0.4.4/experiments/new_test_loadstore_a.c

/*
 *  $Id: new_test_loadstore_a.c,v 1.3 2005/07/22 20:01:25 debug Exp $
 *
 *  Experimenting with dynamic-but-not-binary-translation load/store.
 *  See new_test_loadstore_b.c for the main() function.
 */

#include "new_test_loadstore.h"

static void inline general_store(struct cpu *cpu, struct ic *ic)
{
        general_store(cpu, ic);
}

void x(struct cpu *cpu, struct ic *ic)
{
        unsigned int addr = *ic->arg1; /* + ic->arg2; */
        unsigned char **table1, *page;

#ifdef AAA
        page = cpu->table0[addr >> 12];
#else
        table1 = cpu->table0[addr >> 22];
        page = table1[((addr >> 12) & 1023)*2 + 1];
#endif

        if (page != 0)
                page[addr & 4095] = *(ic->arg3);
        else
                general_store(cpu, ic);
}

void y(struct cpu *cpu, struct ic *ic)
{
        unsigned int addr = *ic->arg1; /* + ic->arg2; */
        unsigned char **table1, *page;

#ifdef AAA
        page = cpu->table0[addr >> 12];
#else
        table1 = cpu->table0[addr >> 22];
        page = table1[((addr >> 12) & 1023)*2 + 0];
#endif
        if (page != 0)
                *(ic->arg3) = page[addr & 4095];
        else
                general_store(cpu, ic);
}

1	dpavlin	12	/*
2			* $Id: new_test_loadstore_a.c,v 1.3 2005/07/22 20:01:25 debug Exp $
3			*
4			* Experimenting with dynamic-but-not-binary-translation load/store.
5			* See new_test_loadstore_b.c for the main() function.
6			*/
7
8			#include "new_test_loadstore.h"
9
10			static void inline general_store(struct cpu cpu, struct ic ic)
11			{
12			general_store(cpu, ic);
13			}
14
15			void x(struct cpu cpu, struct ic ic)
16			{
17			unsigned int addr = ic->arg1; / + ic->arg2; */
18			unsigned char *table1, page;
19
20			#ifdef AAA
21			page = cpu->table0[addr >> 12];
22			#else
23			table1 = cpu->table0[addr >> 22];
24			page = table1[((addr >> 12) & 1023)*2 + 1];
25			#endif
26
27			if (page != 0)
28			page[addr & 4095] = *(ic->arg3);
29			else
30			general_store(cpu, ic);
31			}
32
33			void y(struct cpu cpu, struct ic ic)
34			{
35			unsigned int addr = ic->arg1; / + ic->arg2; */
36			unsigned char *table1, page;
37
38			#ifdef AAA
39			page = cpu->table0[addr >> 12];
40			#else
41			table1 = cpu->table0[addr >> 22];
42			page = table1[((addr >> 12) & 1023)*2 + 0];
43			#endif
44			if (page != 0)
45			*(ic->arg3) = page[addr & 4095];
46			else
47			general_store(cpu, ic);
48			}
49