In a subsquent commit the TPM emulation will build it's own TPM2 table. This needs to be registered to the RSDT and XSDT. Instead of making the rsdt and xsdt variables global, we can simply add a helper to basl. Reviewed by: markj MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D40559
680 lines
16 KiB
C
680 lines
16 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2022 Beckhoff Automation GmbH & Co. KG
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <machine/vmm.h>
|
|
|
|
#include <assert.h>
|
|
#include <err.h>
|
|
#include <libutil.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <vmmapi.h>
|
|
|
|
#include "basl.h"
|
|
#include "qemu_loader.h"
|
|
|
|
struct basl_table_checksum {
|
|
STAILQ_ENTRY(basl_table_checksum) chain;
|
|
uint32_t off;
|
|
uint32_t start;
|
|
uint32_t len;
|
|
};
|
|
|
|
struct basl_table_length {
|
|
STAILQ_ENTRY(basl_table_length) chain;
|
|
uint32_t off;
|
|
uint8_t size;
|
|
};
|
|
|
|
struct basl_table_pointer {
|
|
STAILQ_ENTRY(basl_table_pointer) chain;
|
|
uint8_t src_signature[ACPI_NAMESEG_SIZE];
|
|
uint32_t off;
|
|
uint8_t size;
|
|
};
|
|
|
|
struct basl_table {
|
|
STAILQ_ENTRY(basl_table) chain;
|
|
struct vmctx *ctx;
|
|
uint8_t fwcfg_name[QEMU_FWCFG_MAX_NAME];
|
|
void *data;
|
|
uint32_t len;
|
|
uint32_t off;
|
|
uint32_t alignment;
|
|
STAILQ_HEAD(basl_table_checksum_list, basl_table_checksum) checksums;
|
|
STAILQ_HEAD(basl_table_length_list, basl_table_length) lengths;
|
|
STAILQ_HEAD(basl_table_pointer_list, basl_table_pointer) pointers;
|
|
};
|
|
static STAILQ_HEAD(basl_table_list, basl_table) basl_tables = STAILQ_HEAD_INITIALIZER(
|
|
basl_tables);
|
|
|
|
static struct qemu_loader *basl_loader;
|
|
static struct basl_table *rsdt;
|
|
static struct basl_table *xsdt;
|
|
|
|
static __inline uint64_t
|
|
basl_le_dec(void *pp, size_t len)
|
|
{
|
|
assert(len <= 8);
|
|
|
|
switch (len) {
|
|
case 1:
|
|
return ((uint8_t *)pp)[0];
|
|
case 2:
|
|
return le16dec(pp);
|
|
case 4:
|
|
return le32dec(pp);
|
|
case 8:
|
|
return le64dec(pp);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __inline void
|
|
basl_le_enc(void *pp, uint64_t val, size_t len)
|
|
{
|
|
char buf[8];
|
|
|
|
assert(len <= 8);
|
|
|
|
le64enc(buf, val);
|
|
memcpy(pp, buf, len);
|
|
}
|
|
|
|
static int
|
|
basl_dump_table(const struct basl_table *const table, const bool mem)
|
|
{
|
|
const ACPI_TABLE_HEADER *const header = table->data;
|
|
const uint8_t *data;
|
|
|
|
if (!mem) {
|
|
data = table->data;
|
|
} else {
|
|
data = vm_map_gpa(table->ctx, BHYVE_ACPI_BASE + table->off,
|
|
table->len);
|
|
if (data == NULL) {
|
|
return (ENOMEM);
|
|
}
|
|
}
|
|
|
|
printf("%.4s @ %8x (%s)\n", header->Signature,
|
|
BHYVE_ACPI_BASE + table->off, mem ? "Memory" : "FwCfg");
