diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/arch/i386/core/video_subr.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/core/video_subr.c')
-rw-r--r-- | qemu/roms/ipxe/src/arch/i386/core/video_subr.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/core/video_subr.c b/qemu/roms/ipxe/src/arch/i386/core/video_subr.c deleted file mode 100644 index 3f701bd96..000000000 --- a/qemu/roms/ipxe/src/arch/i386/core/video_subr.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * - * modified from linuxbios code - * by Cai Qiang <rimy2000@hotmail.com> - * - */ - -#include "stddef.h" -#include "string.h" -#include <ipxe/io.h> -#include <ipxe/console.h> -#include <ipxe/init.h> -#include "vga.h" -#include <config/console.h> - -/* Set default console usage if applicable */ -#if ! ( defined ( CONSOLE_DIRECT_VGA ) && \ - CONSOLE_EXPLICIT ( CONSOLE_DIRECT_VGA ) ) -#undef CONSOLE_DIRECT_VGA -#define CONSOLE_DIRECT_VGA ( CONSOLE_USAGE_ALL & ~CONSOLE_USAGE_LOG ) -#endif - -struct console_driver vga_console __console_driver; - -static char *vidmem; /* The video buffer */ -static int video_line, video_col; - -#define VIDBUFFER 0xB8000 - -static void memsetw(void *s, int c, unsigned int n) -{ - unsigned int i; - u16 *ss = (u16 *) s; - - for (i = 0; i < n; i++) { - ss[i] = ( u16 ) c; - } -} - -static void video_init(void) -{ - static int inited=0; - - vidmem = (char *)phys_to_virt(VIDBUFFER); - - if (!inited) { - video_line = 0; - video_col = 0; - - memsetw(vidmem, VGA_ATTR_CLR_WHT, 2*1024); // - - inited=1; - } -} - -static void video_scroll(void) -{ - int i; - - memcpy(vidmem, vidmem + COLS * 2, (LINES - 1) * COLS * 2); - for (i = (LINES - 1) * COLS * 2; i < LINES * COLS * 2; i += 2) - vidmem[i] = ' '; -} - -static void vga_putc(int byte) -{ - if (byte == '\n') { - video_line++; - video_col = 0; - - } else if (byte == '\r') { - video_col = 0; - - } else if (byte == '\b') { - video_col--; - - } else if (byte == '\t') { - video_col += 4; - - } else if (byte == '\a') { - //beep - //beep(500); - - } else { - vidmem[((video_col + (video_line *COLS)) * 2)] = byte; - vidmem[((video_col + (video_line *COLS)) * 2) +1] = VGA_ATTR_CLR_WHT; - video_col++; - } - if (video_col < 0) { - video_col = 0; - } - if (video_col >= COLS) { - video_line++; - video_col = 0; - } - if (video_line >= LINES) { - video_scroll(); - video_line--; - } - // move the cursor - write_crtc((video_col + (video_line *COLS)) >> 8, CRTC_CURSOR_HI); - write_crtc((video_col + (video_line *COLS)) & 0x0ff, CRTC_CURSOR_LO); -} - -struct console_driver vga_console __console_driver = { - .putchar = vga_putc, - .disabled = CONSOLE_DISABLED, - .usage = CONSOLE_DIRECT_VGA, -}; - -struct init_fn video_init_fn __init_fn ( INIT_EARLY ) = { - .initialise = video_init, -}; |