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foo
[gbajam21]
/
src
/
util.c
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#include "util.h"
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#include "debug.h"
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extern char __data_end__;
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static char *top = &__data_end__;
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int iwram_brk(void *addr)
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{
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if((char*)addr < &__data_end__) {
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addr = &__data_end__;
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}
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if(addr > get_sp()) {
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/*return -1;*/
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panic(get_pc(), "iwram_brk (%p) >= sp", addr);
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}
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top = addr;
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return 0;
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}
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void *iwram_sbrk(intptr_t delta)
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{
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void *prev = top;
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iwram_brk(top + delta);
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return prev;
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}