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Differential D17446 Diff 48817 sys/powerpc/powerpc/exec_machdep.c

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sys/powerpc/powerpc/exec_machdep.c

Show First 20 Lines • Show All 965 Lines • ▼ Show 20 Linescpu_copy_thread(struct thread *td, struct thread *td0)
#if defined(__powerpc64__) && (!defined(_CALL_ELF) || _CALL_ELF == 1) #if defined(__powerpc64__) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
pcb2->pcb_lr = ((register_t *)fork_trampoline)[0]; pcb2->pcb_lr = ((register_t *)fork_trampoline)[0];
pcb2->pcb_toc = ((register_t *)fork_trampoline)[1]; pcb2->pcb_toc = ((register_t *)fork_trampoline)[1];
#else #else
pcb2->pcb_lr = (register_t)fork_trampoline; pcb2->pcb_lr = (register_t)fork_trampoline;
pcb2->pcb_context[0] = pcb2->pcb_lr; pcb2->pcb_context[0] = pcb2->pcb_lr;
#endif #endif
pcb2->pcb_cpu.aim.usr_vsid = 0; pcb2->pcb_cpu.aim.usr_vsid = 0;
#ifdef __SPE__
pcb2->pcb_vec.vscr = SPEFSCR_FINVE | SPEFSCR_FDBZE |
SPEFSCR_FUNFE | SPEFSCR_FOVFE;
#endif
/* Setup to release spin count in fork_exit(). */ /* Setup to release spin count in fork_exit(). */
td->td_md.md_spinlock_count = 1; td->td_md.md_spinlock_count = 1;
td->td_md.md_saved_msr = psl_kernset; td->td_md.md_saved_msr = psl_kernset;
} }
void void
cpu_set_upcall(struct thread *td, void (*entry)(void *), void *arg, cpu_set_upcall(struct thread *td, void (*entry)(void *), void *arg,
Show All 29 Lines if (SV_PROC_FLAG(td->td_proc, SV_ILP32)) {
tf->srr0 = entry_desc[0]; tf->srr0 = entry_desc[0];
tf->fixreg[2] = entry_desc[1]; tf->fixreg[2] = entry_desc[1];
tf->fixreg[11] = entry_desc[2]; tf->fixreg[11] = entry_desc[2];
tf->srr1 = psl_userset | PSL_FE_DFLT; tf->srr1 = psl_userset | PSL_FE_DFLT;
#endif #endif
} }
td->td_pcb->pcb_flags = 0; td->td_pcb->pcb_flags = 0;
#ifdef __SPE__
td->td_pcb->pcb_vec.vscr = SPEFSCR_FINVE | SPEFSCR_FDBZE |
SPEFSCR_FUNFE | SPEFSCR_FOVFE;
#endif
td->td_retval[0] = (register_t)entry; td->td_retval[0] = (register_t)entry;
td->td_retval[1] = 0; td->td_retval[1] = 0;
} }
static int static int
emulate_mfspr(int spr, int reg, struct trapframe *frame){ emulate_mfspr(int spr, int reg, struct trapframe *frame){
struct thread *td; struct thread *td;
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