Add acpi_fixed_memory32() for describing device mmio region in resource template. Add acpi_extended_irq() 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 | 42 ++++++++++++++++++++++++++++++++++++ include/hw/acpi/acpi-build-utils.h | 2 + 2 files changed, 44 insertions(+), 0 deletions(-) diff --git a/hw/acpi/acpi-build-utils.c b/hw/acpi/acpi-build-utils.c index 59873e3..211c4d3 100644 --- a/hw/acpi/acpi-build-utils.c +++ b/hw/acpi/acpi-build-utils.c @@ -493,6 +493,48 @@ AcpiAml acpi_call4(const char *method, AcpiAml arg1, AcpiAml arg2, } /* + * ACPI 5.1: 19.5.80 Memory32Fixed (Memory Resource Descriptor Macro) + * 6.4.2 Small Resource Data Type + */ +AcpiAml acpi_fixed_memory32(uint64_t addr, uint64_t size, uint8_t rw_flag) +{ + AcpiAml var = aml_allocate_internal(0, NON_BLOCK); + build_append_byte(var.buf, 0x86); /* Extended irq descriptor */ + build_append_byte(var.buf, 9); + build_append_byte(var.buf, 0); + build_append_byte(var.buf, rw_flag); + build_append_byte(var.buf, addr & 0xff); + build_append_byte(var.buf, (addr >> 8) & 0xff); + build_append_byte(var.buf, (addr >> 16) & 0xff); + build_append_byte(var.buf, (addr >> 24) & 0xff); + + build_append_byte(var.buf, size & 0xff); + build_append_byte(var.buf, (size >> 8) & 0xff); + build_append_byte(var.buf, (size >> 16) & 0xff); + build_append_byte(var.buf, (size >> 24) & 0xff); + return var; +} + +/* + * ACPI 5.1: 19.5.61 Interrupt (Interrupt Resource Descriptor Macro) + * 6.4.2 Small Resource Data Type + */ +AcpiAml acpi_extended_irq(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); + build_append_byte(var.buf, 0); + build_append_byte(var.buf, irq_flags); + build_append_byte(var.buf, 0x01); + build_append_byte(var.buf, irq & 0xff); + build_append_byte(var.buf, (irq >> 8) & 0xff); + build_append_byte(var.buf, (irq >> 16) & 0xff); + build_append_byte(var.buf, (irq >> 24) & 0xff); + 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 d39b5b1..bfed546 100644 --- a/include/hw/acpi/acpi-build-utils.h +++ b/include/hw/acpi/acpi-build-utils.h @@ -115,6 +115,8 @@ 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_fixed_memory32(uint64_t addr, uint64_t size, uint8_t rw_flag); +AcpiAml acpi_extended_irq(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