mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-08 09:39:38 +00:00
Code Issues Releases Activity

Merged from sys/i386/i386/machdep.c revision 1.400.

Browse Source
This commit is contained in:
KATO Takenori 2000-08-12 07:35:12 +00:00
parent 5aef48a16b
commit e2c9a41a3c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=64552
2 changed files with 38 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
sys/pc98/i386/machdep.c
View File

@ -253,6 +253,7 @@ vm_offset_t phys_avail[10];
static vm_offset_t buffer_sva, buffer_eva;
vm_offset_t clean_sva, clean_eva;
static vm_offset_t pager_sva, pager_eva;
static struct trapframe proc0_tf;
#define offsetof(type, member) ((size_t)(&((type *)0)->member))
@ -447,6 +448,7 @@ cpu_startup(dummy)
mp_start(); /* fire up the APs and APICs */
mp_announce();
#endif /* SMP */
cpu_setregs();
}
int
@ -1077,6 +1079,22 @@ setregs(p, entry, stack, ps_strings)
p->p_retval[1] = 0;
}
void
cpu_setregs(void)
{
unsigned int cr0;
cr0 = rcr0();
cr0 |= CR0_NE; /* Done by npxinit() */
cr0 |= CR0_MP | CR0_TS; /* Done at every execve() too. */
#ifdef I386_CPU
if (cpu_class != CPUCLASS_386)
#endif
cr0 |= CR0_WP | CR0_AM;
load_cr0(cr0);
load_gs(_udatasel);
}
static int
sysctl_machdep_adjkerntz(SYSCTL_HANDLER_ARGS)
{
@ -2277,6 +2295,7 @@ init386(first)
proc0.p_addr->u_pcb.pcb_mpnest = 1;
#endif
proc0.p_addr->u_pcb.pcb_ext = 0;
proc0.p_md.md_regs = &proc0_tf;
}
#if defined(I586_CPU) && !defined(NO_F00F_HACK)

19
sys/pc98/pc98/machdep.c
View File

@ -253,6 +253,7 @@ vm_offset_t phys_avail[10];
static vm_offset_t buffer_sva, buffer_eva;
vm_offset_t clean_sva, clean_eva;
static vm_offset_t pager_sva, pager_eva;
static struct trapframe proc0_tf;
#define offsetof(type, member) ((size_t)(&((type *)0)->member))
@ -447,6 +448,7 @@ cpu_startup(dummy)
mp_start(); /* fire up the APs and APICs */
mp_announce();
#endif /* SMP */
cpu_setregs();
}
int
@ -1077,6 +1079,22 @@ setregs(p, entry, stack, ps_strings)
p->p_retval[1] = 0;
}
void
cpu_setregs(void)
{
unsigned int cr0;
cr0 = rcr0();
cr0 |= CR0_NE; /* Done by npxinit() */
cr0 |= CR0_MP | CR0_TS; /* Done at every execve() too. */
#ifdef I386_CPU
if (cpu_class != CPUCLASS_386)
#endif
cr0 |= CR0_WP | CR0_AM;
load_cr0(cr0);
load_gs(_udatasel);
}
static int
sysctl_machdep_adjkerntz(SYSCTL_HANDLER_ARGS)
{
@ -2277,6 +2295,7 @@ init386(first)
proc0.p_addr->u_pcb.pcb_mpnest = 1;
#endif
proc0.p_addr->u_pcb.pcb_ext = 0;
proc0.p_md.md_regs = &proc0_tf;
}
#if defined(I586_CPU) && !defined(NO_F00F_HACK)