diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/acpi/aml-build.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/acpi/aml-build.c')
-rw-r--r-- | qemu/hw/acpi/aml-build.c | 1565 |
1 files changed, 0 insertions, 1565 deletions
diff --git a/qemu/hw/acpi/aml-build.c b/qemu/hw/acpi/aml-build.c deleted file mode 100644 index ab89ca638..000000000 --- a/qemu/hw/acpi/aml-build.c +++ /dev/null @@ -1,1565 +0,0 @@ -/* Support for generating ACPI tables and passing them to Guests - * - * Copyright (C) 2015 Red Hat Inc - * - * Author: Michael S. Tsirkin <mst@redhat.com> - * Author: Igor Mammedov <imammedo@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include <glib/gprintf.h> -#include "hw/acpi/aml-build.h" -#include "qemu/bswap.h" -#include "qemu/bitops.h" -#include "hw/acpi/bios-linker-loader.h" - -static GArray *build_alloc_array(void) -{ - return g_array_new(false, true /* clear */, 1); -} - -static void build_free_array(GArray *array) -{ - g_array_free(array, true); -} - -static void build_prepend_byte(GArray *array, uint8_t val) -{ - g_array_prepend_val(array, val); -} - -static void build_append_byte(GArray *array, uint8_t val) -{ - g_array_append_val(array, val); -} - -static void build_append_array(GArray *array, GArray *val) -{ - g_array_append_vals(array, val->data, val->len); -} - -#define ACPI_NAMESEG_LEN 4 - -static void -build_append_nameseg(GArray *array, const char *seg) -{ - int len; - - len = strlen(seg); - assert(len <= ACPI_NAMESEG_LEN); - - g_array_append_vals(array, seg, len); - /* Pad up to ACPI_NAMESEG_LEN characters if necessary. */ - g_array_append_vals(array, "____", ACPI_NAMESEG_LEN - len); -} - -static void GCC_FMT_ATTR(2, 0) -build_append_namestringv(GArray *array, const char *format, va_list ap) -{ - char *s; - char **segs; - char **segs_iter; - int seg_count = 0; - - s = g_strdup_vprintf(format, ap); - segs = g_strsplit(s, ".", 0); - g_free(s); - - /* count segments */ - segs_iter = segs; - while (*segs_iter) { - ++segs_iter; - ++seg_count; - } - /* - * ACPI 5.0 spec: 20.2.2 Name Objects Encoding: - * "SegCount can be from 1 to 255" - */ - assert(seg_count > 0 && seg_count <= 255); - - /* handle RootPath || PrefixPath */ - s = *segs; - while (*s == '\\' || *s == '^') { - build_append_byte(array, *s); - ++s; - } - - switch (seg_count) { - case 1: - if (!*s) { - build_append_byte(array, 0x00); /* NullName */ - } else { - build_append_nameseg(array, s); - } - break; - - case 2: - build_append_byte(array, 0x2E); /* DualNamePrefix */ - build_append_nameseg(array, s); - build_append_nameseg(array, segs[1]); - break; - default: - build_append_byte(array, 0x2F); /* MultiNamePrefix */ - build_append_byte(array, seg_count); - - /* handle the 1st segment manually due to prefix/root path */ - build_append_nameseg(array, s); - - /* add the rest of segments */ - segs_iter = segs + 1; - while (*segs_iter) { - build_append_nameseg(array, *segs_iter); - ++segs_iter; - } - break; - } - g_strfreev(segs); -} - -GCC_FMT_ATTR(2, 3) -static void build_append_namestring(GArray *array, const char *format, ...) -{ - va_list ap; - - va_start(ap, format); - build_append_namestringv(array, format, ap); - va_end(ap); -} - -/* 5.4 Definition Block Encoding */ -enum { - PACKAGE_LENGTH_1BYTE_SHIFT = 6, /* Up to 63 - use extra 2 bits. */ - PACKAGE_LENGTH_2BYTE_SHIFT = 4, - PACKAGE_LENGTH_3BYTE_SHIFT = 12, - PACKAGE_LENGTH_4BYTE_SHIFT = 20, -}; - -static void -build_prepend_package_length(GArray *package, unsigned length, bool incl_self) -{ - uint8_t byte; - unsigned length_bytes; - - if (length + 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT)) { - length_bytes = 1; - } else if (length + 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT)) { - length_bytes = 2; - } else if (length + 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT)) { - length_bytes = 3; - } else { - length_bytes = 4; - } - - /* - * NamedField uses PkgLength encoding but it doesn't include length - * of PkgLength itself. - */ - if (incl_self) { - /* - * PkgLength is the length of the inclusive length of the data - * and PkgLength's length itself when used for terms with - * explitit length. - */ - length += length_bytes; - } - - switch (length_bytes) { - case 1: - byte = length; - build_prepend_byte(package, byte); - return; - case 4: - byte = length >> PACKAGE_LENGTH_4BYTE_SHIFT; - build_prepend_byte(package, byte); - length &= (1 << PACKAGE_LENGTH_4BYTE_SHIFT) - 1; - /* fall through */ - case 3: - byte = length >> PACKAGE_LENGTH_3BYTE_SHIFT; - build_prepend_byte(package, byte); - length &= (1 << PACKAGE_LENGTH_3BYTE_SHIFT) - 1; - /* fall through */ - case 2: - byte = length >> PACKAGE_LENGTH_2BYTE_SHIFT; - build_prepend_byte(package, byte); - length &= (1 << PACKAGE_LENGTH_2BYTE_SHIFT) - 1; - /* fall through */ - } - /* - * Most significant two bits of byte zero indicate how many following bytes - * are in PkgLength encoding. - */ - byte = ((length_bytes - 1) << PACKAGE_LENGTH_1BYTE_SHIFT) | length; - build_prepend_byte(package, byte); -} - -static void -build_append_pkg_length(GArray *array, unsigned length, bool incl_self) -{ - GArray *tmp = build_alloc_array(); - - build_prepend_package_length(tmp, length, incl_self); - build_append_array(array, tmp); - build_free_array(tmp); -} - -static void build_package(GArray *package, uint8_t op) -{ - build_prepend_package_length(package, package->len, true); - build_prepend_byte(package, op); -} - -static