|
|
hexdump(data, table->len, NULL, 0);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int __unused
|
|
basl_dump(const bool mem)
|
|
{
|
|
struct basl_table *table;
|
|
|
|
STAILQ_FOREACH(table, &basl_tables, chain) {
|
|
BASL_EXEC(basl_dump_table(table, mem));
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
basl_fill_gas(ACPI_GENERIC_ADDRESS *const gas, const uint8_t space_id,
|
|
const uint8_t bit_width, const uint8_t bit_offset,
|
|
const uint8_t access_width, const uint64_t address)
|
|
{
|
|
assert(gas != NULL);
|
|
|
|
gas->SpaceId = space_id;
|
|
gas->BitWidth = bit_width;
|
|
gas->BitOffset = bit_offset;
|
|
gas->AccessWidth = access_width;
|
|
gas->Address = htole64(address);
|
|
}
|
|
|
|
static int
|
|
basl_finish_install_guest_tables(struct basl_table *const table, uint32_t *const off)
|
|
{
|
|
void *gva;
|
|
|
|
table->off = roundup2(*off, table->alignment);
|
|
*off = table->off + table->len;
|
|
if (*off <= table->off) {
|
|
warnx("%s: invalid table length 0x%8x @ offset 0x%8x", __func__,
|
|
table->len, table->off);
|
|
return (EFAULT);
|
|
}
|
|
|
|
/*
|
|
* Install ACPI tables directly in guest memory for use by guests which
|
|
* do not boot via EFI. EFI ROMs provide a pointer to the firmware
|
|
* generated ACPI tables instead, but it doesn't hurt to install the
|
|
* tables always.
|
|
*/
|
|
gva = vm_map_gpa(table->ctx, BHYVE_ACPI_BASE + table->off, table->len);
|
|
if (gva == NULL) {
|
|
warnx("%s: could not map gpa [ 0x%16lx, 0x%16lx ]", __func__,
|
|
(uint64_t)BHYVE_ACPI_BASE + table->off,
|
|
(uint64_t)BHYVE_ACPI_BASE + table->off + table->len);
|
|
return (ENOMEM);
|
|
}
|
|
memcpy(gva, table->data, table->len);
|
|
|
|
/* Cause guest bios to copy the ACPI table into guest memory. */
|
|
BASL_EXEC(
|
|
qemu_fwcfg_add_file(table->fwcfg_name, table->len, table->data));
|
|
BASL_EXEC(qemu_loader_alloc(basl_loader, table->fwcfg_name,
|
|
table->alignment, QEMU_LOADER_ALLOC_HIGH));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
basl_finish_patch_checksums(struct basl_table *const table)
|
|
{
|
|
struct basl_table_checksum *checksum;
|
|
|
|
STAILQ_FOREACH(checksum, &table->checksums, chain) {
|
|
uint8_t *gva, *checksum_gva;
|
|
uint64_t gpa;
|
|
uint32_t len;
|
|
uint8_t sum;
|
|
|
|
len = checksum->len;
|
|
if (len == BASL_TABLE_CHECKSUM_LEN_FULL_TABLE) {
|
|
len = table->len;
|
|
}
|
|
|
|
assert(checksum->off < table->len);
|
|
assert(checksum->start < table->len);
|
|
assert(checksum->start + len <= table->len);
|
|
|
|
/*
|
|
* Install ACPI tables directly in guest memory for use by
|
|
* guests which do not boot via EFI. EFI ROMs provide a pointer
|
|
* to the firmware generated ACPI tables instead, but it doesn't
|
|
* hurt to install the tables always.
