caddr_t
psm_map_new(paddr_t addr, size_t len, int prot)
{
int phys_prot = PROT_READ;
ASSERT(prot == (prot & (PSM_PROT_WRITE | PSM_PROT_READ)));
if (prot & PSM_PROT_WRITE)
phys_prot |= PROT_WRITE;
return (psm_map_phys(addr, len, phys_prot));
}
void
reset(void)
{
extern void acpi_reset_system();
#if !defined(__xpv)
ushort_t *bios_memchk;
/*
* Can't use psm_map_phys or acpi_reset_system before the hat is
* initialized.
*/
if (khat_running) {
bios_memchk = (ushort_t *)psm_map_phys(0x472,
sizeof (ushort_t), PROT_READ | PROT_WRITE);
if (bios_memchk)
*bios_memchk = 0x1234; /* bios memory check disable */
if (options_dip != NULL &&
ddi_prop_exists(DDI_DEV_T_ANY, ddi_root_node(), 0,
"efi-systab")) {
if (bootops == NULL)
acpi_reset_system();
efi_reset();
}
/*
* The problem with using stubs is that we can call
* acpi_reset_system only after the kernel is up and running.
*
* We should create a global state to keep track of how far
* up the kernel is but for the time being we will depend on
* bootops. bootops cleared in startup_end().
*/
if (bootops == NULL)
acpi_reset_system();
}
pc_reset();
#else
if (IN_XPV_PANIC()) {
if (khat_running && bootops == NULL) {
acpi_reset_system();
}
pc_reset();
}
(void) HYPERVISOR_shutdown(SHUTDOWN_reboot);
panic("HYPERVISOR_shutdown() failed");
#endif
/*NOTREACHED*/
}
int
mach_cpucontext_init(void)
{
ushort_t *vec;
if (!(vec = (ushort_t *)psm_map_phys(WARM_RESET_VECTOR,
sizeof (vec), PROT_READ | PROT_WRITE)))
return (-1);
/*
* setup secondary cpu bios boot up vector
*/
*vec = (ushort_t)((caddr_t)
((struct rm_platter *)rm_platter_va)->rm_code - rm_platter_va
+ ((ulong_t)rm_platter_va & 0xf));
vec[1] = (ushort_t)(rm_platter_pa >> 4);
warm_reset_vector = vec;
bcopy((caddr_t)real_mode_start,
(caddr_t)((rm_platter_t *)rm_platter_va)->rm_code,
(size_t)real_mode_end - (size_t)real_mode_start);
return (0);
}