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-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 06231ed..b8e29ef 100644
--- a/include/asm-arm/arch-rpc/uncompress.h
+++ b/include/asm-arm/arch-rpc/uncompress.h
@@ -11,9 +11,11 @@
#include <asm/hardware.h>
#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/page.h>
-int video_num_columns, video_num_lines, video_size_row;
-int white, bytes_per_char_h;
+int video_size_row;
+unsigned char bytes_per_char_h;
extern unsigned long con_charconvtable[256];
struct param_struct {
@@ -64,6 +66,13 @@ extern __attribute__((pure)) struct param_struct *params(void);
#define params (params())
#ifndef STANDALONE_DEBUG
+static unsigned long video_num_cols;
+static unsigned long video_num_rows;
+static unsigned long video_x;
+static unsigned long video_y;
+static unsigned char bytes_per_char_v;
+static int white;
+
/*
* This does not append a newline
*/
@@ -73,27 +82,27 @@ static void putc(int c)
int x,y;
char *ptr;
- x = params->video_x;
- y = params->video_y;
+ x = video_x;
+ y = video_y;
if (c == '\n') {
- if (++y >= video_num_lines)
+ if (++y >= video_num_rows)
y--;
} else if (c == '\r') {
x = 0;
} else {
- ptr = VIDMEM + ((y*video_num_columns*params->bytes_per_char_v+x)*bytes_per_char_h);
+ ptr = VIDMEM + ((y*video_num_cols*bytes_per_char_v+x)*bytes_per_char_h);
ll_write_char(ptr, c, white);
- if (++x >= video_num_columns) {
+ if (++x >= video_num_cols) {
x = 0;
- if ( ++y >= video_num_lines ) {
+ if ( ++y >= video_num_rows ) {
y--;
}
}
}
- params->video_x = x;
- params->video_y = y;
+ video_x = x;
+ video_y = y;
}
static inline void flush(void)
@@ -108,11 +117,44 @@ static void error(char *x);
static void arch_decomp_setup(void)
{
int i;
+ struct tag *t = (struct tag *)params;
+ unsigned int nr_pages = 0, page_size = PAGE_SIZE;
+
+ if (t->hdr.tag == ATAG_CORE)
+ {
+ for (; t->hdr.size; t = tag_next(t))
+ {
+ if (t->hdr.tag == ATAG_VIDEOTEXT)
+ {
+ video_num_rows = t->u.videotext.video_lines;
+ video_num_cols = t->u.videotext.video_cols;
+ bytes_per_char_h = t->u.videotext.video_points;
+ bytes_per_char_v = t->u.videotext.video_points;
+ video_x = t->u.videotext.x;
+ video_y = t->u.videotext.y;
+ }
+
+ if (t->hdr.tag == ATAG_MEM)
+ {
+ page_size = PAGE_SIZE;
+ nr_pages += (t->u.mem.size / PAGE_SIZE);
+ }
+ }
+ }
+ else
+ {
+ nr_pages = params->nr_pages;
+ page_size = params->page_size;
+ video_num_rows = params->video_num_rows;
+ video_num_cols = params->video_num_cols;
+ video_x = params->video_x;
+ video_y = params->video_y;
+ bytes_per_char_h = params->bytes_per_char_h;
+ bytes_per_char_v = params->bytes_per_char_v;
+ }
+
+ video_size_row = video_num_cols * bytes_per_char_h;
- video_num_lines = params->video_num_rows;
- video_num_columns = params->video_num_cols;
- bytes_per_char_h = params->bytes_per_char_h;
- video_size_row = video_num_columns * bytes_per_char_h;
if (bytes_per_char_h == 4)
for (i = 0; i < 256; i++)
con_charconvtable[i] =
@@ -146,7 +188,7 @@ static void arch_decomp_setup(void)
white = 7;
}
- if (params->nr_pages * params->page_size < 4096*1024) error("<4M of mem\n");
+ if (nr_pages * page_size < 4096*1024) error("<4M of mem\n");
}
#endif
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