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Diffstat (limited to 'sys/firmware/acpi/acpi_init.c')
-rw-r--r--sys/firmware/acpi/acpi_init.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/sys/firmware/acpi/acpi_init.c b/sys/firmware/acpi/acpi_init.c
deleted file mode 100644
index a98e429..0000000
--- a/sys/firmware/acpi/acpi_init.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Hyra nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <firmware/acpi/acpi.h>
-#include <sys/limine.h>
-#include <sys/syslog.h>
-#include <sys/cdefs.h>
-#include <sys/panic.h>
-#include <sys/syslog.h>
-#include <vm/vm.h>
-
-__MODULE_NAME("acpi");
-__KERNEL_META("$Hyra$: acpi_init.c, Ian Marco Moffett, "
- "ACPI init logic");
-
-#define pr_trace(fmt, ...) kprintf("acpi: " fmt, ##__VA_ARGS__)
-
-static volatile struct limine_rsdp_request rsdp_req = {
- .id = LIMINE_RSDP_REQUEST,
- .revision = 0
-};
-
-static size_t root_sdt_entries = 0;
-static bool using_xsdt = false;
-static struct acpi_root_sdt *root_sdt = NULL;
-
-/*
- * Writes out OEMID of ACPI header.
- *
- * @type: Type of structure (e.g RSDP)
- * @hdr: Header of structure.
- */
-static void
-acpi_print_oemid(const char *type, char oemid[OEMID_SIZE])
-{
- if (type != NULL) {
- pr_trace("%s OEMID: ", type);
- }
-
- for (size_t i = 0; i < OEMID_SIZE; ++i) {
- kprintf(OMIT_TIMESTAMP "%c", oemid[i]);
- }
- kprintf(OMIT_TIMESTAMP "\n");
-}
-
-struct acpi_root_sdt *
-acpi_get_root_sdt(void)
-{
- return root_sdt;
-}
-
-size_t
-acpi_get_root_sdt_len(void)
-{
- return root_sdt_entries;
-}
-
-void
-acpi_init(void)
-{
- struct acpi_rsdp *rsdp;
-
- /* Can't do anything if we have no response! */
- if (rsdp_req.response == NULL) {
- panic("RSDP request has no response affiliated...\n");
- }
-
- /* Fetch the RSDP */
- rsdp = rsdp_req.response->address;
- acpi_print_oemid("RSDP", rsdp->oemid);
-
- /* Fetch the RSDT/XSDT */
- if (rsdp->revision >= 2) {
- using_xsdt = true;
- root_sdt = PHYS_TO_VIRT(rsdp->xsdt_addr);
- pr_trace("Using XSDT as root SDT\n");
- } else {
- root_sdt = PHYS_TO_VIRT(rsdp->rsdt_addr);
- pr_trace("Using RSDT as root SDT\n");
- }
- if (!acpi_is_checksum_valid(&root_sdt->hdr)) {
- panic("Root SDT has an invalid checksum!\n");
- }
- root_sdt_entries = (root_sdt->hdr.length - sizeof(root_sdt->hdr)) / 4;
-}