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hw/acpi/aml-build: Add aml_interrupt() term 

Add aml_interrupt() for describing device interrupt in resource template.
These can be used to generating DSDT table for ACPI on ARM.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 1432522520-8068-7-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
master
Shannon Zhao 2015-05-29 11:28:55 +01:00 committed by Peter Maydell
parent dc17ab1de5
commit 205d1d1c04
2 changed files with 69 additions and 0 deletions
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27
hw/acpi/aml-build.c
View File

@ -533,6 +533,33 @@ Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
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)
{
Aml *var = aml_alloc();
uint8_t irq_flags = con_and_pro | (level_and_edge << 1)
| (high_and_low << 2) | (shared << 3);
build_append_byte(var->buf, 0x89); /* Extended irq descriptor */
build_append_byte(var->buf, 6); /* Length, bits[7:0] minimum value = 6 */
build_append_byte(var->buf, 0); /* Length, bits[15:8] minimum value = 0 */
build_append_byte(var->buf, irq_flags); /* Interrupt Vector Information. */
build_append_byte(var->buf, 0x01); /* Interrupt table length = 1 */
/* Interrupt Number */
build_append_byte(var->buf, extract32(irq, 0, 8)); /* bits[7:0] */
build_append_byte(var->buf, extract32(irq, 8, 8)); /* bits[15:8] */
build_append_byte(var->buf, extract32(irq, 16, 8)); /* bits[23:16] */
build_append_byte(var->buf, extract32(irq, 24, 8)); /* bits[31:24] */
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)

42
include/hw/acpi/aml-build.h
View File

@ -111,6 +111,44 @@ typedef enum {
AML_READ_WRITE = 1,
} AmlReadAndWrite;
/*
* ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
* Interrupt Vector Flags Bits[0] Consumer/Producer
*/
typedef enum {
AML_CONSUMER_PRODUCER = 0,
AML_CONSUMER = 1,
} AmlConsumerAndProducer;
/*
* ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
* _HE field definition
*/
typedef enum {
AML_LEVEL = 0,
AML_EDGE = 1,
} AmlLevelAndEdge;
/*
* ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
* _LL field definition
*/
typedef enum {
AML_ACTIVE_HIGH = 0,
AML_ACTIVE_LOW = 1,
} AmlActiveHighAndLow;
/*
* ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
* _SHR field definition
*/
typedef enum {
AML_EXCLUSIVE = 0,
AML_SHARED = 1,
AML_EXCLUSIVE_AND_WAKE = 2,
AML_SHARED_AND_WAKE = 3,
} AmlShared;
typedef
struct AcpiBuildTables {
GArray *table_data;
@ -170,6 +208,10 @@ 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);
Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
AmlReadAndWrite read_and_write);
Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro,
AmlLevelAndEdge level_and_edge,
AmlActiveHighAndLow high_and_low, AmlShared shared,
uint32_t irq);
Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
uint8_t aln, uint8_t len);
Aml *aml_operation_region(const char *name, AmlRegionSpace rs,