forked from luck/tmp_suning_uos_patched
[PATCH] x86: early_printk(): remove MAX_YPOS and MAX_XPOS macros
Expand out these fairly pointless macros. Cc: Chuck Ebbert <76306.1226@compuserve.com> Cc: Stas Sergeev <stsp@aknet.ru> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -17,9 +17,6 @@
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#define VGABASE ((void __iomem *)0xffffffff800b8000UL)
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#endif
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#define MAX_YPOS max_ypos
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#define MAX_XPOS max_xpos
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static int max_ypos = 25, max_xpos = 80;
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static int current_ypos = 25, current_xpos = 0;
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@ -29,26 +26,26 @@ static void early_vga_write(struct console *con, const char *str, unsigned n)
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int i, k, j;
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while ((c = *str++) != '\0' && n-- > 0) {
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if (current_ypos >= MAX_YPOS) {
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if (current_ypos >= max_ypos) {
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/* scroll 1 line up */
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for (k = 1, j = 0; k < MAX_YPOS; k++, j++) {
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for (i = 0; i < MAX_XPOS; i++) {
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writew(readw(VGABASE + 2*(MAX_XPOS*k + i)),
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VGABASE + 2*(MAX_XPOS*j + i));
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for (k = 1, j = 0; k < max_ypos; k++, j++) {
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for (i = 0; i < max_xpos; i++) {
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writew(readw(VGABASE+2*(max_xpos*k+i)),
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VGABASE + 2*(max_xpos*j + i));
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}
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}
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for (i = 0; i < MAX_XPOS; i++)
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writew(0x720, VGABASE + 2*(MAX_XPOS*j + i));
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current_ypos = MAX_YPOS-1;
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for (i = 0; i < max_xpos; i++)
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writew(0x720, VGABASE + 2*(max_xpos*j + i));
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current_ypos = max_ypos-1;
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}
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if (c == '\n') {
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current_xpos = 0;
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current_ypos++;
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} else if (c != '\r') {
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writew(((0x7 << 8) | (unsigned short) c),
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VGABASE + 2*(MAX_XPOS*current_ypos +
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VGABASE + 2*(max_xpos*current_ypos +
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current_xpos++));
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if (current_xpos >= MAX_XPOS) {
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if (current_xpos >= max_xpos) {
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current_xpos = 0;
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current_ypos++;
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}
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