Add acpi_memory32_fixed() for describing device mmio region in resource template. Add acpi_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 <zhaoshengl...@huawei.com> --- hw/acpi/acpi-build-utils.c | 40 ++++++++++++++++++++++++++++++++++++ include/hw/acpi/acpi-build-utils.h | 2 + 2 files changed, 42 insertions(+), 0 deletions(-) diff --git a/hw/acpi/acpi-build-utils.c b/hw/acpi/acpi-build-utils.c index aa32fe4..60cce5d 100644 --- a/hw/acpi/acpi-build-utils.c +++ b/hw/acpi/acpi-build-utils.c @@ -493,6 +493,46 @@ AcpiAml acpi_call4(const char *method, AcpiAml arg1, AcpiAml arg2, } /* + * ACPI 1.0: 6.4.3.4 Memory32Fixed (Memory Resource Descriptor Macro) + */ +AcpiAml acpi_memory32_fixed(uint64_t addr, uint64_t size, uint8_t rw_flag) +{ + AcpiAml var = aml_allocate_internal(0, NON_BLOCK); + 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, rw_flag); /* Write status, 1 rw 0 ro */ + build_append_byte(var.buf, addr & 0xff); /* Range base address bits[7:0] */ + build_append_byte(var.buf, (addr >> 8) & 0xff); /* Range base address bits[15:8] */ + build_append_byte(var.buf, (addr >> 16) & 0xff); /* Range base address bits[23:16] */ + build_append_byte(var.buf, (addr >> 24) & 0xff); /* Range base address bits[31:24] */ + + build_append_byte(var.buf, size & 0xff); /* Range length bits[7:0] */ + build_append_byte(var.buf, (size >> 8) & 0xff); /* Range length bits[15:8] */ + build_append_byte(var.buf, (size >> 16) & 0xff); /* Range length bits[23:16] */ + build_append_byte(var.buf, (size >> 24) & 0xff); /* Range length bits[31:24] */ + return var; +} + +/* + * ACPI 1.0: 6.4.3.6 Interrupt (Interrupt Resource Descriptor Macro) + */ +AcpiAml acpi_interrupt(uint8_t irq_flags, int irq) +{ + AcpiAml var = aml_allocate_internal(0, NON_BLOCK); + 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 */ + build_append_byte(var.buf, irq & 0xff); /* Interrupt Number bits[7:0] */ + build_append_byte(var.buf, (irq >> 8) & 0xff); /* Interrupt Number bits[15:8] */ + build_append_byte(var.buf, (irq >> 16) & 0xff); /* Interrupt Number bits[23:16] */ + build_append_byte(var.buf, (irq >> 24) & 0xff); /* Interrupt Number bits[31:24] */ + return var; +} + +/* * ACPI 5.0: 19.5.62 IO (IO Resource Descriptor Macro) * 6.4.2 Small Resource Data Type */ diff --git a/include/hw/acpi/acpi-build-utils.h b/include/hw/acpi/acpi-build-utils.h index b504c3a..0b0ced7 100644 --- a/include/hw/acpi/acpi-build-utils.h +++ b/include/hw/acpi/acpi-build-utils.h @@ -127,6 +127,8 @@ AcpiAml acpi_call3(const char *method, AcpiAml arg1, AcpiAml arg2, AcpiAml arg3); AcpiAml acpi_call4(const char *method, AcpiAml arg1, AcpiAml arg2, AcpiAml arg3, AcpiAml arg4); +AcpiAml acpi_memory32_fixed(uint64_t addr, uint64_t size, uint8_t rw_flag); +AcpiAml acpi_interrupt(uint8_t irq_flags, int irq); AcpiAml acpi_io(acpiIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len); AcpiAml acpi_iqr_no_flags(uint8_t irq); -- 1.7.1