Imbus/xv6-riscv-kernel
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Initial version of single-cpu xv6 with page tables

Browse source
This commit is contained in:
Frans Kaashoek 2010-07-02 14:51:53 -04:00
parent b7a517f227
commit 40889627ba
22 changed files with 307 additions and 152 deletions
Download patch file Download diff file Expand all files Collapse all files

22
defs.h
View file

@ -60,9 +60,10 @@ extern uchar ioapicid;
void ioapicinit(void);
// kalloc.c
extern int nfreemem;
char* kalloc(int);
void kfree(char*, int);
void kinit(void);
void kinit(char*,uint);
// kbd.c
void kbdintr(void);
@ -101,8 +102,6 @@ int kill(int);
void pinit(void);
void procdump(void);
void scheduler(void) __attribute__((noreturn));
void ksegment(void);
void usegment(void);
void sleep(void*, struct spinlock*);
void userinit(void);
int wait(void);
@ -111,6 +110,7 @@ void yield(void);
// swtch.S
void swtch(struct context**, struct context*);
void jstack(uint);
// spinlock.c
void acquire(struct spinlock*);
@ -152,6 +152,22 @@ void uartinit(void);
void uartintr(void);
void uartputc(int);
// vm.c
#define PGROUNDUP(sz) ((sz+PGSIZE-1) & ~(PGSIZE-1))
void pminit(void);
void swkstack(void);
void vminit(void);
void printpgdir(uint*);
uint* setupkvm(void); // XXX need pde_t*
char* uva2ka(uint*, char*);
int allocuvm(uint*, char*, uint); // XXX need pde_t*
void freevm(uint*);
void inituvm(uint*, char*, char*, uint);
int loaduvm(uint*, char*, struct inode *ip, uint, uint);
uint* copyuvm(uint*,uint);
void ksegment(void);
void loadvm(struct proc*);
// number of elements in fixed-size array
#define NELEM(x) (sizeof(x)/sizeof((x)[0]))