EFI: Implement console code.
This commit is contained in:
Fredrik Holmqvist
committed by
Jessica Hamilton
Jessica Hamilton
parent
bd0604764e
commit
735f1daee9
@@ -18,7 +18,8 @@ local efi_glue_src =
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local platform_src =
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relocation_func.cpp
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start.c
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start.cpp
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console.cpp
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;
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Includes [ FGristFiles $(efi_glue_src) $(platform_src) ]
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@@ -0,0 +1,218 @@
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/*
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* Copyright 2014-2016 Haiku, Inc. All rights reserved.
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* Copyright 2013 Fredrik Holmqvist, [email protected]. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include "console.h"
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#include <string.h>
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#include <SupportDefs.h>
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#include <boot/stage2.h>
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#include <boot/platform.h>
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#include <util/kernel_cpp.h>
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#include "efi_platform.h"
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class Console : public ConsoleNode {
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public:
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Console();
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virtual ssize_t ReadAt(void *cookie, off_t pos, void *buffer, size_t bufferSize);
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virtual ssize_t WriteAt(void *cookie, off_t pos, const void *buffer, size_t bufferSize);
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};
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static uint32 sScreenWidth;
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static uint32 sScreenHeight;
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static uint32 sScreenMode;
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static Console sInput, sOutput;
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FILE *stdin, *stdout, *stderr;
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// #pragma mark -
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Console::Console()
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: ConsoleNode()
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{
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}
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ssize_t
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Console::ReadAt(void *cookie, off_t pos, void *buffer, size_t bufferSize)
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{
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return B_ERROR;
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}
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ssize_t
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Console::WriteAt(void *cookie, off_t /*pos*/, const void *buffer, size_t bufferSize)
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{
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const char *string = (const char *)buffer;
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CHAR16 ucsBuffer[bufferSize + 3];
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uint32 j = 0;
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for (uint32 i = 0; i < bufferSize; i++) {
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switch (string[i]) {
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case '\n': {
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ucsBuffer[j++] = '\r';
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ucsBuffer[j++] = '\n';
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} //fallthrough
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case 0 : {
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//Not sure if we should keep going or abort for 0.
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//Keep going was easy anyway.
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ucsBuffer[j] = 0;
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kSystemTable->ConOut->OutputString(kSystemTable->ConOut, ucsBuffer);
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j = 0;
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continue;
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}
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default:
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ucsBuffer[j++] = (CHAR16) string[i];
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}
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}
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if (j > 0) {
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ucsBuffer[j] = 0;
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kSystemTable->ConOut->OutputString(kSystemTable->ConOut, ucsBuffer);
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}
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return bufferSize;
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}
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// #pragma mark -
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void
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console_clear_screen(void)
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{
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kSystemTable->ConOut->ClearScreen(kSystemTable->ConOut);
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}
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int32
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console_width(void)
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{
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return sScreenWidth;
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}
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int32
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console_height(void)
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{
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return sScreenHeight;
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}
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void
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console_set_cursor(int32 x, int32 y)
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{
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kSystemTable->ConOut->SetCursorPosition(kSystemTable->ConOut, x, y);
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}
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void
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console_show_cursor(void)
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{
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kSystemTable->ConOut->EnableCursor(kSystemTable->ConOut, true);
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}
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void
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console_hide_cursor(void)
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{
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kSystemTable->ConOut->EnableCursor(kSystemTable->ConOut, false);
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}
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void
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console_set_color(int32 foreground, int32 background)
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{
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kSystemTable->ConOut->SetAttribute(kSystemTable->ConOut,
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EFI_TEXT_ATTR((foreground & 0xf), (background & 0xf)));
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}
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int
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console_wait_for_key(void)
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{
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UINTN index;
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EFI_STATUS status;
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EFI_INPUT_KEY key;
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EFI_EVENT event = kSystemTable->ConIn->WaitForKey;
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do {
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kBootServices->WaitForEvent(1, &event, &index);
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status = kSystemTable->ConIn->ReadKeyStroke(kSystemTable->ConIn, &key);
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} while (status == EFI_NOT_READY);
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if (key.UnicodeChar > 0)
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return (int) key.UnicodeChar;
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switch (key.ScanCode) {
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case SCAN_UP:
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return TEXT_CONSOLE_KEY_UP;
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case SCAN_DOWN:
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return TEXT_CONSOLE_KEY_DOWN;
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case SCAN_LEFT:
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return TEXT_CONSOLE_KEY_LEFT;
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case SCAN_RIGHT:
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return TEXT_CONSOLE_KEY_RIGHT;
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case SCAN_PAGE_UP:
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return TEXT_CONSOLE_KEY_PAGE_UP;
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case SCAN_PAGE_DOWN:
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return TEXT_CONSOLE_KEY_PAGE_DOWN;
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case SCAN_HOME:
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return TEXT_CONSOLE_KEY_HOME;
