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Make sure to reset the FP queue when loading new values into FP registers.

This commit is contained in:
pk 1999-12-29 15:21:27 +00:00
parent 2b8c4ea32e
commit f152d57aa2
1 changed files with 15 additions and 10 deletions
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25
sys/arch/sparc/sparc/process_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: process_machdep.c,v 1.6 1996/03/14 21:09:26 christos Exp $ */
/* $NetBSD: process_machdep.c,v 1.7 1999/12/29 15:21:27 pk Exp $ */
/*
* Copyright (c) 1993 The Regents of the University of California.
@ -100,7 +100,7 @@ process_sstep(p, sstep)
int sstep;
{
if (sstep)
return EINVAL;
return (EINVAL);
return (0);
}
@ -116,27 +116,32 @@ process_set_pc(p, addr)
int
process_read_fpregs(p, regs)
struct proc *p;
struct fpreg *regs;
struct proc *p;
struct fpreg *regs;
{
extern struct fpstate initfpstate;
struct fpstate *statep = &initfpstate;
/* NOTE: struct fpreg == struct fpstate */
/* NOTE: struct fpreg == prefix of struct fpstate */
if (p->p_md.md_fpstate)
statep = p->p_md.md_fpstate;
bcopy(statep, regs, sizeof(struct fpreg));
return 0;
return (0);
}
int
process_write_fpregs(p, regs)
struct proc *p;
struct fpreg *regs;
struct proc *p;
struct fpreg *regs;
{
if (p->p_md.md_fpstate == NULL)
return EINVAL;
return (EINVAL);
/* Write new values to the FP registers */
bcopy(regs, p->p_md.md_fpstate, sizeof(struct fpreg));
return 0;
/* Reset FP queue in this process `fpstate' */
p->p_md.md_fpstate->fs_qsize = 0;
return (0);
}