Imbus/xv6-riscv-kernel
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This commit is contained in:
Robert Morris 2010-08-30 10:13:49 -04:00
parent 4d972493b6
commit ac090078c6
3 changed files with 4 additions and 4 deletions
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2
defs.h
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@ -155,7 +155,7 @@ void uartputc(int);
void pminit(void); void pminit(void);
void ksegment(void); void ksegment(void);
void kvmalloc(void); void kvmalloc(void);
void vminit(void); void vmenable(void);
pde_t* setupkvm(void); pde_t* setupkvm(void);
char* uva2ka(pde_t*, char*); char* uva2ka(pde_t*, char*);
int allocuvm(pde_t*, char*, uint); int allocuvm(pde_t*, char*, uint);

2
main.c
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@ -67,7 +67,7 @@ mpmain(void)
ksegment(); ksegment();
lapicinit(cpunum()); lapicinit(cpunum());
} }
vminit(); // turn on paging vmenable(); // turn on paging
cprintf("cpu%d: starting\n", cpu->id); cprintf("cpu%d: starting\n", cpu->id);
idtinit(); // load idt register idtinit(); // load idt register
xchg(&cpu->booted, 1); xchg(&cpu->booted, 1);

4
vm.c
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@ -369,11 +369,11 @@ kvmalloc(void)
// Turn on paging. // Turn on paging.
void void
vminit(void) vmenable(void)
{ {
uint cr0; uint cr0;
lcr3(PADDR(kpgdir)); switchkvm(); // load kpgdir into cr3
cr0 = rcr0(); cr0 = rcr0();
cr0 |= CR0_PG; cr0 |= CR0_PG;
lcr0(cr0); lcr0(cr0);