#include "debug_rom/debug_rom.h"
-debug_module_t::debug_module_t()
-{
- /* Copy Debug ROM into the page. */
- memcpy(raw_page + DEBUG_ROM_START - DEBUG_START,
- debug_rom_raw, debug_rom_raw_len);
-}
-
bool debug_module_t::load(reg_t addr, size_t len, uint8_t* bytes)
{
addr = DEBUG_START + addr;
if (addr >= DEBUG_RAM_START && addr + len <= DEBUG_RAM_END) {
- memcpy(bytes, raw_page + addr - DEBUG_START, len);
+ memcpy(bytes, debug_ram + addr - DEBUG_RAM_START, len);
+ return true;
+ }
+
+ if (addr >= DEBUG_ROM_START && addr + len <= DEBUG_ROM_END) {
+ memcpy(bytes, debug_rom_raw + addr - DEBUG_ROM_START, len);
return true;
}
}
if (addr >= DEBUG_RAM_START && addr + len <= DEBUG_RAM_END) {
- memcpy(raw_page + addr - DEBUG_START, bytes, len);
+ memcpy(debug_ram + addr - DEBUG_RAM_START, bytes, len);
return true;
} else if (len == 4 && addr == DEBUG_CLEARDEBINT) {
clear_interrupt(bytes[0] | (bytes[1] << 8) |
void debug_module_t::ram_write32(unsigned int index, uint32_t value)
{
- char* base = raw_page + DEBUG_RAM_START - DEBUG_START + index * 4;
+ char* base = debug_ram + index * 4;
base[0] = value & 0xff;
base[1] = (value >> 8) & 0xff;
base[2] = (value >> 16) & 0xff;
{
// It'd be better for raw_page (and all memory) to be unsigned chars, but mem
// in sim_t is just chars, so I'm following that convention.
- unsigned char* base = (unsigned char*)
- (raw_page + DEBUG_RAM_START - DEBUG_START + index * 4);
+ unsigned char* base = (unsigned char*) (debug_ram + index * 4);
uint32_t value = ((uint32_t) base[0]) |
(((uint32_t) base[1]) << 8) |
(((uint32_t) base[2]) << 16) |
(((uint32_t) base[3]) << 24);
return value;
}
-
-char* debug_module_t::page(reg_t paddr)
-{
- fprintf(stderr, "dm::page(0x%lx)\n", paddr);
-
- assert(PGSHIFT == 12);
-
- if (paddr == (DEBUG_START & PGMASK)) {
- return raw_page;
- }
-
- fprintf(stderr, "ERROR: invalid page to debug module at 0x%lx\n", paddr);
- return NULL;
-}