src/sys/arch/powerpc/powerpc/sig_machdep.c - diff

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version 1.23.12.1, 2006/06/21 14:55:11

version 1.23.12.2, 2006/12/30 20:46:44

Line 216 int

cpu_setmcontext(struct lwp *l, const mcontext_t *mcp, unsigned int flags)

{

struct trapframe *tf = trapframe(l);

__greg_t *gr = mcp->__gregs;

const __greg_t *gr = mcp->__gregs;

#ifdef PPC_HAVE_FPU

struct pcb *pcb = &l->l_addr->u_pcb;

#endif

/* Restore GPR context, if any. */

if (flags & _UC_CPU) {

* Accept all user-settable bits without complaint;

* userland should not need to know the machine-specific

* MSR value.

gr[_REG_MSR] = (gr[_REG_MSR] & PSL_USERMOD) | PSL_USERSET;

#ifdef PPC_HAVE_FPU

* Always save the FP exception mode in the PCB.

Line 242 cpu_setmcontext(struct lwp *l, const mco

Line 235 cpu_setmcontext(struct lwp *l, const mco

tf->cr = gr[_REG_CR];

tf->lr = gr[_REG_LR];

tf->srr0 = gr[_REG_PC];

tf->srr1 = gr[_REG_MSR];

* Accept all user-settable bits without complaint;

* userland should not need to know the machine-specific

* MSR value.

tf->srr1 = (gr[_REG_MSR] & PSL_USERMOD) | PSL_USERSET;

tf->ctr = gr[_REG_CTR];

tf->xer = gr[_REG_XER];

#ifdef PPC_OEA