Re-add functionality to boot with new UEFI headers

- Pointer fixup event
- ACPI searching
- Move CHECK_* to using try_or_raise()

src/boot/error.cpp

@@ -6,6 +6,34 @@ namespace error {
 
 handler *handler::s_current = nullptr;
 
+struct error_code_desc {
+	uefi::status code;
+	const wchar_t *name;
+};
+
+struct error_code_desc error_table[] = {
+#define STATUS_ERROR(name, num) { uefi::status::name, L#name },
+#define STATUS_WARNING(name, num) { uefi::status::name, L#name },
+#include "uefi/errors.inc"
+#undef STATUS_ERROR
+#undef STATUS_WARNING
+	{ uefi::status::success, nullptr }
+};
+
+static const wchar_t *
+error_message(uefi::status status)
+{
+	int32_t i = -1;
+	while (error_table[++i].name != nullptr) {
+		if (error_table[i].code == status) return error_table[i].name;
+	}
+
+	if (uefi::is_error(status))
+		return L"Unknown Error";
+	else
+		return L"Unknown Warning";
+}
+
 [[ noreturn ]] void
 raise(uefi::status status, const wchar_t *message)
 {
@@ -38,7 +66,7 @@ uefi_handler::uefi_handler(console &con) :
 [[ noreturn ]] void
 uefi_handler::handle(uefi::status s, const wchar_t *message)
 {
-	m_con.status_fail(message);
+	m_con.status_fail(message, error_message(s));
 	while (1) asm("hlt");
 }