98 lines
3.8 KiB
C
98 lines
3.8 KiB
C
/*********************************************************************************/
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/* Module Name: entry.c */
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/* Project: AurixOS */
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/* */
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/* Copyright (c) 2024-2025 Jozef Nagy */
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/* */
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/* This source is subject to the MIT License. */
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/* See License.txt in the root of this repository. */
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/* All other rights reserved. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
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/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
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/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
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/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
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/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
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/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
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/* SOFTWARE. */
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/*********************************************************************************/
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#include <efi.h>
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#include <efilib.h>
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#include <axboot.h>
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#include <mm/mman.h>
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#include <lib/string.h>
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#include <print.h>
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#include <stdint.h>
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#include <stddef.h>
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#define INI_IMPLEMENTATION
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#include <config/ini.h>
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EFI_HANDLE gImageHandle;
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EFI_SYSTEM_TABLE *gSystemTable;
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EFI_BOOT_SERVICES *gBootServices;
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EFI_SIMPLE_POINTER_PROTOCOL *gPointerProtocol;
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uint16_t mouse_resx;
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uint16_t mouse_resy;
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EFI_STATUS uefi_entry(EFI_HANDLE ImageHandle,
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EFI_SYSTEM_TABLE *SystemTable)
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{
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EFI_STATUS Status;
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EFI_GUID spp_guid = EFI_SIMPLE_POINTER_PROTOCOL_GUID;
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EFI_SIMPLE_POINTER_PROTOCOL *spp[5];
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gImageHandle = ImageHandle;
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gSystemTable = SystemTable;
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gBootServices = SystemTable->BootServices;
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// reset input
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gSystemTable->ConIn->Reset(gSystemTable->ConIn, EFI_FALSE);
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// clear the screen
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gSystemTable->ConOut->ClearScreen(gSystemTable->ConOut);
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// disable UEFI watchdog
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Status = gSystemTable->BootServices->SetWatchdogTimer(0, 0, 0, NULL);
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if (EFI_ERROR(Status)) {
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debug("uefi_entry(): Couldn't disable UEFI watchdog: %s (%x)\n", efi_status_to_str(Status), Status);
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}
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// load that mouse up
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EFI_UINTN spp_handles = 0;
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EFI_HANDLE *spp_handle_buf = NULL;
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Status = gBootServices->LocateHandleBuffer(ByProtocol, &spp_guid, NULL, &spp_handles, &spp_handle_buf);
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if (EFI_ERROR(Status)) {
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debug("uefi_entry(): Failed to locate Simple Pointer Protocol handle buffer: %s (%x).", efi_status_to_str(Status), Status);
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} else {
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debug("uefi_entry(): Found %u handle%s\n", spp_handles, spp_handles == 1 ? "" : "s");
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for (EFI_UINTN i = 0; i < spp_handles; i++) {
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Status = gBootServices->OpenProtocol(spp_handle_buf[i], &spp_guid, (void **)&spp[i], gImageHandle, NULL, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
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if (EFI_ERROR(Status)) {
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debug("uefi_entry(): Failed to open Simple Pointer Protocol on handle: %s (%x)\n", efi_status_to_str(Status), Status);
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continue;
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}
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debug("uefi_entry(): Found SPP with ResX=%u, ResY=%u\n", spp[i]->Mode->ResolutionX, spp[i]->Mode->ResolutionY);
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if (spp[i]->Reset(spp[i], EFI_TRUE) == EFI_DEVICE_ERROR) {
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debug("uefi_entry(): Failed to reset device\n");
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continue;
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}
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if (spp[i]->Mode->ResolutionX < 65536) {
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gPointerProtocol = spp[i];
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mouse_resx = spp[i]->Mode->ResolutionX;
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mouse_resy = spp[i]->Mode->ResolutionY;
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break;
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}
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}
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}
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axboot_init();
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UNREACHABLE();
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}
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