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Let's not mess around with SP.

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László Monda
2017-06-04 23:03:50 +02:00
parent 96b12aa69d
commit a6ed51360f
1 changed files with 0 additions and 13 deletions
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13
right/src/wormhole.c
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@@ -1,16 +1,3 @@
#include "wormhole.h" #include "wormhole.h"
wormhole_t *Wormhole NO_INIT_GCC; wormhole_t *Wormhole NO_INIT_GCC;
void* getSP(void)
{
void *sp;
__asm__ __volatile__ ("mov %0, sp" : "=r"(sp));
return sp;
}
void __attribute__ ((__section__ (".init3"), __naked__)) move_sp(void) {
void* SP = getSP();
SP -= sizeof(wormhole_t);
Wormhole = (wormhole_t*)(SP + 1);
}