1*22028508SToomas Soome /*-
2*22028508SToomas Soome * Copyright (c) 2006 Marcel Moolenaar
3*22028508SToomas Soome * All rights reserved.
4*22028508SToomas Soome *
5*22028508SToomas Soome * Redistribution and use in source and binary forms, with or without
6*22028508SToomas Soome * modification, are permitted provided that the following conditions
7*22028508SToomas Soome * are met:
8*22028508SToomas Soome *
9*22028508SToomas Soome * 1. Redistributions of source code must retain the above copyright
10*22028508SToomas Soome * notice, this list of conditions and the following disclaimer.
11*22028508SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
12*22028508SToomas Soome * notice, this list of conditions and the following disclaimer in the
13*22028508SToomas Soome * documentation and/or other materials provided with the distribution.
14*22028508SToomas Soome *
15*22028508SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16*22028508SToomas Soome * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17*22028508SToomas Soome * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18*22028508SToomas Soome * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19*22028508SToomas Soome * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20*22028508SToomas Soome * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21*22028508SToomas Soome * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22*22028508SToomas Soome * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23*22028508SToomas Soome * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24*22028508SToomas Soome * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25*22028508SToomas Soome */
26*22028508SToomas Soome
27*22028508SToomas Soome #include <sys/cdefs.h>
28*22028508SToomas Soome
29*22028508SToomas Soome #include <stand.h>
30*22028508SToomas Soome #include <string.h>
31*22028508SToomas Soome
32*22028508SToomas Soome #include <sys/param.h>
33*22028508SToomas Soome #include <sys/linker.h>
34*22028508SToomas Soome #include <machine/elf.h>
35*22028508SToomas Soome
36*22028508SToomas Soome #include <bootstrap.h>
37*22028508SToomas Soome
38*22028508SToomas Soome #include <efi.h>
39*22028508SToomas Soome #include <efilib.h>
40*22028508SToomas Soome
41*22028508SToomas Soome #include "loader_efi.h"
42*22028508SToomas Soome #include "cache.h"
43*22028508SToomas Soome
44*22028508SToomas Soome #include "platform/acfreebsd.h"
45*22028508SToomas Soome #include "acconfig.h"
46*22028508SToomas Soome #define ACPI_SYSTEM_XFACE
47*22028508SToomas Soome #define ACPI_USE_SYSTEM_INTTYPES
48*22028508SToomas Soome #include "actypes.h"
49*22028508SToomas Soome #include "actbl.h"
50*22028508SToomas Soome
51*22028508SToomas Soome static EFI_GUID acpi_guid = ACPI_TABLE_GUID;
52*22028508SToomas Soome static EFI_GUID acpi20_guid = ACPI_20_TABLE_GUID;
53*22028508SToomas Soome
54*22028508SToomas Soome static int elf64_exec(struct preloaded_file *amp);
55*22028508SToomas Soome static int elf64_obj_exec(struct preloaded_file *amp);
56*22028508SToomas Soome
57*22028508SToomas Soome int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp);
58*22028508SToomas Soome
59*22028508SToomas Soome static struct file_format arm64_elf = {
60*22028508SToomas Soome elf64_loadfile,
61*22028508SToomas Soome elf64_exec
62*22028508SToomas Soome };
63*22028508SToomas Soome
64*22028508SToomas Soome struct file_format *file_formats[] = {
65*22028508SToomas Soome &arm64_elf,
66*22028508SToomas Soome NULL
67*22028508SToomas Soome };
68*22028508SToomas Soome
69*22028508SToomas Soome static int
elf64_exec(struct preloaded_file * fp)70*22028508SToomas Soome elf64_exec(struct preloaded_file *fp)
