forked from PAWPAW-Mirror/lib_xua
24 lines
629 B
C
24 lines
629 B
C
#ifndef __xc_ptr__
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#define __xc_ptr__
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typedef unsigned int xc_ptr;
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inline xc_ptr array_to_xc_ptr(unsigned a[]) {
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xc_ptr x;
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asm("mov %0, %1":"=r"(x):"r"(a));
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return x;
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}
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#define write_via_xc_ptr(p,x) asm("stw %0, %1[0]"::"r"(x),"r"(p))
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#define write_via_xc_ptr_indexed(p,i,x) asm("stw %0, %1[%2]"::"r"(x),"r"(p),"r"(i))
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#define read_via_xc_ptr(x,p) asm("ldw %0, %1[0]":"=r"(x):"r"(p));
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#define read_via_xc_ptr_indexed(x,p,i) asm("ldw %0, %1[%2]":"=r"(x):"r"(p),"r"(i));
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#define GET_SHARED_GLOBAL(x, g) asm("ldw %0, dp[" #g "]":"=r"(x))
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#define SET_SHARED_GLOBAL(g, v) asm("stw %0, dp[" #g "]"::"r"(v))
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#endif
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