0.3.5/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	/*
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