void build_extop_package(GArray *package, uint8_t op) -{ - build_package(package, op); - build_prepend_byte(package, 0x5B); /* ExtOpPrefix */ -} - -static void build_append_int_noprefix(GArray *table, uint64_t value, int size) -{ - int i; - - for (i = 0; i < size; ++i) { - build_append_byte(table, value & 0xFF); - value = value >> 8; - } -} - -static void build_append_int(GArray *table, uint64_t value) -{ - if (value == 0x00) { - build_append_byte(table, 0x00); /* ZeroOp */ - } else if (value == 0x01) { - build_append_byte(table, 0x01); /* OneOp */ - } else if (value <= 0xFF) { - build_append_byte(table, 0x0A); /* BytePrefix */ - build_append_int_noprefix(table, value, 1); - } else if (value <= 0xFFFF) { - build_append_byte(table, 0x0B); /* WordPrefix */ - build_append_int_noprefix(table, value, 2); - } else if (value <= 0xFFFFFFFF) { - build_append_byte(table, 0x0C); /* DWordPrefix */ - build_append_int_noprefix(table, value, 4); - } else { - build_append_byte(table, 0x0E); /* QWordPrefix */ - build_append_int_noprefix(table, value, 8); - } -} - -/* - * Build NAME(XXXX, 0x00000000) where 0x00000000 is encoded as a dword, - * and return the offset to 0x00000000 for runtime patching. - * - * Warning: runtime patching is best avoided. Only use this as - * a replacement for DataTableRegion (for guests that don't - * support it). - */ -int -build_append_named_dword(GArray *array, const char *name_format, ...) -{ - int offset; - va_list ap; - - build_append_byte(array, 0x08); /* NameOp */ - va_start(ap, name_format); - build_append_namestringv(array, name_format, ap); - va_end(ap); - - build_append_byte(array, 0x0C); /* DWordPrefix */ - - offset = array->len; - build_append_int_noprefix(array, 0x00000000, 4); - assert(array->len == offset + 4); - - return offset; -} - -static GPtrArray *alloc_list; - -static Aml *aml_alloc(void) -{ - Aml *var = g_new0(typeof(*var), 1); - - g_ptr_array_add(alloc_list, var); - var->block_flags = AML_NO_OPCODE; - var->buf = build_alloc_array(); - return var; -} - -static Aml *aml_opcode(uint8_t op) -{ - Aml *var = aml_alloc(); - - var->op = op; - var->block_flags = AML_OPCODE; - return var; -} - -static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags) -{ - Aml *var = aml_alloc(); - - var->op = op; - var->block_flags = flags; - return var; -} - -static void aml_free(gpointer data, gpointer user_data) -{ - Aml *var = data; - build_free_array(var->buf); - g_free(var); -} - -Aml *init_aml_allocator(void) -{ - Aml *var; - - assert(!alloc_list); - alloc_list = g_ptr_array_new(); - var = aml_alloc(); - return var; -} - -void free_aml_allocator(void) -{ - g_ptr_array_foreach(alloc_list, aml_free, NULL); - g_ptr_array_free(alloc_list, true); - alloc_list = 0; -} - -/* pack data with DefBuffer encoding */ -static void build_buffer(GArray *array, uint8_t op) -{ - GArray *data = build_alloc_array(); - - build_append_int(data, array->len); - g_array_prepend_vals(array, data->data, data->len); - build_free_array(data); - build_package(array, op); -} - -void aml_append(Aml *parent_ctx, Aml *child) -{ - GArray *buf = build_alloc_array(); - build_append_array(buf, child->buf); - - switch (child->block_flags) { - case AML_OPCODE: - build_append_byte(parent_ctx->buf, child->op); - break; - case AML_EXT_PACKAGE: - build_extop_package(buf, child->op); - break; - case AML_PACKAGE: - build_package(buf, child->op); - break; - case AML_RES_TEMPLATE: - build_append_byte(buf, 0x79); /* EndTag */ - /* - * checksum operations are treated as succeeded if checksum - * field is zero. [ACPI Spec 1.0b, 6.4.2.8 End Tag] - */ - build_append_byte(buf, 0); - /* fall through, to pack resources in buffer */ - case AML_BUFFER: - build_buffer(buf, child->op); - break; - case AML_NO_OPCODE: - break; - default: - assert(0); - break; - } - build_append_array(parent_ctx->buf, buf); - build_free_array(buf); -} - -/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */ -Aml *aml_scope(const char *name_format, ...) -{ - va_list ap; - Aml *var = aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE); - va_start(ap, name_format); - build_append_namestringv(var->buf, name_format, ap); - va_end(ap); - return var; -} - -/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */ -Aml *aml_return(Aml *val) -{ - Aml *var = aml_opcode(0xA4 /* ReturnOp */); - aml_append(var, val); - return var; -} - -/* - * ACPI 1.0b: 16.2.3 Data Objects Encoding: - * encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp - */ -Aml *aml_int(const uint64_t val) -{ - Aml *var = aml_alloc(); - build_append_int(var->buf, val); - return var; -} - -/* - * helper to construct NameString, which returns Aml object - * for using with aml_append or other aml_* terms - */ -Aml *aml_name(const char *name_format, ...) -{ - va_list ap; - Aml *var = aml_alloc(); - va_start(ap, name_format); - build_append_namestringv(var->buf, name_format, ap); - va_end(ap); - return var; -} - -/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefName */ -Aml *aml_name_decl(const char *name, Aml *val) -{ - Aml *var = aml_opcode(0x08 /* NameOp */); - build_append_namestring(var->buf, "%s", name); - aml_append(var, val); - return var; -} - -/* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */ -Aml *aml_arg(int pos) -{ - Aml *var; - uint8_t op = 0x68 /* ARG0 op */ + pos; - - assert(pos <= 6); - var = aml_opcode(op); - return var; -} - -/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */ -Aml *aml_to_integer(Aml *arg) -{ - Aml *var = aml_opcode(0x99 /* ToIntegerOp */); - aml_append(var, arg); - build_append_byte(var->buf, 0x00 /* NullNameOp */); - return var; -} - -/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */ -Aml *aml_to_hexstring(Aml *src, Aml *dst) -{ - Aml *var = aml_opcode(0x98 /* ToHexStringOp */); - aml_append(var, src); - if (dst) { - aml_append(var, dst); - } else { - build_append_byte(var->buf, 0x00 /* NullNameOp */); - } - return var; -} - -/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToBuffer */ -Aml *aml_to_buffer(Aml *src, Aml *dst) -{ - Aml *var = aml_opcode(0x96 /* ToBufferOp */); - aml_append(var, src); - if (dst) { - aml_append(var, dst); - } else { - build_append_byte(var->buf, 0x00 /* NullNameOp */); - } - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */ -Aml *aml_store(Aml *val, Aml *target) -{ - Aml *var = aml_opcode(0x70 /* StoreOp */); - aml_append(var, val); - aml_append(var, target); - return var; -} - -/** - * build_opcode_2arg_dst: - * @op: 1-byte opcode - * @arg1: 1st operand - * @arg2: 2nd operand - * @dst: optional target to store to, set to NULL if it's not required - * - * An internal helper to compose AML terms that have - * "Op Operand Operand Target" - * pattern. - * - * Returns: The newly allocated and composed according to patter Aml object. - */ -static Aml * -build_opcode_2arg_dst(uint8_t op, Aml *arg1, Aml *arg2, Aml *dst) -{ - Aml *var = aml_opcode(op); - aml_append(var, arg1); - aml_append(var, arg2); - if (dst) { - aml_append(var, dst); - } else { - build_append_byte(var->buf, 0x00 /* NullNameOp */); - } - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */ -Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst) -{ - return build_opcode_2arg_dst(0x7B /* AndOp */, arg1, arg2, dst); -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */ -Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst) -{ - return build_opcode_2arg_dst(0x7D /* OrOp */, arg1, arg2, dst); -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */ -Aml *aml_lor(Aml *arg1, Aml *arg2) -{ - Aml *var = aml_opcode(0x91 /* LOrOp */); - aml_append(var, arg1); - aml_append(var, arg2); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */ -Aml *aml_shiftleft(Aml *arg1, Aml *count) -{ - return build_opcode_2arg_dst(0x79 /* ShiftLeftOp */, arg1, count, NULL); -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */ -Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst) -{ - return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst); -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */ -Aml *aml_lless(Aml *arg1, Aml *arg2) -{ - Aml *var = aml_opcode(0x95 /* LLessOp */); - aml_append(var, arg1); - aml_append(var, arg2); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */ -Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst) -{ - return build_opcode_2arg_dst(0x72 /* AddOp */, arg1, arg2, dst); -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */ -Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst) -{ - return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1, arg2, dst); -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */ -Aml *aml_increment(Aml *arg) -{ - Aml *var = aml_opcode(0x75 /* IncrementOp */); - aml_append(var, arg); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */ -Aml *aml_decrement(Aml *arg) -{ - Aml *var = aml_opcode(0x76 /* DecrementOp */); - aml_append(var, arg); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */ -Aml *aml_index(Aml *arg1, Aml *idx) -{ - return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1, idx, NULL); -} - -/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */ -Aml *aml_notify(Aml *arg1, Aml *arg2) -{ - Aml *var = aml_opcode(0x86 /* NotifyOp */); - aml_append(var, arg1); - aml_append(var, arg2); - return var; -} - -/* helper to call method with 1 argument */ -Aml *aml_call0(const char *method) -{ - Aml *var = aml_alloc(); - build_append_namestring(var->buf, "%s", method); - return var; -} - -/* helper to call method with 1 argument */ -Aml *aml_call1(const char *method, Aml *arg1) -{ - Aml *var = aml_alloc(); - build_append_namestring(var->buf, "%s", method); - aml_append(var, arg1); - return var; -} - -/* helper to call method with 2 arguments */ -Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2) -{ - Aml *var = aml_alloc(); - build_append_namestring(var->buf, "%s", method); - aml_append(var, arg1); - aml_append(var, arg2); - return var; -} - -/* helper to call method with 3 arguments */ -Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3) -{ - Aml *var = aml_alloc(); - build_append_namestring(var->buf, "%s", method); - aml_append(var, arg1); - aml_append(var, arg2); - aml_append(var, arg3); - return var; -} - -/* helper to call method with 4 arguments */ -Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4) -{ - Aml *var = aml_alloc(); - build_append_namestring(var->buf, "%s", method); - aml_append(var, arg1); - aml_append(var, arg2); - aml_append(var, arg3); - aml_append(var, arg4); - return var; -} - -/* - * ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor - * Type 1, Large Item Name 0xC - */ - -static Aml *aml_gpio_connection(AmlGpioConnectionType type, - AmlConsumerAndProducer con_and_pro, - uint8_t flags, AmlPinConfig pin_config, - uint16_t