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Differential D13875 Diff 38729 head/sys/mips/mips/vm_machdep.c

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head/sys/mips/mips/vm_machdep.c

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#include <sys/sysent.h> #include <sys/sysent.h>
#include <sys/buf.h> #include <sys/buf.h>
#include <sys/vnode.h> #include <sys/vnode.h>
#include <sys/vmmeter.h> #include <sys/vmmeter.h>
#include <sys/kernel.h> #include <sys/kernel.h>
#include <sys/sysctl.h> #include <sys/sysctl.h>
#include <sys/unistd.h> #include <sys/unistd.h>
#include <machine/abi.h>
#include <machine/cache.h> #include <machine/cache.h>
#include <machine/clock.h> #include <machine/clock.h>
#include <machine/cpu.h> #include <machine/cpu.h>
#include <machine/cpufunc.h> #include <machine/cpufunc.h>
#include <machine/cpuinfo.h> #include <machine/cpuinfo.h>
#include <machine/md_var.h> #include <machine/md_var.h>
#include <machine/pcb.h> #include <machine/pcb.h>
#include <machine/tls.h> #include <machine/tls.h>
#include <vm/vm.h> #include <vm/vm.h>
#include <vm/vm_extern.h> #include <vm/vm_extern.h>
#include <vm/pmap.h> #include <vm/pmap.h>
#include <vm/vm_kern.h> #include <vm/vm_kern.h>
#include <vm/vm_map.h> #include <vm/vm_map.h>
#include <vm/vm_page.h> #include <vm/vm_page.h>
#include <vm/vm_pageout.h> #include <vm/vm_pageout.h>
#include <vm/vm_param.h> #include <vm/vm_param.h>
#include <vm/uma.h> #include <vm/uma.h>
#include <vm/uma_int.h> #include <vm/uma_int.h>
#include <sys/user.h> #include <sys/user.h>
#include <sys/mbuf.h> #include <sys/mbuf.h>
/* Duplicated from asm.h */
#if defined(__mips_o32)
#define SZREG 4
#else
#define SZREG 8
#endif
#if defined(__mips_o32) || defined(__mips_o64)
#define CALLFRAME_SIZ (SZREG * (4 + 2))
#elif defined(__mips_n32) || defined(__mips_n64)
#define CALLFRAME_SIZ (SZREG * 4)
#endif
/* /*
* Finish a fork operation, with process p2 nearly set up. * Finish a fork operation, with process p2 nearly set up.
* Copy and update the pcb, set up the stack so that the child * Copy and update the pcb, set up the stack so that the child
* ready to run and return to user mode. * ready to run and return to user mode.
*/ */
void void
cpu_fork(struct thread *td1, struct proc *p2, struct thread *td2,int flags) cpu_fork(struct thread *td1, struct proc *p2, struct thread *td2,int flags)
{ {
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*/ */
void void
cpu_set_upcall(struct thread *td, void (*entry)(void *), void *arg, cpu_set_upcall(struct thread *td, void (*entry)(void *), void *arg,
stack_t *stack) stack_t *stack)
{ {
struct trapframe *tf; struct trapframe *tf;
register_t sp; register_t sp;
/* sp = (((intptr_t)stack->ss_sp + stack->ss_size) & ~(STACK_ALIGN - 1)) -
* At the point where a function is called, sp must be 8
* byte aligned[for compatibility with 64-bit CPUs]
* in ``See MIPS Run'' by D. Sweetman, p. 269
* align stack
*/
sp = (((intptr_t)stack->ss_sp + stack->ss_size) & ~0x7) -
CALLFRAME_SIZ; CALLFRAME_SIZ;
/* /*
* Set the trap frame to point at the beginning of the uts * Set the trap frame to point at the beginning of the uts
* function. * function.
*/ */
tf = td->td_frame; tf = td->td_frame;
bzero(tf, sizeof(struct trapframe)); bzero(tf, sizeof(struct trapframe));
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