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| author | Shannon Zhao <shannon.zhao@linaro.org> | 2015-05-29 11:28:56 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-05-29 11:28:56 +0100 |
| commit | ee246400c1ceef2014e120b718388d5f4aea8a2a (patch) | |
| tree | 11e6d18ac5c68976e13bafec7d06b53e0ced315e /include/hw/acpi | |
| parent | 982d06c561a62cf7d2a8d31e8a8c107fb3477419 (diff) | |
| download | qemu-ee246400c1ceef2014e120b718388d5f4aea8a2a.tar.gz | |
hw/arm/virt-acpi-build: Generate GTDT table
ACPI v5.1 defines GTDT for ARM devices as a place to describe timer
related information in the system. The Arch Timer interrupts must
be provided for GTDT.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1432522520-8068-11-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/acpi')
| -rw-r--r-- | include/hw/acpi/acpi-defs.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index 1e9dbe7289..f503ec4a97 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -341,6 +341,43 @@ struct AcpiMadtGenericDistributor { typedef struct AcpiMadtGenericDistributor AcpiMadtGenericDistributor; /* + * Generic Timer Description Table (GTDT) + */ + +#define ACPI_GTDT_INTERRUPT_MODE (1 << 0) +#define ACPI_GTDT_INTERRUPT_POLARITY (1 << 1) +#define ACPI_GTDT_ALWAYS_ON (1 << 2) + +/* Triggering */ + +#define ACPI_LEVEL_SENSITIVE ((uint8_t) 0x00) +#define ACPI_EDGE_SENSITIVE ((uint8_t) 0x01) + +/* Polarity */ + +#define ACPI_ACTIVE_HIGH ((uint8_t) 0x00) +#define ACPI_ACTIVE_LOW ((uint8_t) 0x01) +#define ACPI_ACTIVE_BOTH ((uint8_t) 0x02) + +struct AcpiGenericTimerTable { + ACPI_TABLE_HEADER_DEF + uint64_t counter_block_addresss; + uint32_t reserved; + uint32_t secure_el1_interrupt; + uint32_t secure_el1_flags; + uint32_t non_secure_el1_interrupt; + uint32_t non_secure_el1_flags; + uint32_t virtual_timer_interrupt; + uint32_t virtual_timer_flags; + uint32_t non_secure_el2_interrupt; + uint32_t non_secure_el2_flags; + uint64_t counter_read_block_address; + uint32_t platform_timer_count; + uint32_t platform_timer_offset; +} QEMU_PACKED; +typedef struct AcpiGenericTimerTable AcpiGenericTimerTable; + +/* * HPET Description Table */ struct Acpi20Hpet { |