output_drive, - uint16_t debounce_timeout, - const uint32_t pin_list[], uint32_t pin_count, - const char *resource_source_name, - const uint8_t *vendor_data, - uint16_t vendor_data_len) -{ - Aml *var = aml_alloc(); - const uint16_t min_desc_len = 0x16; - uint16_t resource_source_name_len, length; - uint16_t pin_table_offset, resource_source_name_offset, vendor_data_offset; - uint32_t i; - - assert(resource_source_name); - resource_source_name_len = strlen(resource_source_name) + 1; - length = min_desc_len + resource_source_name_len + vendor_data_len; - pin_table_offset = min_desc_len + 1; - resource_source_name_offset = pin_table_offset + pin_count * 2; - vendor_data_offset = resource_source_name_offset + resource_source_name_len; - - build_append_byte(var->buf, 0x8C); /* GPIO Connection Descriptor */ - build_append_int_noprefix(var->buf, length, 2); /* Length */ - build_append_byte(var->buf, 1); /* Revision ID */ - build_append_byte(var->buf, type); /* GPIO Connection Type */ - /* General Flags (2 bytes) */ - build_append_int_noprefix(var->buf, con_and_pro, 2); - /* Interrupt and IO Flags (2 bytes) */ - build_append_int_noprefix(var->buf, flags, 2); - /* Pin Configuration 0 = Default 1 = Pull-up 2 = Pull-down 3 = No Pull */ - build_append_byte(var->buf, pin_config); - /* Output Drive Strength (2 bytes) */ - build_append_int_noprefix(var->buf, output_drive, 2); - /* Debounce Timeout (2 bytes) */ - build_append_int_noprefix(var->buf, debounce_timeout, 2); - /* Pin Table Offset (2 bytes) */ - build_append_int_noprefix(var->buf, pin_table_offset, 2); - build_append_byte(var->buf, 0); /* Resource Source Index */ - /* Resource Source Name Offset (2 bytes) */ - build_append_int_noprefix(var->buf, resource_source_name_offset, 2); - /* Vendor Data Offset (2 bytes) */ - build_append_int_noprefix(var->buf, vendor_data_offset, 2); - /* Vendor Data Length (2 bytes) */ - build_append_int_noprefix(var->buf, vendor_data_len, 2); - /* Pin Number (2n bytes)*/ - for (i = 0; i < pin_count; i++) { - build_append_int_noprefix(var->buf, pin_list[i], 2); - } - - /* Resource Source Name */ - build_append_namestring(var->buf, "%s", resource_source_name); - build_append_byte(var->buf, '\0'); - - /* Vendor-defined Data */ - if (vendor_data != NULL) { - g_array_append_vals(var->buf, vendor_data, vendor_data_len); - } - - return var; -} - -/* - * ACPI 5.0: 19.5.53 - * GpioInt(GPIO Interrupt Connection Resource Descriptor Macro) - */ -Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro, - AmlLevelAndEdge edge_level, - AmlActiveHighAndLow active_level, AmlShared shared, - AmlPinConfig pin_config, uint16_t debounce_timeout, - const uint32_t pin_list[], uint32_t pin_count, - const char *resource_source_name, - const uint8_t *vendor_data, uint16_t vendor_data_len) -{ - uint8_t flags = edge_level | (active_level << 1) | (shared << 3); - - return aml_gpio_connection(AML_INTERRUPT_CONNECTION, con_and_pro, flags, - pin_config, 0, debounce_timeout, pin_list, - pin_count, resource_source_name, vendor_data, - vendor_data_len); -} - -/* - * ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor - * (Type 1, Large Item Name 0x6) - */ -Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, - AmlReadAndWrite read_and_write) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */ - build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */ - build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */ - build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */ - - /* Range base address */ - build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */ - build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */ - build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */ - build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */ - - /* Range length */ - build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */ - build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */ - build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */ - build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */ - return var; -} - -/* - * ACPI 5.0: 6.4.3.6 Extended Interrupt Descriptor - * Type 1, Large Item Name 0x9 - */ -Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro, - AmlLevelAndEdge level_and_edge, - AmlActiveHighAndLow high_and_low, AmlShared shared, - uint32_t *irq_list, uint8_t irq_count) -{ - int i; - Aml *var = aml_alloc(); - uint8_t irq_flags = con_and_pro | (level_and_edge << 1) - | (high_and_low << 2) | (shared << 3); - const int header_bytes_in_len = 2; - uint16_t len = header_bytes_in_len + irq_count * sizeof(uint32_t); - - assert(irq_count > 0); - - build_append_byte(var->buf, 0x89); /* Extended irq descriptor */ - build_append_byte(var->buf, len & 0xFF); /* Length, bits[7:0] */ - build_append_byte(var->buf, len >> 8); /* Length, bits[15:8] */ - build_append_byte(var->buf, irq_flags); /* Interrupt Vector Information. */ - build_append_byte(var->buf, irq_count); /* Interrupt table length */ - - /* Interrupt Number List */ - for (i = 0; i < irq_count; i++) { - build_append_int_noprefix(var->buf, irq_list[i], 4); - } - return var; -} - -/* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */ -Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, - uint8_t aln, uint8_t len) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x47); /* IO port descriptor */ - build_append_byte(var->buf, dec); - build_append_byte(var->buf, min_base & 0xff); - build_append_byte(var->buf, (min_base >> 8) & 0xff); - build_append_byte(var->buf, max_base & 0xff); - build_append_byte(var->buf, (max_base >> 8) & 0xff); - build_append_byte(var->buf, aln); - build_append_byte(var->buf, len); - return var; -} - -/* - * ACPI 1.0b: 6.4.2.1.1 ASL Macro for IRQ Descriptor - * - * More verbose description at: - * ACPI 5.0: 19.5.64 IRQNoFlags (Interrupt Resource Descriptor Macro) - * 6.4.2.1 IRQ Descriptor - */ -Aml *aml_irq_no_flags(uint8_t irq) -{ - uint16_t irq_mask; - Aml *var = aml_alloc(); - - assert(irq < 16); - build_append_byte(var->buf, 0x22); /* IRQ descriptor 2 byte form */ - - irq_mask = 1U << irq; - build_append_byte(var->buf, irq_mask & 0xFF); /* IRQ mask bits[7:0] */ - build_append_byte(var->buf, irq_mask >> 8); /* IRQ mask bits[15:8] */ - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLNot */ -Aml *aml_lnot(Aml *arg) -{ - Aml *var = aml_opcode(0x92 /* LNotOp */); - aml_append(var, arg); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */ -Aml *aml_equal(Aml *arg1, Aml *arg2) -{ - Aml *var = aml_opcode(0x93 /* LequalOp */); - aml_append(var, arg1); - aml_append(var, arg2); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreater */ -Aml *aml_lgreater(Aml *arg1, Aml *arg2) -{ - Aml *var = aml_opcode(0x94 /* LGreaterOp */); - aml_append(var, arg1); - aml_append(var, arg2); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreaterEqual */ -Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2) -{ - /* LGreaterEqualOp := LNotOp LLessOp */ - Aml *var = aml_opcode(0x92 /* LNotOp */); - build_append_byte(var->buf, 0x95 /* LLessOp */); - aml_append(var, arg1); - aml_append(var, arg2); - return var; -} - -/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */ -Aml *aml_if(Aml *predicate) -{ - Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE); - aml_append(var, predicate); - return var; -} - -/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefElse */ -Aml *aml_else(void) -{ - Aml *var = aml_bundle(0xA1 /* ElseOp */, AML_PACKAGE); - return var; -} - -/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */ -Aml *aml_while(Aml *predicate) -{ - Aml *var = aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE); - aml_append(var, predicate); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */ -Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag) -{ - Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE); - int methodflags; - - /* - * MethodFlags: - * bit 0-2: ArgCount (0-7) - * bit 3: SerializeFlag - * 0: NotSerialized - * 1: Serialized - * bit 4-7: reserved (must be 0) - */ - assert(arg_count < 8); - methodflags = arg_count | (sflag << 3); - - build_append_namestring(var->buf, "%s", name); - build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */ - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */ -Aml *aml_device(const char *name_format, ...) -{ - va_list ap; - Aml *var = aml_bundle(0x82 /* DeviceOp */, AML_EXT_PACKAGE); - va_start(ap, name_format); - build_append_namestringv(var->buf, name_format, ap); - va_end(ap); - return var; -} - -/* ACPI 1.0b: 6.4.1 ASL Macros for Resource Descriptors */ -Aml *aml_resource_template(void) -{ - /* ResourceTemplate is a buffer of Resources with EndTag at the end */ - Aml *var = aml_bundle(0x11 /* BufferOp */, AML_RES_TEMPLATE); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer - * Pass byte_list as NULL to request uninitialized buffer to reserve space. - */ -Aml *aml_buffer(int buffer_size, uint8_t *byte_list) -{ - int i; - Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); - - for (i = 0; i < buffer_size; i++) { - if (byte_list == NULL) { - build_append_byte(var->buf, 0x0); - } else { - build_append_byte(var->buf, byte_list[i]); - } - } - - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefPackage */ -Aml *aml_package(uint8_t num_elements) -{ - Aml *var = aml_bundle(0x12 /* PackageOp */, AML_PACKAGE); - build_append_byte(var->buf, num_elements); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */ -Aml *aml_operation_region(const char *name, AmlRegionSpace rs, - Aml *offset, uint32_t len) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ - build_append_byte(var->buf, 0x80); /* OpRegionOp */ - build_append_namestring(var->buf, "%s", name); - build_append_byte(var->buf, rs); - aml_append(var, offset); - build_append_int(var->buf, len); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: NamedField */ -Aml *aml_named_field(const char *name, unsigned length) -{ - Aml *var = aml_alloc(); - build_append_nameseg(var->buf, name); - build_append_pkg_length(var->buf, length, false); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: ReservedField */ -Aml *aml_reserved_field(unsigned length) -{ - Aml *var = aml_alloc(); - /* ReservedField := 0x00 PkgLength */ - build_append_byte(var->buf, 0x00); - build_append_pkg_length(var->buf, length, false); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */ -Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock, - AmlUpdateRule rule) -{ - Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE); - uint8_t flags = rule << 5 | type; - - flags |= lock << 4; /* LockRule at 4 bit offset */ - - build_append_namestring(var->buf, "%s", name); - build_append_byte(var->buf, flags); - return var; -} - -static -Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name) -{ - Aml *var = aml_opcode(opcode); - aml_append(var, srcbuf); - aml_append(var, index); - build_append_namestring(var->buf, "%s", name); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */ -Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits, - const char *name) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ - build_append_byte(var->buf, 0x13); /* CreateFieldOp */ - aml_append(var, srcbuf); - aml_append(var, bit_index); - aml_append(var, num_bits); - build_append_namestring(var->buf, "%s", name); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ -Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) -{ - return create_field_common(0x8A /* CreateDWordFieldOp */, - srcbuf, index, name); -} - -/* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */ -Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name) -{ - return create_field_common(0x8F /* CreateQWordFieldOp */, - srcbuf, index, name); -} - -/* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ -Aml *aml_string(const char *name_format, ...) -{ - Aml *var = aml_opcode(0x0D /* StringPrefix */); - va_list ap; - char *s; - int len; - - va_start(ap, name_format); - len = g_vasprintf(&s, name_format, ap); - va_end(ap); - - g_array_append_vals(var->buf, s, len + 1); - g_free(s); - - return var; -} - -/* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */ -Aml *aml_local(int num) -{ - Aml *var; - uint8_t op = 0x60 /* Local0Op */ + num; - - assert(num <= 7); - var = aml_opcode(op); - return var; -} - -/* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */ -Aml *aml_varpackage(uint32_t num_elements) -{ - Aml *var = aml_bundle(0x13 /* VarPackageOp */, AML_PACKAGE); - build_append_int(var->buf, num_elements); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */ -Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len, - const char *name_format, ...) -{ - va_list ap; - Aml *var = aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE); - va_start(ap, name_format); - build_append_namestringv(var->buf, name_format, ap); - va_end(ap); - build_append_byte(var->buf, proc_id); /* ProcID */ - build_append_int_noprefix(var->buf, pblk_addr, sizeof(pblk_addr)); - build_append_byte(var->buf, pblk_len); /* PblkLen */ - return var; -} - -static uint8_t Hex2Digit(char c) -{ - if (c >= 'A') { - return c - 'A' + 10; - } - - return c - '0'; -} - -/* ACPI 1.0b: 15.2.3.6.4.1 EISAID Macro - Convert EISA ID String To Integer */ -Aml *aml_eisaid(const char *str) -{ - Aml *var = aml_alloc(); - uint32_t id; - - g_assert(strlen(str) == 7); - id = (str[0] - 0x40) << 26 | - (str[1] - 0x40) << 21 | - (str[2] - 0x40) << 16 | - Hex2Digit(str[3]) << 12 | - Hex2Digit(str[4]) << 8 | - Hex2Digit(str[5]) << 4 | - Hex2Digit(str[6]); - - build_append_byte(var->buf, 0x0C); /* DWordPrefix */ - build_append_int_noprefix(var->buf, bswap32(id), sizeof(id)); - return var; -} - -/* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor: bytes 3-5 */ -static Aml *aml_as_desc_header(AmlResourceType type, AmlMinFixed min_fixed, - AmlMaxFixed max_fixed, AmlDecode dec, - uint8_t type_flags) -{ - uint8_t flags = max_fixed | min_fixed | dec; - Aml *var = aml_alloc(); - - build_append_byte(var->buf, type); - build_append_byte(var->buf, flags); - build_append_byte(var->buf, type_flags); /* Type Specific Flags */ - return var; -} - -/* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor */ -static Aml *aml_word_as_desc(AmlResourceType type, AmlMinFixed min_fixed, - AmlMaxFixed max_fixed, AmlDecode dec, - uint16_t addr_gran, uint16_t addr_min, - uint16_t addr_max, uint16_t addr_trans, - uint16_t len, uint8_t type_flags) -{ - Aml *var = aml_alloc(); - - build_append_byte(var->buf, 0x88); /* Word Address Space Descriptor */ - /* minimum length since we do not encode optional fields */ - build_append_byte(var->buf, 0x0D); - build_append_byte(var->buf, 0x0); - - aml_append(var, - aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); - build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); - build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); - build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); - build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); - build_append_int_noprefix(var->buf, len, sizeof(len)); - return var; -} - -/* ACPI 1.0b: 6.4.3.5.3 DWord Address Space Descriptor */ -static Aml *aml_dword_as_desc(AmlResourceType type, AmlMinFixed min_fixed, - AmlMaxFixed max_fixed, AmlDecode dec, - uint32_t addr_gran, uint32_t addr_min, - uint32_t addr_max, uint32_t addr_trans, - uint32_t len, uint8_t type_flags) -{ - Aml *var = aml_alloc(); - - build_append_byte(var->buf, 0x87); /* DWord Address Space Descriptor */ - /* minimum length since we do not encode optional fields */ - build_append_byte(var->buf, 23); - build_append_byte(var->buf, 0x0); - - - aml_append(var, - aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); - build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); - build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); - build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); - build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); - build_append_int_noprefix(var->buf, len, sizeof(len)); - return var; -} - -/* ACPI 1.0b: 6.4.3.5.1 QWord Address Space Descriptor */ -static Aml *aml_qword_as_desc(AmlResourceType type, AmlMinFixed min_fixed, - AmlMaxFixed max_fixed, AmlDecode dec, - uint64_t addr_gran, uint64_t addr_min, - uint64_t