3 #include "debug_module.h"
6 #include "debug_rom/debug_rom.h"
8 bool debug_module_t::load(reg_t addr
, size_t len
, uint8_t* bytes
)
10 addr
= DEBUG_START
+ addr
;
12 if (addr
>= DEBUG_RAM_START
&& addr
+ len
<= DEBUG_RAM_END
) {
13 memcpy(bytes
, debug_ram
+ addr
- DEBUG_RAM_START
, len
);
17 if (addr
>= DEBUG_ROM_START
&& addr
+ len
<= DEBUG_ROM_END
) {
18 memcpy(bytes
, debug_rom_raw
+ addr
- DEBUG_ROM_START
, len
);
22 fprintf(stderr
, "ERROR: invalid load from debug module: %ld bytes at 0x%lx\n",
27 bool debug_module_t::store(reg_t addr
, size_t len
, const uint8_t* bytes
)
29 addr
= DEBUG_START
+ addr
;
32 fprintf(stderr
, "ERROR: unaligned store to debug module: %ld bytes at 0x%lx\n",
37 if (addr
>= DEBUG_RAM_START
&& addr
+ len
<= DEBUG_RAM_END
) {
38 memcpy(debug_ram
+ addr
- DEBUG_RAM_START
, bytes
, len
);
40 } else if (len
== 4 && addr
== DEBUG_CLEARDEBINT
) {
41 clear_interrupt(bytes
[0] | (bytes
[1] << 8) |
42 (bytes
[2] << 16) | (bytes
[3] << 24));
44 } else if (len
== 4 && addr
== DEBUG_SETHALTNOT
) {
45 set_halt_notification(bytes
[0] | (bytes
[1] << 8) |
46 (bytes
[2] << 16) | (bytes
[3] << 24));
50 fprintf(stderr
, "ERROR: invalid store to debug module: %ld bytes at 0x%lx\n",
55 void debug_module_t::ram_write32(unsigned int index
, uint32_t value
)
57 char* base
= debug_ram
+ index
* 4;
58 base
[0] = value
& 0xff;
59 base
[1] = (value
>> 8) & 0xff;
60 base
[2] = (value
>> 16) & 0xff;
61 base
[3] = (value
>> 24) & 0xff;
64 uint32_t debug_module_t::ram_read32(unsigned int index
)
66 // It'd be better for raw_page (and all memory) to be unsigned chars, but mem
67 // in sim_t is just chars, so I'm following that convention.
68 unsigned char* base
= (unsigned char*) (debug_ram
+ index
* 4);
69 uint32_t value
= ((uint32_t) base
[0]) |
70 (((uint32_t) base
[1]) << 8) |
71 (((uint32_t) base
[2]) << 16) |
72 (((uint32_t) base
[3]) << 24);