gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 276 deletions

diff --git a/gpxe/src/interface/efi/efi_console.c b/gpxe/src/interface/efi/efi_console.c
deleted file mode 100644
index 04af28a2..00000000
--- a/gpxe/src/interface/efi/efi_console.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stddef.h>
-#include <assert.h>
-#include <gpxe/efi/efi.h>
-#include <gpxe/ansiesc.h>
-#include <console.h>
-
-#define ATTR_BOLD		0x08
-
-#define ATTR_FCOL_MASK		0x07
-#define ATTR_FCOL_BLACK		0x00
-#define ATTR_FCOL_BLUE		0x01
-#define ATTR_FCOL_GREEN		0x02
-#define ATTR_FCOL_CYAN		0x03
-#define ATTR_FCOL_RED		0x04
-#define ATTR_FCOL_MAGENTA	0x05
-#define ATTR_FCOL_YELLOW	0x06
-#define ATTR_FCOL_WHITE		0x07
-
-#define ATTR_BCOL_MASK		0x70
-#define ATTR_BCOL_BLACK		0x00
-#define ATTR_BCOL_BLUE		0x10
-#define ATTR_BCOL_GREEN		0x20
-#define ATTR_BCOL_CYAN		0x30
-#define ATTR_BCOL_RED		0x40
-#define ATTR_BCOL_MAGENTA	0x50
-#define ATTR_BCOL_YELLOW	0x60
-#define ATTR_BCOL_WHITE		0x70
-
-#define ATTR_DEFAULT		ATTR_FCOL_WHITE
-
-/** Current character attribute */
-static unsigned int efi_attr = ATTR_DEFAULT;
-
-/**
- * Handle ANSI CUP (cursor position)
- *
- * @v count		Parameter count
- * @v params[0]		Row (1 is top)
- * @v params[1]		Column (1 is left)
- */
-static void efi_handle_cup ( unsigned int count __unused, int params[] ) {
-	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *conout = efi_systab->ConOut;
-	int cx = ( params[1] - 1 );
-	int cy = ( params[0] - 1 );
-
-	if ( cx < 0 )
-		cx = 0;
-	if ( cy < 0 )
-		cy = 0;
-
-	conout->SetCursorPosition ( conout, cx, cy );
-}
-
-/**
- * Handle ANSI ED (erase in page)
- *
- * @v count		Parameter count
- * @v params[0]		Region to erase
- */
-static void efi_handle_ed ( unsigned int count __unused,
-			     int params[] __unused ) {
-	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *conout = efi_systab->ConOut;
-
-	/* We assume that we always clear the whole screen */
-	assert ( params[0] == ANSIESC_ED_ALL );
-
-	conout->ClearScreen ( conout );
-}
-
-/**
- * Handle ANSI SGR (set graphics rendition)
- *
- * @v count		Parameter count
- * @v params		List of graphic rendition aspects
- */
-static void efi_handle_sgr ( unsigned int count, int params[] ) {
-	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *conout = efi_systab->ConOut;
-	static const uint8_t efi_attr_fcols[10] = {
-		ATTR_FCOL_BLACK, ATTR_FCOL_RED, ATTR_FCOL_GREEN,
-		ATTR_FCOL_YELLOW, ATTR_FCOL_BLUE, ATTR_FCOL_MAGENTA,
-		ATTR_FCOL_CYAN, ATTR_FCOL_WHITE,
-		ATTR_FCOL_WHITE, ATTR_FCOL_WHITE /* defaults */
-	};
-	static const uint8_t efi_attr_bcols[10] = {
-		ATTR_BCOL_BLACK, ATTR_BCOL_RED, ATTR_BCOL_GREEN,
-		ATTR_BCOL_YELLOW, ATTR_BCOL_BLUE, ATTR_BCOL_MAGENTA,
-		ATTR_BCOL_CYAN, ATTR_BCOL_WHITE,
-		ATTR_BCOL_BLACK, ATTR_BCOL_BLACK /* defaults */
-	};
-	unsigned int i;
-	int aspect;
-
-	for ( i = 0 ; i < count ; i++ ) {
-		aspect = params[i];
-		if ( aspect == 0 ) {
-			efi_attr = ATTR_DEFAULT;
-		} else if ( aspect == 1 ) {
-			efi_attr |= ATTR_BOLD;
-		} else if ( aspect == 22 ) {
-			efi_attr &= ~ATTR_BOLD;
-		} else if ( ( aspect >= 30 ) && ( aspect <= 39 ) ) {
-			efi_attr &= ~ATTR_FCOL_MASK;
-			efi_attr |= efi_attr_fcols[ aspect - 30 ];
-		} else if ( ( aspect >= 40 ) && ( aspect <= 49 ) ) {
-			efi_attr &= ~ATTR_BCOL_MASK;
-			efi_attr |= efi_attr_bcols[ aspect - 40 ];
-		}
-	}
-
-	conout->SetAttribute ( conout, efi_attr );
-}
-
-/** EFI console ANSI escape sequence handlers */
-static struct ansiesc_handler efi_ansiesc_handlers[] = {
-	{ ANSIESC_CUP, efi_handle_cup },
-	{ ANSIESC_ED, efi_handle_ed },
-	{ ANSIESC_SGR, efi_handle_sgr },
-	{ 0, NULL }
-};
-
-/** EFI console ANSI escape sequence context */
-static struct ansiesc_context efi_ansiesc_ctx = {
-	.handlers = efi_ansiesc_handlers,
-};
-
-/**
- * Print a character to EFI console
- *
- * @v character		Character to be printed
- */
-static void efi_putchar ( int character ) {
-	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *conout = efi_systab->ConOut;
-	wchar_t wstr[] = { character, 0 };
-
-	/* Intercept ANSI escape sequences */
-	character = ansiesc_process ( &efi_ansiesc_ctx, character );
-	if ( character < 0 )
-		return;
-
-	conout->OutputString ( conout, wstr );
-}
-
-/**
- * Pointer to current ANSI output sequence
- *
- * While we are in the middle of returning an ANSI sequence for a
- * special key, this will point to the next character to return.  When
- * not in the middle of such a sequence, this will point to a NUL
- * (note: not "will be NULL").