addr_max, uint64_t addr_trans, - uint64_t len, uint8_t type_flags) -{ - Aml *var = aml_alloc(); - - build_append_byte(var->buf, 0x8A); /* QWord Address Space Descriptor */ - /* minimum length since we do not encode optional fields */ - build_append_byte(var->buf, 0x2B); - build_append_byte(var->buf, 0x0); - - aml_append(var, - aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags)); - build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran)); - build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min)); - build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max)); - build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans)); - build_append_int_noprefix(var->buf, len, sizeof(len)); - return var; -} - -/* - * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor - * - * More verbose description at: - * ACPI 5.0: 19.5.141 WordBusNumber (Word Bus Number Resource Descriptor Macro) - */ -Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, - AmlDecode dec, uint16_t addr_gran, - uint16_t addr_min, uint16_t addr_max, - uint16_t addr_trans, uint16_t len) - -{ - return aml_word_as_desc(AML_BUS_NUMBER_RANGE, min_fixed, max_fixed, dec, - addr_gran, addr_min, addr_max, addr_trans, len, 0); -} - -/* - * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor - * - * More verbose description at: - * ACPI 5.0: 19.5.142 WordIO (Word IO Resource Descriptor Macro) - */ -Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, - AmlDecode dec, AmlISARanges isa_ranges, - uint16_t addr_gran, uint16_t addr_min, - uint16_t addr_max, uint16_t addr_trans, - uint16_t len) - -{ - return aml_word_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec, - addr_gran, addr_min, addr_max, addr_trans, len, - isa_ranges); -} - -/* - * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Descriptor - * - * More verbose description at: - * ACPI 5.0: 19.5.33 DWordIO (DWord IO Resource Descriptor Macro) - */ -Aml *aml_dword_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, - AmlDecode dec, AmlISARanges isa_ranges, - uint32_t addr_gran, uint32_t addr_min, - uint32_t addr_max, uint32_t addr_trans, - uint32_t len) - -{ - return aml_dword_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec, - addr_gran, addr_min, addr_max, addr_trans, len, - isa_ranges); -} - -/* - * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Space Descriptor - * - * More verbose description at: - * ACPI 5.0: 19.5.34 DWordMemory (DWord Memory Resource Descriptor Macro) - */ -Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed, - AmlMaxFixed max_fixed, AmlCacheable cacheable, - AmlReadAndWrite read_and_write, - uint32_t addr_gran, uint32_t addr_min, - uint32_t addr_max, uint32_t addr_trans, - uint32_t len) -{ - uint8_t flags = read_and_write | (cacheable << 1); - - return aml_dword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed, - dec, addr_gran, addr_min, addr_max, - addr_trans, len, flags); -} - -/* - * ACPI 1.0b: 6.4.3.5.2 ASL Macros for QWORD Address Space Descriptor - * - * More verbose description at: - * ACPI 5.0: 19.5.102 QWordMemory (QWord Memory Resource Descriptor Macro) - */ -Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, - AmlMaxFixed max_fixed, AmlCacheable cacheable, - AmlReadAndWrite read_and_write, - uint64_t addr_gran, uint64_t addr_min, - uint64_t addr_max, uint64_t addr_trans, - uint64_t len) -{ - uint8_t flags = read_and_write | (cacheable << 1); - - return aml_qword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed, - dec, addr_gran, addr_min, addr_max, - addr_trans, len, flags); -} - -/* ACPI 1.0b: 6.4.2.2 DMA Format/6.4.2.2.1 ASL Macro for DMA Descriptor */ -Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz, - uint8_t channel) -{ - Aml *var = aml_alloc(); - uint8_t flags = sz | bm << 2 | typ << 5; - - assert(channel < 8); - build_append_byte(var->buf, 0x2A); /* Byte 0: DMA Descriptor */ - build_append_byte(var->buf, 1U << channel); /* Byte 1: _DMA - DmaChannel */ - build_append_byte(var->buf, flags); /* Byte 2 */ - return var; -} - -/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefSleep */ -Aml *aml_sleep(uint64_t msec) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ - build_append_byte(var->buf, 0x22); /* SleepOp */ - aml_append(var, aml_int(msec)); - return var; -} - -static uint8_t Hex2Byte(const char *src) -{ - int hi, lo; - - hi = Hex2Digit(src[0]); - assert(hi >= 0); - assert(hi <= 15); - - lo = Hex2Digit(src[1]); - assert(lo >= 0); - assert(lo <= 15); - return (hi << 4) | lo; -} - -/* - * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro) - * e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp - * call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp"); - */ -Aml *aml_touuid(const char *uuid) -{ - Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); - - assert(strlen(uuid) == 36); - assert(uuid[8] == '-'); - assert(uuid[13] == '-'); - assert(uuid[18] == '-'); - assert(uuid[23] == '-'); - - build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */ - build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */ - build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */ - build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */ - - build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */ - build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */ - - build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */ - build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */ - - build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */ - build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */ - - build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */ - build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */ - build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */ - build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */ - build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */ - build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */ - - return var; -} - -/* - * ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode) - */ -Aml *aml_unicode(const char *str) -{ - int i = 0; - Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); - - do { - build_append_byte(var->buf, str[i]); - build_append_byte(var->buf, 0); - i++; - } while (i <= strlen(str)); - - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */ -Aml *aml_derefof(Aml *arg) -{ - Aml *var = aml_opcode(0x83 /* DerefOfOp */); - aml_append(var, arg); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */ -Aml *aml_sizeof(Aml *arg) -{ - Aml *var = aml_opcode(0x87 /* SizeOfOp */); - aml_append(var, arg); - return var; -} - -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMutex */ -Aml *aml_mutex(const char *name, uint8_t sync_level) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ - build_append_byte(var->buf, 0x01); /* MutexOp */ - build_append_namestring(var->buf, "%s", name); - assert(!(sync_level & 0xF0)); - build_append_byte(var->buf, sync_level); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAcquire */ -Aml *aml_acquire(Aml *mutex, uint16_t timeout) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ - build_append_byte(var->buf, 0x23); /* AcquireOp */ - aml_append(var, mutex); - build_append_int_noprefix(var->buf, timeout, sizeof(timeout)); - return var; -} - -/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefRelease */ -Aml *aml_release(Aml *mutex) -{ - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ - build_append_byte(var->buf, 0x27); /* ReleaseOp */ - aml_append(var, mutex); - return var; -} - -/* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */ -Aml *aml_alias(const char *source_object, const char *alias_object) -{ - Aml *var = aml_opcode(0x06 /* AliasOp */); - aml_append(var, aml_name("%s", source_object)); - aml_append(var, aml_name("%s", alias_object)); - return var; -} - -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefConcat */ -Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target) -{ - return build_opcode_2arg_dst(0x73 /* ConcatOp */, source1, source2, - target); -} - -void -build_header(GArray *linker, GArray *table_data, - AcpiTableHeader *h, const char *sig, int len, uint8_t rev, - const char *oem_id, const char *oem_table_id) -{ - memcpy(&h->signature, sig, 4); - h->length = cpu_to_le32(len); - h->revision = rev; - - if (oem_id) { - strncpy((char *)h->oem_id, oem_id, sizeof h->oem_id); - } else { - memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6); - } - - if (oem_table_id) { - strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id)); - } else { - memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); - memcpy(h->oem_table_id + 4, sig, 4); - } - - h->oem_revision = cpu_to_le32(1); - memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4); - h->asl_compiler_revision = cpu_to_le32(1); - h->checksum = 0; - /* Checksum to be filled in by Guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_TABLE_FILE, - table_data, h, len, &h->checksum); -} - -void *acpi_data_push(GArray *table_data, unsigned size) -{ - unsigned off = table_data->len; - g_array_set_size(table_data, off + size); - return table_data->data + off; -} - -unsigned acpi_data_len(GArray *table) -{ - assert(g_array_get_element_size(table) == 1); - return table->len; -} - -void acpi_add_table(GArray *table_offsets, GArray *table_data) -{ - uint32_t offset = cpu_to_le32(table_data->len); - g_array_append_val(table_offsets, offset); -} - -void acpi_build_tables_init(AcpiBuildTables *tables) -{ - tables->rsdp = g_array_new(false, true /* clear */, 1); - tables->table_data = g_array_new(false, true /* clear */, 1); - tables->tcpalog = g_array_new(false, true /* clear */, 1); - tables->linker = bios_linker_loader_init(); -} - -void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) -{ - void *linker_data = bios_linker_loader_cleanup(tables->linker); - g_free(linker_data); - g_array_free(tables->rsdp, true); - g_array_free(tables->table_data, true); - g_array_free(tables->tcpalog, mfre); -} - -/* Build rsdt table */ -void -build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets, - const char *oem_id, const char *oem_table_id) -{ - AcpiRsdtDescriptorRev1 *rsdt; - size_t rsdt_len; - int i; - const int table_data_len = (sizeof(uint32_t) * table_offsets->len); - - rsdt_len = sizeof(*rsdt) + table_data_len; - rsdt = acpi_data_push(table_data, rsdt_len); - memcpy(rsdt->table_offset_entry, table_offsets->data, table_data_len); - for (i = 0; i < table_offsets->len; ++i) { - /* rsdt->table_offset_entry to be filled by Guest linker */ - bios_linker_loader_add_pointer(linker, - ACPI_BUILD_TABLE_FILE, - ACPI_BUILD_TABLE_FILE, - table_data, &rsdt->table_offset_entry[i], - sizeof(uint32_t)); - } - build_header(linker, table_data, - (void *)rsdt, "RSDT", rsdt_len, 1, oem_id, oem_table_id); -} |