Integrate uACPI

kernel/uACPI/platform_mop3.c

@@ -0,0 +1,49 @@
+#include <libk/std.h>
+#include <sys/debug.h>
+#include <mm/liballoc.h>
+#include <limine/requests.h>
+#include <uacpi/kernel_api.h>
+#include <uacpi/status.h>
+
+uacpi_status uacpi_kernel_get_rsdp(uacpi_phys_addr *out_rsdp_address) {
+  struct limine_hhdm_response *hhdm = limine_hhdm_request.response;
+  struct limine_rsdp_response *rsdp = limine_rsdp_request.response;
+
+  *out_rsdp_address = (uacpi_phys_addr)((uintptr_t)rsdp->address - (uintptr_t)hhdm->offset);
+
+  return UACPI_STATUS_OK;
+}
+
+void *uacpi_kernel_map(uacpi_phys_addr addr, uacpi_size len) {
+  (void)len;
+  struct limine_hhdm_response *hhdm = limine_hhdm_request.response;
+  return (void *)((uintptr_t)hhdm->offset + (uintptr_t)addr);
+}
+
+void uacpi_kernel_unmap(void *addr, uacpi_size len) {
+  (void)addr, (void)len;
+}
+
+void uacpi_kernel_log(uacpi_log_level level, const uacpi_char* msg) {
+  const char *prefix = NULL;
+
+  switch (level) {
+    case UACPI_LOG_DEBUG:
+      prefix = "Debug";
+      break;
+    case UACPI_LOG_TRACE:
+      prefix = "Trace";
+      break;
+    case UACPI_LOG_INFO:
+      prefix = "Info";
+      break;
+    case UACPI_LOG_WARN:
+      prefix = "Warning";
+      break;
+    case UACPI_LOG_ERROR:
+      prefix = "Error";
+      break;
+  }
+
+  DEBUG("%s %s", prefix, msg);
+}