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#ifndef HW_ACPI_GEN_UTILS_H
#define HW_ACPI_GEN_UTILS_H
#include <stdint.h>
#include <glib.h>
#include "qemu/compiler.h"
typedef enum {
AML_NO_OPCODE = 0,/* has only data */
AML_OPCODE, /* has opcode optionally followed by data */
AML_PACKAGE, /* has opcode and uses PkgLength for its length */
AML_EXT_PACKAGE, /* ame as AML_PACKAGE but also has 'ExOpPrefix' */
AML_BUFFER, /* data encoded as 'DefBuffer' */
AML_RES_TEMPLATE, /* encoded as ResourceTemplate macro */
} AmlBlockFlags;
struct Aml {
GArray *buf;
/*< private >*/
uint8_t op;
AmlBlockFlags block_flags;
};
typedef struct Aml Aml;
/**
* init_aml_allocator:
*
* Called for initializing API allocator which allow to use
* AML API.
* Returns: toplevel container which accumulates all other
* AML elements for a table.
*/
Aml *init_aml_allocator(void);
/**
* free_aml_allocator:
*
* Releases all elements used by AML API, frees associated memory
* and invalidates AML allocator. After this call @init_aml_allocator
* should be called again if AML API is to be used again.
*/
void free_aml_allocator(void);
/**
* aml_append:
* @parent_ctx: context to which @child element is added
* @child: element that is copied into @parent_ctx context
*
* Joins Aml elements together and helps to construct AML tables
* Examle of usage:
* Aml *table = aml_def_block("SSDT", ...);
* Aml *sb = aml_scope("\_SB");
* Aml *dev = aml_device("PCI0");
*
* aml_append(dev, aml_name_decl("HID", aml_eisaid("PNP0A03")));
* aml_append(sb, dev);
* aml_append(table, sb);
*/
void aml_append(Aml *parent_ctx, Aml *child);
/* non block AML object primitives */
Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
Aml *aml_name_decl(const char *name, Aml *val);
Aml *aml_return(Aml *val);
Aml *aml_int(const uint64_t val);
Aml *aml_arg(int pos);
Aml *aml_store(Aml *val, Aml *target);
Aml *aml_and(Aml *arg1, Aml *arg2);
Aml *aml_notify(Aml *arg1, Aml *arg2);
Aml *aml_call1(const char *method, Aml *arg1);
Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
/* Block AML object primitives */
Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
Aml *aml_method(const char *name, int arg_count);
Aml *aml_if(Aml *predicate);
Aml *aml_package(uint8_t num_elements);
Aml *aml_buffer(void);
Aml *aml_resource_template(void);
/* other helpers */
GArray *build_alloc_array(void);
void build_free_array(GArray *array);
void build_prepend_byte(GArray *array, uint8_t val);
void build_append_byte(GArray *array, uint8_t val);
void build_append_array(GArray *array, GArray *val);
void GCC_FMT_ATTR(2, 3)
build_append_namestring(GArray *array, const char *format, ...);
void build_prepend_package_length(GArray *package);
void build_package(GArray *package, uint8_t op);
void build_append_int(GArray *table, uint64_t value);
void build_extop_package(GArray *package, uint8_t op);
#endif
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