int bb_init()
{
vuc * const g28 = REGC(0xa1000000);
vus * const g216 = REGS(0xa1000000);
vul * const g232 = REGL(0xa1000000);
int i;
unsigned int tmp;
/* Initialize the "GAPS" PCI glue controller.
It ain't pretty but it works. */
g232[0x1418/4] = 0x5a14a501; /* M */
i = 10000;
while (!(g232[0x1418/4] & 1) && i > 0)
i--;
if (!(g232[0x1418/4] & 1)) {
return -1;
}
g232[0x1420/4] = 0x01000000;
g232[0x1424/4] = 0x01000000;
g232[0x1428/4] = 0x01840000; /* DMA Base */
g232[0x142c/4] = 0x01840000 + 32*1024; /* DMA End */
g232[0x1414/4] = 0x00000001;
g232[0x1434/4] = 0x00000001;
/* Configure PCI bridge (very very hacky). If we wanted to be proper,
we ought to implement a full PCI subsystem. In this case that is
ridiculous for accessing a single card that will probably never
change. Considering that the DC is now out of production officially,
there is a VERY good chance it will never change. */
g216[0x1606/2] = 0xf900;
g232[0x1630/4] = 0x00000000;
g28[0x163c] = 0x00;
g28[0x160d] = 0xf0;
(void)g216[0x04/2];
g216[0x1604/2] = 0x0006;
g232[0x1614/4] = 0x01000000;
(void)g28[0x1650];
rtl_init();
return 0;
}
#include "packet.h"
#include "net.h"
#include "rtl8139.h"
#include "dcload.h"
unsigned int escape_loop = 0;
rtl_status_t rtl;
/* 8, 16, and 32 bit access to the PCI I/O space (configured by GAPS) */
static vuc * const nic8 = REGC(0xa1001700);
static vus * const nic16 = REGS(0xa1001700);
static vul * const nic32 = REGL(0xa1001700);
/* 8, 16, and 32 bit access to the PCI MEMMAP space (configured by GAPS) */
static vuc * const mem8 = REGC(0xa1840000);
static vus * const mem16 = REGS(0xa1840000);
static vul * const mem32 = REGL(0xa1840000);
int bb_detect()
{
const char *str = (char*)REGC(0xa1001400);
if (!memcmp(str, "GAPSPCI_BRIDGE_2", 16))
return 0;
else
return -1;
}
void rtl_init()
{
unsigned int tmp;
REGS scMult::Rd()
{
return REGS(ir.rd);
}
/* LDMDB 1110 1001 00x1 xxxx xxxx xxxx xxxx xxxx */
DECODE_CUSTOM (0xfe400000, 0xe8000000, PROBES_T32_LDMSTM),
DECODE_END
};
static const union decode_item t32_table_1110_100x_x1xx[] = {
/* Load/store dual, load/store exclusive, table branch */
/* STRD (immediate) 1110 1000 x110 xxxx xxxx xxxx xxxx xxxx */
/* LDRD (immediate) 1110 1000 x111 xxxx xxxx xxxx xxxx xxxx */
DECODE_OR (0xff600000, 0xe8600000),
/* STRD (immediate) 1110 1001 x1x0 xxxx xxxx xxxx xxxx xxxx */
/* LDRD (immediate) 1110 1001 x1x1 xxxx xxxx xxxx xxxx xxxx */
DECODE_EMULATEX (0xff400000, 0xe9400000, PROBES_T32_LDRDSTRD,
REGS(NOPCWB, NOSPPC, NOSPPC, 0, 0)),
/* TBB 1110 1000 1101 xxxx xxxx xxxx 0000 xxxx */
/* TBH 1110 1000 1101 xxxx xxxx xxxx 0001 xxxx */
DECODE_SIMULATEX(0xfff000e0, 0xe8d00000, PROBES_T32_TABLE_BRANCH,
REGS(NOSP, 0, 0, 0, NOSPPC)),
/* STREX 1110 1000 0100 xxxx xxxx xxxx xxxx xxxx */
/* LDREX 1110 1000 0101 xxxx xxxx xxxx xxxx xxxx */
/* STREXB 1110 1000 1100 xxxx xxxx xxxx 0100 xxxx */
/* STREXH 1110 1000 1100 xxxx xxxx xxxx 0101 xxxx */
/* STREXD 1110 1000 1100 xxxx xxxx xxxx 0111 xxxx */
/* LDREXB 1110 1000 1101 xxxx xxxx xxxx 0100 xxxx */
/* LDREXH 1110 1000 1101 xxxx xxxx xxxx 0101 xxxx */
/* LDREXD 1110 1000 1101 xxxx xxxx xxxx 0111 xxxx */
/* And unallocated instructions... */
REGS scCR::Rn()
{
return REGS(0);
}
REGS scCR::Rd()
{
return REGS(0);
}
/* LDC2 1111 110x xxx1 xxxx xxxx xxxx xxxx xxxx */
/* STC2 1111 110x xxx0 xxxx xxxx xxxx xxxx xxxx */
/* CDP2 1111 1110 xxxx xxxx xxxx xxxx xxx0 xxxx */
/* MCR2 1111 1110 xxx0 xxxx xxxx xxxx xxx1 xxxx */
/* MRC2 1111 1110 xxx1 xxxx xxxx xxxx xxx1 xxxx */
/* Other unallocated instructions... */
DECODE_END
};
static const union decode_item arm_cccc_0001_0xx0____0xxx_table[] = {
/* Miscellaneous instructions */
/* MRS cpsr cccc 0001 0000 xxxx xxxx xxxx 0000 xxxx */
DECODE_SIMULATEX(0x0ff000f0, 0x01000000, PROBES_MRS,
REGS(0, NOPC, 0, 0, 0)),
/* BX cccc 0001 0010 xxxx xxxx xxxx 0001 xxxx */
DECODE_SIMULATE (0x0ff000f0, 0x01200010, PROBES_BRANCH_REG),
/* BLX (register) cccc 0001 0010 xxxx xxxx xxxx 0011 xxxx */
DECODE_SIMULATEX(0x0ff000f0, 0x01200030, PROBES_BRANCH_REG,
REGS(0, 0, 0, 0, NOPC)),
/* CLZ cccc 0001 0110 xxxx xxxx xxxx 0001 xxxx */
DECODE_EMULATEX (0x0ff000f0, 0x01600010, PROBES_CLZ,
REGS(0, NOPC, 0, 0, NOPC)),
/* QADD cccc 0001 0000 xxxx xxxx xxxx 0101 xxxx */
/* QSUB cccc 0001 0010 xxxx xxxx xxxx 0101 xxxx */
/* QDADD cccc 0001 0100 xxxx xxxx xxxx 0101 xxxx */