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Line 17... |
#include <netinet/tcp.h>
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#include <netinet/tcp.h>
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#include <inttypes.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <errno.h>
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#include "gdb.h" /* partially copied from gdb/config/or1k */
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#include "gdb.h" /* partially copied from gdb/config/or1k */
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#include "jp.h" /* just for debug() */
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#include "jp2.h"
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#include "jp2.h"
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/* connection to jp2 routines */
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/* connection to jp2 routines */
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int gdb_chain = -1;
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int gdb_chain = -1;
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int gdb_read_reg(unsigned long adr, unsigned long *data) {
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int gdb_read_reg(unsigned long adr, unsigned long *data) {
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printf("rr %d\n", gdb_chain);
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debug("rr %d\n", gdb_chain);
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switch (gdb_chain) {
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switch (gdb_chain) {
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case SC_RISC_DEBUG: return dbg_cpu0_read(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_RISC_DEBUG: return dbg_cpu0_read(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_REGISTER: return dbg_cpu0_read_ctrl(adr, (unsigned char*)data) ? ERR_CRC : ERR_NONE;
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case SC_REGISTER: return dbg_cpu0_read_ctrl(adr, (unsigned char*)data) ? ERR_CRC : ERR_NONE;
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case SC_WISHBONE: return dbg_wb_read32(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_WISHBONE: return dbg_wb_read32(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_TRACE: *data = 0; return 0;
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case SC_TRACE: *data = 0; return 0;
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default: return JTAG_PROXY_INVALID_CHAIN;
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default: return JTAG_PROXY_INVALID_CHAIN;
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}
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}
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}
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}
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int gdb_write_reg(unsigned long adr, unsigned long data) {
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int gdb_write_reg(unsigned long adr, unsigned long data) {
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printf("wr %d\n", gdb_chain);
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debug("wr %d\n", gdb_chain);
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switch (gdb_chain) { /* remap registers, to be compatible with jp1 */
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switch (gdb_chain) { /* remap registers, to be compatible with jp1 */
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case SC_RISC_DEBUG: if (adr == JTAG_RISCOP) adr = 0x00;
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case SC_RISC_DEBUG: if (adr == JTAG_RISCOP) adr = 0x00;
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return dbg_cpu0_write(adr, data) ? ERR_CRC : ERR_NONE;
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return dbg_cpu0_write(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_REGISTER: return dbg_cpu0_write_ctrl(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_REGISTER: return dbg_cpu0_write_ctrl(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_WISHBONE: return dbg_wb_write32(adr, data) ? ERR_CRC : ERR_NONE;
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case SC_WISHBONE: return dbg_wb_write32(adr, data) ? ERR_CRC : ERR_NONE;
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Line 48... |
default: return JTAG_PROXY_INVALID_CHAIN;
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default: return JTAG_PROXY_INVALID_CHAIN;
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}
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}
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}
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}
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int gdb_read_block(unsigned long adr, unsigned long *data, int len) {
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int gdb_read_block(unsigned long adr, unsigned long *data, int len) {
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printf("rb %d\n", gdb_chain);
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debug("rb %d\n", gdb_chain);
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switch (gdb_chain) {
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switch (gdb_chain) {
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case SC_WISHBONE: return dbg_wb_read_block32(adr, data, len) ? ERR_CRC : ERR_NONE;
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case SC_WISHBONE: return dbg_wb_read_block32(adr, data, len) ? ERR_CRC : ERR_NONE;
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default: return JTAG_PROXY_INVALID_CHAIN;
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default: return JTAG_PROXY_INVALID_CHAIN;
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}
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}
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}
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}
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int gdb_write_block(unsigned long adr, unsigned long *data, int len) {
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int gdb_write_block(unsigned long adr, unsigned long *data, int len) {
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printf("wb %d\n", gdb_chain);
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debug("wb %d\n", gdb_chain);
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switch (gdb_chain) {
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switch (gdb_chain) {
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case SC_WISHBONE: return dbg_wb_write_block32(adr, data, len) ? ERR_CRC : ERR_NONE;
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case SC_WISHBONE: return dbg_wb_write_block32(adr, data, len) ? ERR_CRC : ERR_NONE;
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default: return JTAG_PROXY_INVALID_CHAIN;
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default: return JTAG_PROXY_INVALID_CHAIN;
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}
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}
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}
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}
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int gdb_set_chain(int chain) {
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int gdb_set_chain(int chain) {
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printf("set_chain %d\n", chain);
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debug("set_chain %d\n", chain);
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switch (chain) {
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switch (chain) {
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case SC_RISC_DEBUG:
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case SC_RISC_DEBUG:
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case SC_REGISTER:
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case SC_REGISTER:
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case SC_TRACE:
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case SC_TRACE:
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case SC_WISHBONE: gdb_chain = chain;
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case SC_WISHBONE: gdb_chain = chain;
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