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/*-
* Copyright (c) 2001 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <machine/efi.h>
#include <machine/intr.h>
#include <machine/md_var.h>
#include <machine/sal.h>
#include <machine/smp.h>
int ia64_ipi_wakeup;
static struct ia64_fdesc sal_fdesc;
static sal_entry_t fake_sal;
extern u_int64_t ia64_pal_entry;
sal_entry_t *ia64_sal_entry = fake_sal;
static struct uuid sal_table = EFI_TABLE_SAL;
static struct sal_system_table *sal_systbl;
static struct ia64_sal_result
fake_sal(u_int64_t a1, u_int64_t a2, u_int64_t a3, u_int64_t a4,
u_int64_t a5, u_int64_t a6, u_int64_t a7, u_int64_t a8)
{
struct ia64_sal_result res;
res.sal_status = -3;
res.sal_result[0] = 0;
res.sal_result[1] = 0;
res.sal_result[2] = 0;
return res;
}
void
ia64_sal_init(void)
{
static int sizes[6] = {
48, 32, 16, 32, 16, 16
};
u_int8_t *p;
int error, i;
sal_systbl = efi_get_table(&sal_table);
if (sal_systbl == NULL)
return;
if (bcmp(sal_systbl->sal_signature, SAL_SIGNATURE, 4)) {
printf("Bad signature for SAL System Table\n");
return;
}
p = (u_int8_t *) (sal_systbl + 1);
for (i = 0; i < sal_systbl->sal_entry_count; i++) {
switch (*p) {
case 0: {
struct sal_entrypoint_descriptor *dp;
dp = (struct sal_entrypoint_descriptor*)p;
ia64_pal_entry = IA64_PHYS_TO_RR7(dp->sale_pal_proc);
if (bootverbose)
printf("PAL Proc at 0x%lx\n", ia64_pal_entry);
sal_fdesc.func = IA64_PHYS_TO_RR7(dp->sale_sal_proc);
sal_fdesc.gp = IA64_PHYS_TO_RR7(dp->sale_sal_gp);
if (bootverbose)
printf("SAL Proc at 0x%lx, GP at 0x%lx\n",
sal_fdesc.func, sal_fdesc.gp);
ia64_sal_entry = (sal_entry_t *) &sal_fdesc;
break;
}
case 5: {
struct sal_ap_wakeup_descriptor *dp;
#ifdef SMP
struct ia64_sal_result result;
struct ia64_fdesc *fd;
#endif
dp = (struct sal_ap_wakeup_descriptor*)p;
if (dp->sale_mechanism != 0) {
printf("SAL: unsupported AP wake-up mechanism "
"(%d)\n", dp->sale_mechanism);
break;
}
/* Reserve the XIV so that we won't use it. */
error = ia64_xiv_reserve(dp->sale_vector,
IA64_XIV_PLAT, NULL);
if (error) {
printf("SAL: invalid AP wake-up XIV (%#lx)\n",
dp->sale_vector);
break;
}
ia64_ipi_wakeup = dp->sale_vector;
if (bootverbose)
printf("SAL: AP wake-up XIV: %#x\n",
ia64_ipi_wakeup);
#ifdef SMP
fd = (struct ia64_fdesc *) os_boot_rendez;
result = ia64_sal_entry(SAL_SET_VECTORS,
SAL_OS_BOOT_RENDEZ, ia64_tpa(fd->func),
ia64_tpa(fd->gp), 0, 0, 0, 0);
#endif
break;
}
}
p += sizes[*p];
}
}
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