- */
-static const char *ansi_input = "";
-
-/** Mapping from EFI scan codes to ANSI escape sequences */
-static const char *ansi_sequences[] = {
-	[SCAN_UP] = "[A",
-	[SCAN_DOWN] = "[B",
-	[SCAN_RIGHT] = "[C",
-	[SCAN_LEFT] = "[D",
-	[SCAN_HOME] = "[H",
-	[SCAN_END] = "[F",
-	[SCAN_INSERT] = "[2~",
-	/* EFI translates an incoming backspace via the serial console
-	 * into a SCAN_DELETE.  There's not much we can do about this.
-	 */
-	[SCAN_DELETE] = "[3~",
-	[SCAN_PAGE_UP] = "[5~",
-	[SCAN_PAGE_DOWN] = "[6~",
-	/* EFI translates some (but not all) incoming escape sequences
-	 * via the serial console into equivalent scancodes.  When it
-	 * doesn't recognise a sequence, it helpfully(!) translates
-	 * the initial ESC and passes the remainder through verbatim.
-	 * Treating SCAN_ESC as equivalent to an empty escape sequence
-	 * works around this bug.
-	 */
-	[SCAN_ESC] = "",
-};
-
-/**
- * Get ANSI escape sequence corresponding to EFI scancode
- *
- * @v scancode		EFI scancode
- * @ret ansi_seq	ANSI escape sequence, if any, otherwise NULL
- */
-static const char * scancode_to_ansi_seq ( unsigned int scancode ) {
-	if ( scancode < ( sizeof ( ansi_sequences ) /
-			  sizeof ( ansi_sequences[0] ) ) ) {
-		return ansi_sequences[scancode];
-	}
-	return NULL;
-}
-
-/**
- * Get character from EFI console
- *
- * @ret character	Character read from console
- */
-static int efi_getchar ( void ) {
-	EFI_SIMPLE_TEXT_INPUT_PROTOCOL *conin = efi_systab->ConIn;
-	const char *ansi_seq;
-	EFI_INPUT_KEY key;
-	EFI_STATUS efirc;
-
-	/* If we are mid-sequence, pass out the next byte */
-	if ( *ansi_input )
-		return *(ansi_input++);
-
-	/* Read key from real EFI console */
-	if ( ( efirc = conin->ReadKeyStroke ( conin, &key ) ) != 0 ) {
-		DBG ( "EFI could not read keystroke: %s\n",
-		      efi_strerror ( efirc ) );
-		return 0;
-	}
-	DBG2 ( "EFI read key stroke with unicode %04x scancode %04x\n",
-	       key.UnicodeChar, key.ScanCode );
-
-	/* If key has a Unicode representation, return it */
-	if ( key.UnicodeChar )
-		return key.UnicodeChar;
-
-	/* Otherwise, check for a special key that we know about */
-	if ( ( ansi_seq = scancode_to_ansi_seq ( key.ScanCode ) ) ) {
-		/* Start of escape sequence: return ESC (0x1b) */
-		ansi_input = ansi_seq;
-		return 0x1b;
-	}
-
-	return 0;
-}
-
-/**
- * Check for character ready to read from EFI console
- *
- * @ret True		Character available to read
- * @ret False		No character available to read
- */
-static int efi_iskey ( void ) {
-	EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
-	EFI_SIMPLE_TEXT_INPUT_PROTOCOL *conin = efi_systab->ConIn;
-	EFI_STATUS efirc;
-
-	/* If we are mid-sequence, we are always ready */
-	if ( *ansi_input )
-		return 1;
-
-	/* Check to see if the WaitForKey event has fired */
-	if ( ( efirc = bs->CheckEvent ( conin->WaitForKey ) ) == 0 )
-		return 1;
-
-	return 0;
-}
-
-struct console_driver efi_console __console_driver = {
-	.putchar = efi_putchar,
-	.getchar = efi_getchar,
-	.iskey = efi_iskey,
-};