71*22028508SToomas Soome {
72*22028508SToomas Soome vm_offset_t modulep, kernendp;
73*22028508SToomas Soome vm_offset_t clean_addr;
74*22028508SToomas Soome size_t clean_size;
75*22028508SToomas Soome struct file_metadata *md;
76*22028508SToomas Soome ACPI_TABLE_RSDP *rsdp;
77*22028508SToomas Soome Elf_Ehdr *ehdr;
78*22028508SToomas Soome char buf[24];
79*22028508SToomas Soome int err, revision;
80*22028508SToomas Soome void (*entry)(vm_offset_t);
81*22028508SToomas Soome
82*22028508SToomas Soome rsdp = efi_get_table(&acpi20_guid);
83*22028508SToomas Soome if (rsdp == NULL) {
84*22028508SToomas Soome rsdp = efi_get_table(&acpi_guid);
85*22028508SToomas Soome }
86*22028508SToomas Soome if (rsdp != NULL) {
87*22028508SToomas Soome sprintf(buf, "0x%016llx", (unsigned long long)rsdp);
88*22028508SToomas Soome setenv("hint.acpi.0.rsdp", buf, 1);
89*22028508SToomas Soome revision = rsdp->Revision;
90*22028508SToomas Soome if (revision == 0)
91*22028508SToomas Soome revision = 1;
92*22028508SToomas Soome sprintf(buf, "%d", revision);
93*22028508SToomas Soome setenv("hint.acpi.0.revision", buf, 1);
94*22028508SToomas Soome strncpy(buf, rsdp->OemId, sizeof(rsdp->OemId));
95*22028508SToomas Soome buf[sizeof(rsdp->OemId)] = '\0';
96*22028508SToomas Soome setenv("hint.acpi.0.oem", buf, 1);
97*22028508SToomas Soome sprintf(buf, "0x%016x", rsdp->RsdtPhysicalAddress);
98*22028508SToomas Soome setenv("hint.acpi.0.rsdt", buf, 1);
99*22028508SToomas Soome if (revision >= 2) {
100*22028508SToomas Soome /* XXX extended checksum? */
101*22028508SToomas Soome sprintf(buf, "0x%016llx",
102*22028508SToomas Soome (unsigned long long)rsdp->XsdtPhysicalAddress);
103*22028508SToomas Soome setenv("hint.acpi.0.xsdt", buf, 1);
104*22028508SToomas Soome sprintf(buf, "%d", rsdp->Length);
105*22028508SToomas Soome setenv("hint.acpi.0.xsdt_length", buf, 1);
106*22028508SToomas Soome }
107*22028508SToomas Soome }
108*22028508SToomas Soome
109*22028508SToomas Soome if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL)
110*22028508SToomas Soome return (EFTYPE);
111*22028508SToomas Soome
112*22028508SToomas Soome ehdr = (Elf_Ehdr *)&(md->md_data);
113*22028508SToomas Soome entry = efi_translate(ehdr->e_entry);
114*22028508SToomas Soome
115*22028508SToomas Soome efi_time_fini();
116*22028508SToomas Soome err = bi_load(fp->f_args, &modulep, &kernendp);
117*22028508SToomas Soome if (err != 0) {
118*22028508SToomas Soome efi_time_init();
119*22028508SToomas Soome return (err);
120*22028508SToomas Soome }
121*22028508SToomas Soome
122*22028508SToomas Soome dev_cleanup();
123*22028508SToomas Soome
124*22028508SToomas Soome /* Clean D-cache under kernel area and invalidate whole I-cache */
125*22028508SToomas Soome clean_addr = (vm_offset_t)efi_translate(fp->f_addr);
126*22028508SToomas Soome clean_size = (vm_offset_t)efi_translate(kernendp) - clean_addr;
127*22028508SToomas Soome
128*22028508SToomas Soome cpu_flush_dcache((void *)clean_addr, clean_size);
129*22028508SToomas Soome cpu_inval_icache(NULL, 0);
130*22028508SToomas Soome
131*22028508SToomas Soome (*entry)(modulep);
132*22028508SToomas Soome panic("exec returned");
133*22028508SToomas Soome }
134*22028508SToomas Soome
135*22028508SToomas Soome static int
elf64_obj_exec(struct preloaded_file * fp)136*22028508SToomas Soome elf64_obj_exec(struct preloaded_file *fp)
137*22028508SToomas Soome {
138*22028508SToomas Soome
139*22028508SToomas Soome printf("%s called for preloaded file %p (=%s):\n", __func__, fp,
140*22028508SToomas Soome fp->f_name);
141*22028508SToomas Soome return (ENOSYS);
142*22028508SToomas Soome }
143*22028508SToomas Soome
144