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Allow using the kernel debugger from inside BeBochs using your local keyboard.

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You need to enable BOCHS_INPUT_HACK and type inside the BeBochs window,
NOT inside the Terminal where the output is printed.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1219 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2002-09-28 00:51:38 +00:00
parent 140df892f3
commit 5cd2d50a61
1 changed files with 44 additions and 0 deletions
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44
src/kernel/core/arch/x86/arch_dbg_console.c
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@ -4,6 +4,7 @@
*/
/*
** Modified 2001/09/05 by Rob Judd<judd@ob-wan.com>
** Modified 2002/09/28 by Marcus Overhagen <marcus@overhagen.de>
*/
#include <kernel.h>
#include <int.h>
@ -15,6 +16,7 @@
#include <string.h>
//#define BOCHS_E9_HACK 0
#define BOCHS_INPUT_HACK 0
// Select between COM1 and COM2 for debug output
#define USE_COM1 1
@ -42,6 +44,48 @@ int arch_dbg_con_init(kernel_args *ka)
char arch_dbg_con_read(void)
{
#if BOCHS_INPUT_HACK
// stolen from nujeffos
static const char unshifted_keymap[128] = {
0, 27, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 8, '\t',
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', 0, 'a', 's',
'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0, '\\', 'z', 'x', 'c', 'v',
'b', 'n', 'm', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
'\\', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
const char shifted_keymap[128] = {
0, 27, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 8, '\t',
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', 0, 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~', 0, '|', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', '<', '>', '?', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
static bool shift = false;
static uint8 last = 0;
uint8 key, ascii = 0;
do {
while ((key = in8(0x60)) == last)
;
last = key;
if (key & 0x80) {
if (key == (0x80 + 42) || key == (54 + 0x80))
shift = false;
} else {
if (key == 42 || key == 54)
shift = true;
else
ascii = shift ? shifted_keymap[key] : unshifted_keymap[key];
}
} while (!ascii);
return ascii;
#endif
#if USE_COM1
while ((in8(0x3fd) & 1) == 0)
;