pgdir, char *uva);
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222
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223 // mailbox.c
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224 uint readmailbox(u8);
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225 void writemailbox(uint *, u8);
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226 void create_request(volatile uint *mbuf, uint tag, uint buflen, uint len, uint *data);
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227 void mailboxinit(void);
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228
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229
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230
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231 // number of elements in fixed-size array
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232 #define NELEM(x) (sizeof(x)/sizeof((x)[0]))
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233
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