diff options
Diffstat (limited to 'meta/packages/uboot/u-boot-mkimage-openmoko-native/console-ansi.patch')
-rw-r--r-- | meta/packages/uboot/u-boot-mkimage-openmoko-native/console-ansi.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/console-ansi.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/console-ansi.patch new file mode 100644 index 0000000000..2ac5b75dee --- /dev/null +++ b/meta/packages/uboot/u-boot-mkimage-openmoko-native/console-ansi.patch | |||
@@ -0,0 +1,127 @@ | |||
1 | drivers/cfb_console.c: added processing of ANSI escape sequences \e[2J, \e[m, | ||
2 | \e[7m, and \e[row;colH | ||
3 | drivers/cfb_console.c (video_putc): make \r return to the beginning of the line | ||
4 | |||
5 | - Werner Almesberger <werner@openmoko.org> | ||
6 | |||
7 | Index: u-boot/drivers/cfb_console.c | ||
8 | =================================================================== | ||
9 | --- u-boot.orig/drivers/cfb_console.c | ||
10 | +++ u-boot/drivers/cfb_console.c | ||
11 | @@ -181,6 +181,7 @@ CONFIG_VIDEO_HW_CURSOR: - Uses the | ||
12 | |||
13 | #include <version.h> | ||
14 | #include <linux/types.h> | ||
15 | +#include <linux/ctype.h> | ||
16 | #include <devices.h> | ||
17 | #include <video_font.h> | ||
18 | #ifdef CFG_CMD_DATE | ||
19 | @@ -676,10 +677,96 @@ static void console_newline (void) | ||
20 | |||
21 | /*****************************************************************************/ | ||
22 | |||
23 | +static enum { | ||
24 | + CS_NORMAL = 0, | ||
25 | + CS_ESC, | ||
26 | + CS_NUM1, | ||
27 | + CS_NUM2, | ||
28 | +} state = 0; | ||
29 | + | ||
30 | +static int num1, num2; | ||
31 | + | ||
32 | + | ||
33 | +static void swap_drawing_colors(void) | ||
34 | +{ | ||
35 | + eorx = fgx; | ||
36 | + fgx = bgx; | ||
37 | + bgx = eorx; | ||
38 | + eorx = fgx ^ bgx; | ||
39 | +} | ||
40 | + | ||
41 | + | ||
42 | +static void process_sequence(char c) | ||
43 | +{ | ||
44 | + static int inverted = 0; | ||
45 | + int i, inv; | ||
46 | + | ||
47 | + switch (c) { | ||
48 | + case 'J': | ||
49 | + /* assume num1 == 2 */ | ||
50 | + for (i = 0; i != CONSOLE_ROWS; i++) | ||
51 | + console_scrollup(); | ||
52 | + break; | ||
53 | + case 'H': | ||
54 | + if (num1 > CONSOLE_ROWS || num2 > CONSOLE_COLS) | ||
55 | + break; | ||
56 | + console_col = num2 ? num2-1 : 0; | ||
57 | + console_row = num1 ? num1-1 : 0; | ||
58 | + break; | ||
59 | + case 'm': | ||
60 | + inv = num1 == 7; | ||
61 | + if (num1 && !inv) | ||
62 | + break; | ||
63 | + if (inverted != inv) | ||
64 | + swap_drawing_colors(); | ||
65 | + inverted = inv; | ||
66 | + break; | ||
67 | + } | ||
68 | +} | ||
69 | + | ||
70 | + | ||
71 | +static void escape_sequence(char c) | ||
72 | +{ | ||
73 | + switch (state) { | ||
74 | + case CS_ESC: | ||
75 | + state = c == '[' ? CS_NUM1 : CS_NORMAL; | ||
76 | + num1 = num2 = 0; | ||
77 | + break; | ||
78 | + case CS_NUM1: | ||
79 | + if (isdigit(c)) | ||
80 | + num1 = num1*10+c-'0'; | ||
81 | + else if (c == ';') | ||
82 | + state = CS_NUM2; | ||
83 | + else { | ||
84 | + process_sequence(c); | ||
85 | + state = CS_NORMAL; | ||
86 | + } | ||
87 | + break; | ||
88 | + case CS_NUM2: | ||
89 | + if (isdigit(c)) | ||
90 | + num2 = num2*10+c-'0'; | ||
91 | + else { | ||
92 | + process_sequence(c); | ||
93 | + state = CS_NORMAL; | ||
94 | + } | ||
95 | + default: | ||
96 | + /* can't happen */; | ||
97 | + } | ||
98 | +} | ||
99 | + | ||
100 | + | ||
101 | void video_putc (const char c) | ||
102 | { | ||
103 | + if (state) { | ||
104 | + escape_sequence(c); | ||
105 | + CURSOR_SET; | ||
106 | + return; | ||
107 | + } | ||
108 | + | ||
109 | switch (c) { | ||
110 | - case 13: /* ignore */ | ||
111 | + case 13: /* return to beginning of line */ | ||
112 | + CURSOR_OFF; | ||
113 | + console_col = 0; | ||
114 | break; | ||
115 | |||
116 | case '\n': /* next line */ | ||
117 | @@ -698,6 +785,10 @@ void video_putc (const char c) | ||
118 | console_back (); | ||
119 | break; | ||
120 | |||
121 | + case '\e': | ||
122 | + state = CS_ESC; | ||
123 | + break; | ||
124 | + | ||
125 | default: /* draw the char */ | ||
126 | video_putchar (console_col * VIDEO_FONT_WIDTH, | ||
127 | console_row * VIDEO_FONT_HEIGHT, | ||