|
|
*/
|
|
gpa = BHYVE_ACPI_BASE + table->off + checksum->start;
|
|
if ((gpa < BHYVE_ACPI_BASE) ||
|
|
(gpa < BHYVE_ACPI_BASE + table->off)) {
|
|
warnx("%s: invalid gpa (off 0x%8x start 0x%8x)",
|
|
__func__, table->off, checksum->start);
|
|
return (EFAULT);
|
|
}
|
|
|
|
gva = vm_map_gpa(table->ctx, gpa, len);
|
|
if (gva == NULL) {
|
|
warnx("%s: could not map gpa [ 0x%16lx, 0x%16lx ]",
|
|
__func__, gpa, gpa + len);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
checksum_gva = gva + checksum->off;
|
|
if (checksum_gva < gva) {
|
|
warnx("%s: invalid checksum offset 0x%8x", __func__,
|
|
checksum->off);
|
|
return (EFAULT);
|
|
}
|
|
|
|
sum = 0;
|
|
for (uint32_t i = 0; i < len; ++i) {
|
|
sum += *(gva + i);
|
|
}
|
|
*checksum_gva = -sum;
|
|
|
|
/* Cause guest bios to patch the checksum. */
|
|
BASL_EXEC(qemu_loader_add_checksum(basl_loader,
|
|
table->fwcfg_name, checksum->off, checksum->start, len));
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static struct basl_table *
|
|
basl_get_table_by_signature(const uint8_t signature[ACPI_NAMESEG_SIZE])
|
|
{
|
|
struct basl_table *table;
|
|
|
|
STAILQ_FOREACH(table, &basl_tables, chain) {
|
|
const ACPI_TABLE_HEADER *const header =
|
|
(const ACPI_TABLE_HEADER *)table->data;
|
|
|
|
if (strncmp(header->Signature, signature,
|
|
sizeof(header->Signature)) == 0) {
|
|
return (table);
|
|
}
|
|
}
|
|
|
|
warnx("%s: %.4s not found", __func__, signature);
|
|
return (NULL);
|
|
}
|
|
|
|
static int
|
|
basl_finish_patch_pointers(struct basl_table *const table)
|
|
{
|
|
struct basl_table_pointer *pointer;
|
|
|
|
STAILQ_FOREACH(pointer, &table->pointers, chain) {
|
|
const struct basl_table *src_table;
|
|
uint8_t *gva;
|
|
uint64_t gpa, val;
|
|
|
|
assert(pointer->off < table->len);
|
|
assert(pointer->off + pointer->size <= table->len);
|
|
|
|
src_table = basl_get_table_by_signature(pointer->src_signature);
|
|
if (src_table == NULL) {
|
|
warnx("%s: could not find ACPI table %.4s", __func__,
|
|
pointer->src_signature);
|
|
return (EFAULT);
|
|
}
|
|
|
|
/*
|
|
* Install ACPI tables directly in guest memory for use by
|
|
* guests which do not boot via EFI. EFI ROMs provide a pointer
|
|
* to the firmware generated ACPI tables instead, but it doesn't
|
|
* hurt to install the tables always.
|
|
*/
|
|
gpa = BHYVE_ACPI_BASE + table->off;
|
|
if (gpa < BHYVE_ACPI_BASE) {
|
|
warnx("%s: table offset of 0x%8x is too large",
|
|
__func__, table->off);
|
|
return (EFAULT);
|
|
}
|
|
|
|
gva = vm_map_gpa(table->ctx, gpa, table->len);
|
|
if (gva == NULL) {
|
|
warnx("%s: could not map gpa [ 0x%16lx, 0x%16lx ]",
|
|
__func__, gpa, gpa + table->len);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
val = basl_le_dec(gva + pointer->off, pointer->size);
|
|
val += BHYVE_ACPI_BASE + src_table->off;
|
|
basl_le_enc(gva + pointer->off, val, pointer->size);
|
|
|
|
/* Cause guest bios to patch the pointer. */
|
|
BASL_EXEC(
|
|
qemu_loader_add_pointer(basl_loader, table->fwcfg_name,
|
|
src_table->fwcfg_name, pointer->off, pointer->size));
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
basl_finish_set_length(struct basl_table *const table)
|
|
{
|
|
struct basl_table_length *length;
|
|
|
|
STAILQ_FOREACH(length, &table->lengths, chain) {
|
|
assert(length->off < table->len);
|
|
assert(length->off + length->size <= table->len);
|
|
|
|
basl_le_enc((uint8_t *)table->data + length->off, table->len,
|
|
length->size);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_finish(void)
|
|
{
|
|
struct basl_table *table;
|
|
uint32_t off = 0;
|
|
|
|
if (STAILQ_EMPTY(&basl_tables)) {
|
|
warnx("%s: no ACPI tables found", __func__);
|
|
return (EINVAL);
|
|
}
|
|
|
|
/*
|
|
* We have to install all tables before we can patch them. Therefore,
|
|
* use two loops. The first one installs all tables and the second one
|
|
* patches them.
