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refactoring process structures

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This commit is contained in:
Tomoki Shirasawa
2015-10-13 23:04:08 +09:00
parent 2ca46fabfd
commit 04e193de13
23 changed files with 2586 additions and 2265 deletions
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42
arch/x86/kernel/cpu.c
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@ -1262,33 +1262,33 @@ int ihk_mc_interrupt_cpu(int cpu, int vector)
@ ensures proc->fp_regs == NULL;
@*/
void
release_fp_regs(struct process *proc)
release_fp_regs(struct thread *thread)
{
int pages;
if (proc && !proc->fp_regs)
if (thread && !thread->fp_regs)
return;
pages = (sizeof(fp_regs_struct) + 4095) >> 12;
ihk_mc_free_pages(proc->fp_regs, pages);
proc->fp_regs = NULL;
ihk_mc_free_pages(thread->fp_regs, pages);
thread->fp_regs = NULL;
}
void
save_fp_regs(struct process *proc)
save_fp_regs(struct thread *thread)
{
int pages;
if (!proc->fp_regs) {
if (!thread->fp_regs) {
pages = (sizeof(fp_regs_struct) + 4095) >> 12;
proc->fp_regs = ihk_mc_alloc_pages(pages, IHK_MC_AP_NOWAIT);
thread->fp_regs = ihk_mc_alloc_pages(pages, IHK_MC_AP_NOWAIT);
if (!proc->fp_regs) {
if (!thread->fp_regs) {
kprintf("error: allocating fp_regs pages\n");
return;
}
memset(proc->fp_regs, 0, sizeof(fp_regs_struct));
memset(thread->fp_regs, 0, sizeof(fp_regs_struct));
}
if (xsave_available) {
@ -1298,17 +1298,17 @@ save_fp_regs(struct process *proc)
low = 0x7;
high = 0;
asm volatile("xsave %0" : : "m" (*proc->fp_regs), "a" (low), "d" (high)
asm volatile("xsave %0" : : "m" (*thread->fp_regs), "a" (low), "d" (high)
: "memory");
dkprintf("fp_regs for TID %d saved\n", proc->ftn->tid);
dkprintf("fp_regs for TID %d saved\n", thread->tid);
}
}
void
restore_fp_regs(struct process *proc)
restore_fp_regs(struct thread *thread)
{
if (!proc->fp_regs)
if (!thread->fp_regs)
return;
if (xsave_available) {
@ -1318,29 +1318,29 @@ restore_fp_regs(struct process *proc)
low = 0x7;
high = 0;
asm volatile("xrstor %0" : : "m" (*proc->fp_regs),
asm volatile("xrstor %0" : : "m" (*thread->fp_regs),
"a" (low), "d" (high));
dkprintf("fp_regs for TID %d restored\n", proc->ftn->tid);
dkprintf("fp_regs for TID %d restored\n", thread->tid);
}
// XXX: why release??
//release_fp_regs(proc);
//release_fp_regs(thread);
}
ihk_mc_user_context_t *lookup_user_context(struct process *proc)
ihk_mc_user_context_t *lookup_user_context(struct thread *thread)
{
ihk_mc_user_context_t *uctx = proc->uctx;
ihk_mc_user_context_t *uctx = thread->uctx;
if ((!(proc->ftn->status & (PS_INTERRUPTIBLE | PS_UNINTERRUPTIBLE
if ((!(thread->tstatus & (PS_INTERRUPTIBLE | PS_UNINTERRUPTIBLE
| PS_STOPPED | PS_TRACED))
&& (proc != cpu_local_var(current)))
&& (thread != cpu_local_var(current)))
|| !uctx->is_gpr_valid) {
return NULL;
}
if (!uctx->is_sr_valid) {
uctx->sr.fs_base = proc->thread.tlsblock_base;
uctx->sr.fs_base = thread->thread.tlsblock_base;
uctx->sr.gs_base = 0;
uctx->sr.ds = 0;
uctx->sr.es = 0;