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This commit is contained in:
Markus Fröschle
2013-05-03 19:24:34 +00:00
parent dc048978b5
commit 9ca54ea56d
2 changed files with 12 additions and 10 deletions
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2
sd-emutos/cookie.c
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@@ -15,7 +15,7 @@ static uint32_t cookieptr(void)
int getcookie(uint32_t cookie, uint32_t *p_value) int getcookie(uint32_t cookie, uint32_t *p_value)
{ {
uint32_t *cookiejar = (long *) Supexec(cookieptr); uint32_t *cookiejar = (uint32_t *) Supexec(cookieptr);
if (!cookiejar) return 0; if (!cookiejar) return 0;

20
sd-emutos/emusd.c
View File

@@ -13,6 +13,8 @@
#include <stdio.h> #include <stdio.h>
#include <osbind.h> #include <osbind.h>
//#include "cookie.h"
#define XHDIMAGIC 0x27011992L #define XHDIMAGIC 0x27011992L
typedef uint32_t (*cookie_fun)(uint16_t opcode,...); typedef uint32_t (*cookie_fun)(uint16_t opcode,...);
@@ -21,39 +23,39 @@ static cookie_fun old_vector = NULL;
static cookie_fun get_fun_ptr(void) static cookie_fun get_fun_ptr(void)
{ {
static cookie_fun XHDI = NULL; static cookie_fun xhdi = NULL;
static int have_it = 0; static int have_it = 0;
if (!have_it) if (!have_it)
{ {
uint32_t *magic_test; uint32_t *magic_test;
getcookie ('XHDI', (uint32_t *) &XHDI); getcookie ('XHDI', (uint32_t *) &xhdi);
have_it = 1; have_it = 1;
/* check magic */ /* check magic */
magic_test = (uint32_t *)XHDI; magic_test = (uint32_t *) xhdi;
if (magic_test && (magic_test[-1] != XHDIMAGIC)) if (magic_test && (magic_test[-1] != XHDIMAGIC))
XHDI = NULL; xhdi = NULL;
} }
return XHDI; return xhdi;
} }
__extension__ cookie_fun bas_sd_vector(cookie_fun old_vector) cookie_fun bas_sd_vector(cookie_fun old_vector)
{ {
register long retvalue __asm__("d0"); register long retvalue __asm__("d0");
__asm__ __volatile( __asm__ __volatile(
"move.l %1,-(sp)\n\t" "move.l %[retvalue],-(sp)\n\t"
"trap #0\n\t" "trap #0\n\t"
"addq.l #4,sp\n\t" "addq.l #4,sp\n\t"
: "=r"(retvalue) : [retvalue]"=r"(retvalue)
: "g"(old_vector) : "g"(old_vector)
: :
); );
retvalue; return retvalue;
} }
int main(int argc, char *argv[]) int main(int argc, char *argv[])