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case SCAN_END:
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return TEXT_CONSOLE_KEY_END;
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}
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return 0;
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}
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static void update_screen_size(void)
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{
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UINTN width, height;
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UINTN area = 0;
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SIMPLE_TEXT_OUTPUT_INTERFACE *ConOut = kSystemTable->ConOut;
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for (int mode = 0; mode < ConOut->Mode->MaxMode; ++mode) {
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if (ConOut->QueryMode(ConOut, mode, &width, &height) == EFI_SUCCESS) {
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if (width * height > area) {
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sScreenWidth = width;
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sScreenHeight = height;
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sScreenMode = mode;
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}
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}
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}
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ConOut->SetMode(ConOut, sScreenMode);
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}
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status_t
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console_init(void)
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{
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update_screen_size();
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console_hide_cursor();
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console_clear_screen();
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// enable stdio functionality
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stdin = (FILE *)&sInput;
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stdout = stderr = (FILE *)&sOutput;
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return B_OK;
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}
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extern "C" void
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platform_switch_to_text_mode(void)
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{
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kSystemTable->ConOut->Reset(kSystemTable->ConOut, false);
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kSystemTable->ConOut->SetMode(kSystemTable->ConOut, sScreenMode);
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}
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@@ -0,0 +1,15 @@
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/*
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** Copyright 2004, Axel Dörfler, [email protected]. All rights reserved.
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** Distributed under the terms of the Haiku License.
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*/
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#ifndef CONSOLE_H
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#define CONSOLE_H
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#include <boot/platform/generic/text_console.h>
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extern "C" status_t console_init(void);
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#endif /* CONSOLE_H */
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@@ -0,0 +1,23 @@
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/*
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* Copyright 2013, Fredrik Homlqvist, [email protected].
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* All rights reserved. Distributed under the terms of the MIT License.
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*/
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#ifndef EFI_PLATFORM_H
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#define EFI_PLATFORM_H
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#include "efibind.h"
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#include "efidef.h"
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#include "efidevp.h"
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#include "efiprot.h"
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#include "eficon.h"
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#include "efierr.h"
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#include "efiapi.h"
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extern const EFI_SYSTEM_TABLE *kSystemTable;
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extern const EFI_BOOT_SERVICES *kBootServices;
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extern const EFI_RUNTIME_SERVICES *kRuntimeServices;
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#endif /* EFI_PLATFORM_H */
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@@ -1,58 +0,0 @@
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/*
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* Copyright (c) 2011, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "efibind.h"
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#include "efidef.h"
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#include "efidevp.h"
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#include "eficon.h"
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#include "efiprot.h"
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#include "efiapi.h"
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#include "efierr.h"
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static const CHAR16 *exampleText = L"Example EFI Application. Press any key!";
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EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systemTable);
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/**
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* efi_main - The entry point for the EFI application
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* @image: firmware-allocated handle that identifies the image
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* @SystemTable: EFI system table
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*/
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EFI_STATUS
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efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systemTable)
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{
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UINTN index;
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EFI_EVENT event = systemTable->ConIn->WaitForKey;
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SIMPLE_TEXT_OUTPUT_INTERFACE *conOut = systemTable->ConOut;
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conOut->OutputString(conOut, (CHAR16*)exampleText);
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systemTable->BootServices->WaitForEvent(1, &event, &index);
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return EFI_SUCCESS;
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}
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@@ -0,0 +1,53 @@
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/*
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* Copyright 2014-2016 Haiku, Inc. All rights reserved.
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* Copyright 2013 Fredrik Holmqvist, [email protected]. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include <stdio.h>
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#include "console.h"
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#include "efi_platform.h"
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extern void (*__ctor_list)(void);
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extern void (*__ctor_end)(void);
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const EFI_SYSTEM_TABLE *kSystemTable;
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const EFI_BOOT_SERVICES *kBootServices;
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const EFI_RUNTIME_SERVICES *kRuntimeServices;
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static void
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call_ctors(void)
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{
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void (**f)(void);
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for (f = &__ctor_list; f < &__ctor_end; f++)
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(**f)();
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}
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/**
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* efi_main - The entry point for the EFI application
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* @image: firmware-allocated handle that identifies the image
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* @systemTable: EFI system table
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*/
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extern "C" EFI_STATUS
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efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systemTable)
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{
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kSystemTable = systemTable;
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kBootServices = systemTable->BootServices;
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kRuntimeServices = systemTable->RuntimeServices;
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call_ctors();
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console_init();
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printf("Hello from EFI Loader for Haiku!\nPress any key to continue...\n");
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console_wait_for_key();
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return EFI_SUCCESS;
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}
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