|
|
*/
|
|
STAILQ_FOREACH(table, &basl_tables, chain) {
|
|
BASL_EXEC(basl_finish_set_length(table));
|
|
BASL_EXEC(basl_finish_install_guest_tables(table, &off));
|
|
}
|
|
STAILQ_FOREACH(table, &basl_tables, chain) {
|
|
BASL_EXEC(basl_finish_patch_pointers(table));
|
|
|
|
/*
|
|
* Calculate the checksum as last step!
|
|
*/
|
|
BASL_EXEC(basl_finish_patch_checksums(table));
|
|
}
|
|
BASL_EXEC(qemu_loader_finish(basl_loader));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
basl_init_rsdt(struct vmctx *const ctx)
|
|
{
|
|
BASL_EXEC(
|
|
basl_table_create(&rsdt, ctx, ACPI_SIG_RSDT, BASL_TABLE_ALIGNMENT));
|
|
|
|
/* Header */
|
|
BASL_EXEC(basl_table_append_header(rsdt, ACPI_SIG_RSDT, 1, 1));
|
|
/* Pointers (added by basl_table_register_to_rsdt) */
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
basl_init_xsdt(struct vmctx *const ctx)
|
|
{
|
|
BASL_EXEC(
|
|
basl_table_create(&xsdt, ctx, ACPI_SIG_XSDT, BASL_TABLE_ALIGNMENT));
|
|
|
|
/* Header */
|
|
BASL_EXEC(basl_table_append_header(xsdt, ACPI_SIG_XSDT, 1, 1));
|
|
/* Pointers (added by basl_table_register_to_rsdt) */
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_init(struct vmctx *const ctx)
|
|
{
|
|
BASL_EXEC(basl_init_rsdt(ctx));
|
|
BASL_EXEC(basl_init_xsdt(ctx));
|
|
BASL_EXEC(
|
|
qemu_loader_create(&basl_loader, QEMU_FWCFG_FILE_TABLE_LOADER));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_add_checksum(struct basl_table *const table, const uint32_t off,
|
|
const uint32_t start, const uint32_t len)
|
|
{
|
|
struct basl_table_checksum *checksum;
|
|
|
|
assert(table != NULL);
|
|
|
|
checksum = calloc(1, sizeof(struct basl_table_checksum));
|
|
if (checksum == NULL) {
|
|
warnx("%s: failed to allocate checksum", __func__);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
checksum->off = off;
|
|
checksum->start = start;
|
|
checksum->len = len;
|
|
|
|
STAILQ_INSERT_TAIL(&table->checksums, checksum, chain);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_add_length(struct basl_table *const table, const uint32_t off,
|
|
const uint8_t size)
|
|
{
|
|
struct basl_table_length *length;
|
|
|
|
assert(table != NULL);
|
|
assert(size == 4 || size == 8);
|
|
|
|
length = calloc(1, sizeof(struct basl_table_length));
|
|
if (length == NULL) {
|
|
warnx("%s: failed to allocate length", __func__);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
length->off = off;
|
|
length->size = size;
|
|
|
|
STAILQ_INSERT_TAIL(&table->lengths, length, chain);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_add_pointer(struct basl_table *const table,
|
|
const uint8_t src_signature[ACPI_NAMESEG_SIZE], const uint32_t off,
|
|
const uint8_t size)
|
|
{
|
|
struct basl_table_pointer *pointer;
|
|
|
|
assert(table != NULL);
|
|
assert(size == 4 || size == 8);
|
|
|
|
pointer = calloc(1, sizeof(struct basl_table_pointer));
|
|
if (pointer == NULL) {
|
|
warnx("%s: failed to allocate pointer", __func__);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
memcpy(pointer->src_signature, src_signature,
|
|
