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Add a progress bar

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This commit is contained in:
Laurent Vivier 2005-12-02 19:05:36 +00:00
parent 3be455d92b
commit 7e6ec8e67b
1 changed files with 51 additions and 18 deletions
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69
second/load.c
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@ -4,6 +4,8 @@
*
*/
#define __NO_INLINE__
#include <stdio.h>
#include <malloc.h>
#include <elf.h>
@ -13,6 +15,7 @@
#include <macos/devices.h>
#include <libstream.h>
#include "console.h"
#include "bank.h"
#include "misc.h"
@ -21,6 +24,36 @@
#define PAGE_SHIFT 12
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define BAR_STEP 40
static int bar_read(stream_t *stream, char*buffer, int size,
int current, int total_size)
{
int read = 0;
int blksize = (total_size + BAR_STEP - 1) / BAR_STEP;
int ret;
while (size)
{
if (blksize > size)
blksize = size;
ret = stream_read(stream, buffer, blksize);
read += ret;
if (ret != blksize)
break;
console_cursor_restore();
printf("#");
console_cursor_save();
printf(" %d %%", ((current + read) * 100 + total_size / 2) / total_size);
buffer += ret;
size -= ret;
}
console_cursor_restore();
printf(" %d %%", ((current + read) * 100 + total_size / 2) / total_size);
return read;
}
char* load_kernel(char* path, int bootstrap_size,
unsigned long *base, unsigned long *entry, unsigned long *size)
{
@ -31,6 +64,10 @@ char* load_kernel(char* path, int bootstrap_size,
int i;
char *kernel;
stream_t *stream;
int read;
int to_read;
printf("Loading kernel ");
stream = stream_open(path);
if (stream == NULL)
@ -68,12 +105,14 @@ char* load_kernel(char* path, int bootstrap_size,
min_addr = 0xffffffff;
max_addr = 0;
to_read = 0;
for (i = 0; i < elf_header.e_phnum; i++)
{
min_addr = (min_addr > program_header[i].p_vaddr) ?
program_header[i].p_vaddr : min_addr;
max_addr = (max_addr < program_header[i].p_vaddr + program_header[i].p_memsz) ?
program_header[i].p_vaddr + program_header[i].p_memsz: max_addr;
to_read += program_header[i].p_filesz;
}
if (min_addr == 0)
{
@ -84,9 +123,6 @@ char* load_kernel(char* path, int bootstrap_size,
program_header[0].p_memsz -= PAGE_SIZE;
}
kernel_size = max_addr - min_addr;
printf( "Kernel memory footprint: %ld\n", kernel_size);
printf( "Base address: 0x%lx\n", min_addr);
printf( "Entry point: 0x%lx\n", (unsigned long)elf_header.e_entry);
*base = min_addr;
*entry = elf_header.e_entry;
@ -96,27 +132,26 @@ char* load_kernel(char* path, int bootstrap_size,
kernel = (unsigned char*)(((unsigned long)kernel + 3) & 0xFFFFFFFC);
if (!check_full_in_bank((unsigned long)kernel, kernel_size))
error("Kernel between two banks, contact maintainer\n");
printf("Loading at address %p\n", kernel);
memset(kernel, 0, kernel_size);
read = 0;
console_cursor_save();
for (i = 0; i < elf_header.e_phnum; i++)
{
printf("Reading Program Section #%d, "
"offset 0x%lx, (0x%lx,0x%lx)\n",
i, (long)program_header[i].p_offset,
program_header[i].p_vaddr - PAGE_SIZE,
(long)program_header[i].p_filesz);
ret = stream_lseek(stream, program_header[i].p_offset, SEEK_SET);
ret = stream_read(stream,
kernel + program_header[i].p_vaddr - PAGE_SIZE,
program_header[i].p_filesz);
ret = bar_read( stream,
kernel + program_header[i].p_vaddr - PAGE_SIZE,
program_header[i].p_filesz,
read, to_read);
if (ret != program_header[i].p_filesz)
{
printf("Read %d instead of %d\n",
ret, program_header[i].p_filesz);
error("Cannot load");
}
read += ret;
}
putchar('\n');
ret = stream_close(stream);
@ -136,19 +171,17 @@ char *load_ramdisk(char* path, unsigned long *ramdisk_size)
stream_fstat(stream, &stat);
printf("RAMDISK size is %d Bytes\n", (int)stat.st_size);
ramdisk_start = (char*)malloc_top(stat.st_size + 4);
ramdisk_start = (char*)(((unsigned long)ramdisk_start + 3) & 0xFFFFFFFC);
printf("RAMDISK base at %p\n", ramdisk_start);
if (!check_full_in_bank((unsigned long)ramdisk_start, stat.st_size))
error("ramdisk between two banks, contact maintainer\n");
printf("Loading RAMDISK...\n");
printf("Loading RAMDISK ");
ret = stream_read(stream, ramdisk_start, stat.st_size);
console_cursor_save();
ret = bar_read(stream, ramdisk_start, stat.st_size, 0, stat.st_size);
putchar('\n');
if (ret != stat.st_size)
error("Cannot load");
stream_close(stream);