From 66289aa8ecfa07b20bad424eb9860b196641ef52 Mon Sep 17 00:00:00 2001 From: Brett Weiland Date: Fri, 19 Mar 2021 10:54:25 -0500 Subject: first commit --- src/kernel/include/acpi.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/kernel/include/acpi.h (limited to 'src/kernel/include/acpi.h') diff --git a/src/kernel/include/acpi.h b/src/kernel/include/acpi.h new file mode 100644 index 0000000..c15e044 --- /dev/null +++ b/src/kernel/include/acpi.h @@ -0,0 +1,39 @@ +#include +#include + +struct rsdp_v1 { + char sig[8]; + uint8_t checksum; + char OEMID[6]; + uint8_t version; + uint32_t rsdt_addr; + +} __attribute__((packed)); + +struct rsdp_v2 { + struct rsdp_v1 v1; + uint32_t len; + uint64_t xsdt_addr; + uint8_t extended_checksum; + uint8_t reserved[3]; +} __attribute__((packed)); + + +typedef union rsdp_t { + struct rsdp_v1 v1; + struct rsdp_v2 v2; +} rsdp_t; + +struct acpi_header { + char sig[4]; + uint32_t length; + uint8_t revision; + uint8_t checksum; + char OEMID[6]; + char OEMTableID[8]; + uint32_t OEMRevision; + uint32_t creator_id; + uint32_t creator_revision; +} __attribute__((packed)); + +rsdp_t *find_RSDP(); -- cgit v1.2.3