1 #ifndef HW_ACPI_GEN_UTILS_H 2 #define HW_ACPI_GEN_UTILS_H 3 4 #include <stdint.h> 5 #include <glib.h> 6 #include "qemu/compiler.h" 7 #include "hw/acpi/acpi-defs.h" 8 9 /* Reserve RAM space for tables: add another order of magnitude. */ 10 #define ACPI_BUILD_TABLE_MAX_SIZE 0x200000 11 12 #define ACPI_BUILD_APPNAME "Bochs" 13 #define ACPI_BUILD_APPNAME6 "BOCHS " 14 #define ACPI_BUILD_APPNAME4 "BXPC" 15 16 #define ACPI_BUILD_TABLE_FILE "etc/acpi/tables" 17 #define ACPI_BUILD_RSDP_FILE "etc/acpi/rsdp" 18 #define ACPI_BUILD_TPMLOG_FILE "etc/tpm/log" 19 20 typedef enum { 21 AML_NO_OPCODE = 0,/* has only data */ 22 AML_OPCODE, /* has opcode optionally followed by data */ 23 AML_PACKAGE, /* has opcode and uses PkgLength for its length */ 24 AML_EXT_PACKAGE, /* Same as AML_PACKAGE but also has 'ExOpPrefix' */ 25 AML_BUFFER, /* data encoded as 'DefBuffer' */ 26 AML_RES_TEMPLATE, /* encoded as ResourceTemplate macro */ 27 } AmlBlockFlags; 28 29 struct Aml { 30 GArray *buf; 31 32 /*< private >*/ 33 uint8_t op; 34 AmlBlockFlags block_flags; 35 }; 36 typedef struct Aml Aml; 37 38 typedef enum { 39 AML_DECODE10 = 0, 40 AML_DECODE16 = 1, 41 } AmlIODecode; 42 43 typedef enum { 44 AML_ANY_ACC = 0, 45 AML_BYTE_ACC = 1, 46 AML_WORD_ACC = 2, 47 AML_DWORD_ACC = 3, 48 AML_QWORD_ACC = 4, 49 AML_BUFFER_ACC = 5, 50 } AmlAccessType; 51 52 typedef enum { 53 AML_PRESERVE = 0, 54 AML_WRITE_AS_ONES = 1, 55 AML_WRITE_AS_ZEROS = 2, 56 } AmlUpdateRule; 57 58 typedef enum { 59 AML_SYSTEM_MEMORY = 0X00, 60 AML_SYSTEM_IO = 0X01, 61 } AmlRegionSpace; 62 63 typedef enum { 64 AML_MEMORY_RANGE = 0, 65 AML_IO_RANGE = 1, 66 AML_BUS_NUMBER_RANGE = 2, 67 } AmlResourceType; 68 69 typedef enum { 70 AML_SUB_DECODE = 1 << 1, 71 AML_POS_DECODE = 0 72 } AmlDecode; 73 74 typedef enum { 75 AML_MAX_FIXED = 1 << 3, 76 AML_MAX_NOT_FIXED = 0, 77 } AmlMaxFixed; 78 79 typedef enum { 80 AML_MIN_FIXED = 1 << 2, 81 AML_MIN_NOT_FIXED = 0 82 } AmlMinFixed; 83 84 /* 85 * ACPI 1.0b: Table 6-26 I/O Resource Flag (Resource Type = 1) Definitions 86 * _RNG field definition 87 */ 88 typedef enum { 89 AML_ISA_ONLY = 1, 90 AML_NON_ISA_ONLY = 2, 91 AML_ENTIRE_RANGE = 3, 92 } AmlISARanges; 93 94 /* 95 * ACPI 1.0b: Table 6-25 Memory Resource Flag (Resource Type = 0) Definitions 96 * _MEM field definition 97 */ 98 typedef enum { 99 AML_NON_CACHEABLE = 0, 100 AML_CACHEABLE = 1, 101 AML_WRITE_COMBINING = 2, 102 AML_PREFETCHABLE = 3, 103 } AmlCacheable; 104 105 /* 106 * ACPI 1.0b: Table 6-25 Memory Resource Flag (Resource Type = 0) Definitions 107 * _RW field definition 108 */ 109 typedef enum { 110 AML_READ_ONLY = 0, 111 AML_READ_WRITE = 1, 112 } AmlReadAndWrite; 113 114 typedef 115 struct AcpiBuildTables { 116 GArray *table_data; 117 GArray *rsdp; 118 GArray *tcpalog; 119 GArray *linker; 120 } AcpiBuildTables; 121 122 /** 123 * init_aml_allocator: 124 * 125 * Called for initializing API allocator which allow to use 126 * AML API. 127 * Returns: toplevel container which accumulates all other 128 * AML elements for a table. 129 */ 130 Aml *init_aml_allocator(void); 131 132 /** 133 * free_aml_allocator: 134 * 135 * Releases all elements used by AML API, frees associated memory 136 * and invalidates AML allocator. After this call @init_aml_allocator 137 * should be called again if AML API is to be used again. 