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Code Issues Releases Activity

Save the FP state in the PCB as that is compatable with releng4 binaries.

Browse Source 
This is a band-aid until the KSE pthread committers get back on the ground
and have their machines setup.

Submitted by:	eischen
This commit is contained in:
David E. O'Brien 2002-09-30 07:02:22 +00:00
parent 0e0e9411f2
commit e4544528f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=104174
2 changed files with 20 additions and 0 deletions
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10
sys/amd64/amd64/machdep.c
View File

@ -2147,6 +2147,10 @@ set_mcontext(struct thread *td, const mcontext_t *mcp)
static void
get_fpcontext(struct thread *td, mcontext_t *mcp)
{
#if 1 /* XXX: tmp hack to restore ability to run releng4 binaries */
/* For now, always store the FP state in the PCB. */
(void)npxgetregs(td, (union savefpu *)&td->td_pcb->pcb_save);
#else
#ifndef DEV_NPX
mcp->mc_fpformat = _MC_FPFMT_NODEV;
mcp->mc_ownedfp = _MC_FPOWNED_NONE;
@ -2182,11 +2186,16 @@ get_fpcontext(struct thread *td, mcontext_t *mcp)
}
mcp->mc_fpformat = npxformat();
#endif
#endif /* tmp hack to restore ability to run releng4 binaries */
}
static int
set_fpcontext(struct thread *td, const mcontext_t *mcp)
{
#if 1 /* XXX: tmp hack to restore ability to run releng4 binaries */
/* For now, the FP state is always stored in the PCB. */
npxsetregs(td, (union savefpu *)&td->td_pcb->pcb_save);
#else
union savefpu *addr;
if (mcp->mc_fpformat == _MC_FPFMT_NODEV)
@ -2225,6 +2234,7 @@ set_fpcontext(struct thread *td, const mcontext_t *mcp)
*/
} else
return (EINVAL);
#endif /* tmp hack to restore ability to run releng4 binaries */
return (0);
}

10
sys/i386/i386/machdep.c
View File

@ -2147,6 +2147,10 @@ set_mcontext(struct thread *td, const mcontext_t *mcp)
static void
get_fpcontext(struct thread *td, mcontext_t *mcp)
{
#if 1 /* XXX: tmp hack to restore ability to run releng4 binaries */
/* For now, always store the FP state in the PCB. */
(void)npxgetregs(td, (union savefpu *)&td->td_pcb->pcb_save);
#else
#ifndef DEV_NPX
mcp->mc_fpformat = _MC_FPFMT_NODEV;
mcp->mc_ownedfp = _MC_FPOWNED_NONE;
@ -2182,11 +2186,16 @@ get_fpcontext(struct thread *td, mcontext_t *mcp)
}
mcp->mc_fpformat = npxformat();
#endif
#endif /* tmp hack to restore ability to run releng4 binaries */
}
static int
set_fpcontext(struct thread *td, const mcontext_t *mcp)
{
#if 1 /* XXX: tmp hack to restore ability to run releng4 binaries */
/* For now, the FP state is always stored in the PCB. */
npxsetregs(td, (union savefpu *)&td->td_pcb->pcb_save);
#else
union savefpu *addr;
if (mcp->mc_fpformat == _MC_FPFMT_NODEV)
@ -2225,6 +2234,7 @@ set_fpcontext(struct thread *td, const mcontext_t *mcp)
*/
} else
return (EINVAL);
#endif /* tmp hack to restore ability to run releng4 binaries */
return (0);
}