Page MenuHomeFreeBSD
Files F107883550

D34525.diff
No OneTemporary
Actions

D34525.diff
View Options

diff --git a/sys/arm64/arm64/freebsd32_machdep.c b/sys/arm64/arm64/freebsd32_machdep.c
--- a/sys/arm64/arm64/freebsd32_machdep.c
+++ b/sys/arm64/arm64/freebsd32_machdep.c
@@ -130,29 +130,33 @@
static void
get_fpcontext32(struct thread *td, mcontext32_vfp_t *mcp)
{
- struct pcb *curpcb;
+ struct pcb *pcb;
int i;
- critical_enter();
- curpcb = curthread->td_pcb;
+ KASSERT(td == curthread || TD_IS_SUSPENDED(td) ||
+ P_SHOULDSTOP(td->td_proc),
+ ("not suspended thread %p", td));
+
+ memset(mcp, 0, sizeof(*mcp));
+ pcb = td->td_pcb;
- if ((curpcb->pcb_fpflags & PCB_FP_STARTED) != 0) {
+ if ((pcb->pcb_fpflags & PCB_FP_STARTED) != 0) {
/*
* If we have just been running VFP instructions we will
* need to save the state to memcpy it below.
*/
- vfp_save_state(td, curpcb);
+ if (td == curthread)
+ vfp_save_state(td, pcb);
- KASSERT(curpcb->pcb_fpusaved == &curpcb->pcb_fpustate,
- ("Called get_fpcontext while the kernel is using the VFP"));
- KASSERT((curpcb->pcb_fpflags & ~PCB_FP_USERMASK) == 0,
- ("Non-userspace FPU flags set in get_fpcontext"));
+ KASSERT(pcb->pcb_fpusaved == &pcb->pcb_fpustate,
+ ("Called get_fpcontext32 while the kernel is using the VFP"));
+ KASSERT((pcb->pcb_fpflags & ~PCB_FP_USERMASK) == 0,
+ ("Non-userspace FPU flags set in get_fpcontext32"));
for (i = 0; i < 32; i++)
- mcp->mcv_reg[i] = (uint64_t)curpcb->pcb_fpustate.vfp_regs[i];
- mcp->mcv_fpscr = VFP_FPSCR_FROM_SRCR(curpcb->pcb_fpustate.vfp_fpcr,
- curpcb->pcb_fpustate.vfp_fpsr);
+ mcp->mcv_reg[i] = (uint64_t)pcb->pcb_fpustate.vfp_regs[i];
+ mcp->mcv_fpscr = VFP_FPSCR_FROM_SRCR(pcb->pcb_fpustate.vfp_fpcr,
+ pcb->pcb_fpustate.vfp_fpsr);
}
- critical_exit();
}
static void

File Metadata

Mime Type
text/plain
Expires
Mon, Jan 20, 12:11 AM (21 h, 52 s)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
15966751
Default Alt Text
D34525.diff (1 KB)

Event Timeline