sizeof(pointer->src_signature));
|
|
pointer->off = off;
|
|
pointer->size = size;
|
|
|
|
STAILQ_INSERT_TAIL(&table->pointers, pointer, chain);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_append_bytes(struct basl_table *const table, const void *const bytes,
|
|
const uint32_t len)
|
|
{
|
|
void *end;
|
|
|
|
assert(table != NULL);
|
|
assert(bytes != NULL);
|
|
|
|
if (table->len + len <= table->len) {
|
|
warnx("%s: table too large (table->len 0x%8x len 0x%8x)",
|
|
__func__, table->len, len);
|
|
return (EFAULT);
|
|
}
|
|
|
|
table->data = reallocf(table->data, table->len + len);
|
|
if (table->data == NULL) {
|
|
warnx("%s: failed to realloc table to length 0x%8x", __func__,
|
|
table->len + len);
|
|
table->len = 0;
|
|
return (ENOMEM);
|
|
}
|
|
|
|
end = (uint8_t *)table->data + table->len;
|
|
table->len += len;
|
|
|
|
memcpy(end, bytes, len);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_append_checksum(struct basl_table *const table, const uint32_t start,
|
|
const uint32_t len)
|
|
{
|
|
assert(table != NULL);
|
|
|
|
BASL_EXEC(basl_table_add_checksum(table, table->len, start, len));
|
|
BASL_EXEC(basl_table_append_int(table, 0, 1));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_append_content(struct basl_table *table, void *data, uint32_t len)
|
|
{
|
|
assert(data != NULL);
|
|
assert(len >= sizeof(ACPI_TABLE_HEADER));
|
|
|
|
return (basl_table_append_bytes(table,
|
|
(void *)((uintptr_t)(data) + sizeof(ACPI_TABLE_HEADER)),
|
|
len - sizeof(ACPI_TABLE_HEADER)));
|
|
}
|
|
|
|
int
|
|
basl_table_append_fwcfg(struct basl_table *const table,
|
|
const uint8_t *fwcfg_name, const uint32_t alignment, const uint8_t size)
|
|
{
|
|
assert(table != NULL);
|
|
assert(fwcfg_name != NULL);
|
|
assert(size <= sizeof(uint64_t));
|
|
|
|
BASL_EXEC(qemu_loader_alloc(basl_loader, fwcfg_name, alignment,
|
|
QEMU_LOADER_ALLOC_HIGH));
|
|
BASL_EXEC(qemu_loader_add_pointer(basl_loader, table->fwcfg_name,
|
|
fwcfg_name, table->len, size));
|
|
BASL_EXEC(basl_table_append_int(table, 0, size));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_append_gas(struct basl_table *const table, const uint8_t space_id,
|
|
const uint8_t bit_width, const uint8_t bit_offset,
|
|
const uint8_t access_width, const uint64_t address)
|
|
{
|
|
ACPI_GENERIC_ADDRESS gas_le = {
|
|
.SpaceId = space_id,
|
|
.BitWidth = bit_width,
|
|
.BitOffset = bit_offset,
|
|
.AccessWidth = access_width,
|
|
.Address = htole64(address),
|
|
};
|
|
|
|
return (basl_table_append_bytes(table, &gas_le, sizeof(gas_le)));
|
|
}
|
|
|
|
int
|
|
basl_table_append_header(struct basl_table *const table,
|
|
const uint8_t signature[ACPI_NAMESEG_SIZE], const uint8_t revision,
|
|
const uint32_t oem_revision)
|
|
{
|
|
ACPI_TABLE_HEADER header_le;
|
|
/* + 1 is required for the null terminator */
|
|
char oem_table_id[ACPI_OEM_TABLE_ID_SIZE + 1];
|
|
|
|
assert(table != NULL);
|
|
assert(table->len == 0);
|
|
|
|
memcpy(header_le.Signature, signature, ACPI_NAMESEG_SIZE);
|
|
header_le.Length = 0; /* patched by basl_finish */
