aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/asm-arm/arch-rpc/uncompress.h72
1 files changed, 57 insertions, 15 deletions
diff --git a/include/asm-arm/arch-rpc/uncompress.h b/include/asm-arm/arch-rpc/uncompress.h
index 06231ede54e5..b8e29efd8c5b 100644
--- a/include/asm-arm/arch-rpc/uncompress.h
+++ b/include/asm-arm/arch-rpc/uncompress.h
@@ -11,9 +11,11 @@
11 11
12#include <asm/hardware.h> 12#include <asm/hardware.h>
13#include <asm/io.h> 13#include <asm/io.h>
14#include <asm/setup.h>
15#include <asm/page.h>
14 16
15int video_num_columns, video_num_lines, video_size_row; 17int video_size_row;
16int white, bytes_per_char_h; 18unsigned char bytes_per_char_h;
17extern unsigned long con_charconvtable[256]; 19extern unsigned long con_charconvtable[256];
18 20
19struct param_struct { 21struct param_struct {
@@ -64,6 +66,13 @@ extern __attribute__((pure)) struct param_struct *params(void);
64#define params (params()) 66#define params (params())
65 67
66#ifndef STANDALONE_DEBUG 68#ifndef STANDALONE_DEBUG
69static unsigned long video_num_cols;
70static unsigned long video_num_rows;
71static unsigned long video_x;
72static unsigned long video_y;
73static unsigned char bytes_per_char_v;
74static int white;
75
67/* 76/*
68 * This does not append a newline 77 * This does not append a newline
69 */ 78 */
@@ -73,27 +82,27 @@ static void putc(int c)
73 int x,y; 82 int x,y;
74 char *ptr; 83 char *ptr;
75 84
76 x = params->video_x; 85 x = video_x;
77 y = params->video_y; 86 y = video_y;
78 87
79 if (c == '\n') { 88 if (c == '\n') {
80 if (++y >= video_num_lines) 89 if (++y >= video_num_rows)
81 y--; 90 y--;
82 } else if (c == '\r') { 91 } else if (c == '\r') {
83 x = 0; 92 x = 0;
84 } else { 93 } else {
85 ptr = VIDMEM + ((y*video_num_columns*params->bytes_per_char_v+x)*bytes_per_char_h); 94 ptr = VIDMEM + ((y*video_num_cols*bytes_per_char_v+x)*bytes_per_char_h);
86 ll_write_char(ptr, c, white); 95 ll_write_char(ptr, c, white);
87 if (++x >= video_num_columns) { 96 if (++x >= video_num_cols) {
88 x = 0; 97 x = 0;
89 if ( ++y >= video_num_lines ) { 98 if ( ++y >= video_num_rows ) {
90 y--; 99 y--;
91 } 100 }
92 } 101 }
93 } 102 }
94 103
95 params->video_x = x; 104 video_x = x;
96 params->video_y = y; 105 video_y = y;
97} 106}
98 107
99static inline void flush(void) 108static inline void flush(void)
@@ -108,11 +117,44 @@ static void error(char *x);
108static void arch_decomp_setup(void) 117static void arch_decomp_setup(void)
109{ 118{
110 int i; 119 int i;
120 struct tag *t = (struct tag *)params;
121 unsigned int nr_pages = 0, page_size = PAGE_SIZE;
122
123 if (t->hdr.tag == ATAG_CORE)
124 {
125 for (; t->hdr.size; t = tag_next(t))
126 {
127 if (t->hdr.tag == ATAG_VIDEOTEXT)
128 {
129 video_num_rows = t->u.videotext.video_lines;
130 video_num_cols = t->u.videotext.video_cols;
131 bytes_per_char_h = t->u.videotext.video_points;
132 bytes_per_char_v = t->u.videotext.video_points;
133 video_x = t->u.videotext.x;
134 video_y = t->u.videotext.y;
135 }
136
137 if (t->hdr.tag == ATAG_MEM)
138 {
139 page_size = PAGE_SIZE;
140 nr_pages += (t->u.mem.size / PAGE_SIZE);
141 }
142 }
143 }
144 else
145 {
146 nr_pages = params->nr_pages;
147 page_size = params->page_size;
148 video_num_rows = params->video_num_rows;
149 video_num_cols = params->video_num_cols;
150 video_x = params->video_x;
151 video_y = params->video_y;
152 bytes_per_char_h = params->bytes_per_char_h;
153 bytes_per_char_v = params->bytes_per_char_v;
154 }
155
156 video_size_row = video_num_cols * bytes_per_char_h;
111 157
112 video_num_lines = params->video_num_rows;
113 video_num_columns = params->video_num_cols;
114 bytes_per_char_h = params->bytes_per_char_h;
115 video_size_row = video_num_columns * bytes_per_char_h;
116 if (bytes_per_char_h == 4) 158 if (bytes_per_char_h == 4)
117 for (i = 0; i < 256; i++) 159 for (i = 0; i < 256; i++)
118 con_charconvtable[i] = 160 con_charconvtable[i] =
@@ -146,7 +188,7 @@ static void arch_decomp_setup(void)
146 white = 7; 188 white = 7;
147 } 189 }
148 190
149 if (params->nr_pages * params->page_size < 4096*1024) error("<4M of mem\n"); 191 if (nr_pages * page_size < 4096*1024) error("<4M of mem\n");
150} 192}
151#endif 193#endif
152 194