138 */ 139 void free_aml_allocator(void); 140 141 /** 142 * aml_append: 143 * @parent_ctx: context to which @child element is added 144 * @child: element that is copied into @parent_ctx context 145 * 146 * Joins Aml elements together and helps to construct AML tables 147 * Examle of usage: 148 * Aml *table = aml_def_block("SSDT", ...); 149 * Aml *sb = aml_scope("\\_SB"); 150 * Aml *dev = aml_device("PCI0"); 151 * 152 * aml_append(dev, aml_name_decl("HID", aml_eisaid("PNP0A03"))); 153 * aml_append(sb, dev); 154 * aml_append(table, sb); 155 */ 156 void aml_append(Aml *parent_ctx, Aml *child); 157 158 /* non block AML object primitives */ 159 Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2); 160 Aml *aml_name_decl(const char *name, Aml *val); 161 Aml *aml_return(Aml *val); 162 Aml *aml_int(const uint64_t val); 163 Aml *aml_arg(int pos); 164 Aml *aml_store(Aml *val, Aml *target); 165 Aml *aml_and(Aml *arg1, Aml *arg2); 166 Aml *aml_notify(Aml *arg1, Aml *arg2); 167 Aml *aml_call1(const char *method, Aml *arg1); 168 Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2); 169 Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3); 170 Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4); 171 Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, 172 uint8_t aln, uint8_t len); 173 Aml *aml_operation_region(const char *name, AmlRegionSpace rs, 174 uint32_t offset, uint32_t len); 175 Aml *aml_irq_no_flags(uint8_t irq); 176 Aml *aml_named_field(const char *name, unsigned length); 177 Aml *aml_reserved_field(unsigned length); 178 Aml *aml_local(int num); 179 Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2); 180 Aml *aml_equal(Aml *arg1, Aml *arg2); 181 Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len, 182 const char *name_format, ...) GCC_FMT_ATTR(4, 5); 183 Aml *aml_eisaid(const char *str); 184 Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, 185 AmlDecode dec, uint16_t addr_gran, 186 uint16_t addr_min, uint16_t addr_max, 187 uint16_t addr_trans, uint16_t len); 188 Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed, 189 AmlDecode dec, AmlISARanges isa_ranges, 190 uint16_t addr_gran, uint16_t addr_min, 191 uint16_t addr_max, uint16_t addr_trans, 192 uint16_t len); 193 Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed, 194 AmlMaxFixed max_fixed, AmlCacheable cacheable, 195 AmlReadAndWrite read_and_write, 196 uint32_t addr_gran, uint32_t addr_min, 197 uint32_t addr_max, uint32_t addr_trans, 198 uint32_t len); 199 Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, 200 AmlMaxFixed max_fixed, AmlCacheable cacheable, 201 AmlReadAndWrite read_and_write, 202 uint64_t addr_gran, uint64_t addr_min, 203 uint64_t addr_max, uint64_t addr_trans, 204 uint64_t len); 205 206 /* Block AML object primitives */ 207 Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2); 208 Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2); 209 Aml *aml_method(const char *name, int arg_count); 210 Aml *aml_if(Aml *predicate); 211 Aml *aml_package(uint8_t num_elements); 212 Aml *aml_buffer(void); 213 Aml *aml_resource_template(void); 214 Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule); 215 Aml *aml_varpackage(uint32_t num_elements); 216 217 void 218 build_header(GArray *linker, GArray *table_data, 219 AcpiTableHeader *h, const char *sig, int len, uint8_t rev); 220 void *acpi_data_push(GArray *table_data, unsigned size); 221 unsigned acpi_data_len(GArray *table); 222 void acpi_add_table(GArray *table_offsets, GArray *table_data); 223 void acpi_build_tables_init(AcpiBuildTables *tables); 224 void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre); 225 226 #endif 227