|
|
header_le.Revision = revision;
|
|
header_le.Checksum = 0; /* patched by basl_finish */
|
|
memcpy(header_le.OemId, "BHYVE ", ACPI_OEM_ID_SIZE);
|
|
snprintf(oem_table_id, ACPI_OEM_TABLE_ID_SIZE, "BV%.4s ", signature);
|
|
memcpy(header_le.OemTableId, oem_table_id,
|
|
sizeof(header_le.OemTableId));
|
|
header_le.OemRevision = htole32(oem_revision);
|
|
memcpy(header_le.AslCompilerId, "BASL", ACPI_NAMESEG_SIZE);
|
|
header_le.AslCompilerRevision = htole32(0x20220504);
|
|
|
|
BASL_EXEC(
|
|
basl_table_append_bytes(table, &header_le, sizeof(header_le)));
|
|
|
|
BASL_EXEC(basl_table_add_length(table,
|
|
offsetof(ACPI_TABLE_HEADER, Length), sizeof(header_le.Length)));
|
|
BASL_EXEC(basl_table_add_checksum(table,
|
|
offsetof(ACPI_TABLE_HEADER, Checksum), 0,
|
|
BASL_TABLE_CHECKSUM_LEN_FULL_TABLE));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_append_int(struct basl_table *const table, const uint64_t val,
|
|
const uint8_t size)
|
|
{
|
|
char buf[8];
|
|
|
|
assert(size <= sizeof(val));
|
|
|
|
basl_le_enc(buf, val, size);
|
|
return (basl_table_append_bytes(table, buf, size));
|
|
}
|
|
|
|
int
|
|
basl_table_append_length(struct basl_table *const table, const uint8_t size)
|
|
{
|
|
assert(table != NULL);
|
|
assert(size <= sizeof(table->len));
|
|
|
|
BASL_EXEC(basl_table_add_length(table, table->len, size));
|
|
BASL_EXEC(basl_table_append_int(table, 0, size));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_append_pointer(struct basl_table *const table,
|
|
const uint8_t src_signature[ACPI_NAMESEG_SIZE], const uint8_t size)
|
|
{
|
|
assert(table != NULL);
|
|
assert(size == 4 || size == 8);
|
|
|
|
BASL_EXEC(basl_table_add_pointer(table, src_signature, table->len, size));
|
|
BASL_EXEC(basl_table_append_int(table, 0, size));
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_create(struct basl_table **const table, struct vmctx *ctx,
|
|
const uint8_t *const name, const uint32_t alignment)
|
|
{
|
|
struct basl_table *new_table;
|
|
|
|
assert(table != NULL);
|
|
|
|
new_table = calloc(1, sizeof(struct basl_table));
|
|
if (new_table == NULL) {
|
|
warnx("%s: failed to allocate table", __func__);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
new_table->ctx = ctx;
|
|
|
|
snprintf(new_table->fwcfg_name, sizeof(new_table->fwcfg_name),
|
|
"etc/acpi/%s", name);
|
|
|
|
new_table->alignment = alignment;
|
|
|
|
STAILQ_INIT(&new_table->checksums);
|
|
STAILQ_INIT(&new_table->lengths);
|
|
STAILQ_INIT(&new_table->pointers);
|
|
|
|
STAILQ_INSERT_TAIL(&basl_tables, new_table, chain);
|
|
|
|
*table = new_table;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
basl_table_register_to_rsdt(struct basl_table *table)
|
|
{
|
|
const ACPI_TABLE_HEADER *header;
|
|
|
|
assert(table != NULL);
|
|
|
|
header = (const ACPI_TABLE_HEADER *)table->data;
|
|
|
|
BASL_EXEC(basl_table_append_pointer(rsdt, header->Signature,
|
|
ACPI_RSDT_ENTRY_SIZE));
|
|
BASL_EXEC(basl_table_append_pointer(xsdt, header->Signature,
|
|
ACPI_XSDT_ENTRY_SIZE));
|
|
|
|
return (0);
|
|
}
|