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Maybe make A314 emulation able to access the bus

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Yes, it is untested.
This commit is contained in:
beeanyew
2021-05-18 14:45:21 +02:00
parent 6d25aad16b
commit 0884bf6959
1 changed files with 16 additions and 4 deletions
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20
a314/a314.cc
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@@ -109,6 +109,8 @@ static int server_socket = -1;
static int epfd = -1;
static int irq_fds[2];
extern "C" unsigned int ps_read_8(unsigned int address);
extern "C" void ps_write_8(unsigned int address, unsigned int value);
extern "C" void ps_write_16(unsigned int address, unsigned int value);
unsigned int a314_base;
@@ -413,6 +415,8 @@ static void handle_msg_deregister_req(ClientConnection *cc)
create_and_send_msg(cc, MSG_DEREGISTER_RES, 0, &result, 1);
}
uint8_t manual_read_buf[64 * SIZE_KILO];
static void handle_msg_read_mem_req(ClientConnection *cc)
{
uint32_t address = *(uint32_t *)&(cc->payload[0]);
@@ -422,9 +426,14 @@ static void handle_msg_read_mem_req(ClientConnection *cc)
int32_t index = get_mapped_item_by_address(cfg, address);
uint8_t *map = &cfg->map_data[index][address - cfg->map_offset[index]];
create_and_send_msg(cc, MSG_READ_MEM_RES, 0, map, length);
} else {
// No idea if this actually works.
for (int i = 0; i < length; i++) {
manual_read_buf[i] = (unsigned char)ps_read_8(address + i);
}
create_and_send_msg(cc, MSG_READ_MEM_RES, 0, manual_read_buf, length);
}
else // FIXME
printf("help.\n");
}
static void handle_msg_write_mem_req(ClientConnection *cc)
@@ -437,9 +446,12 @@ static void handle_msg_write_mem_req(ClientConnection *cc)
int32_t index = get_mapped_item_by_address(cfg, address);
uint8_t *map = &cfg->map_data[index][address - cfg->map_offset[index]];
memcpy(map, &(cc->payload[4]), length);
} else {
// No idea if this actually works.
for (int i = 0; i < length; i++) {
ps_write_8(address + i, cc->payload[4 + i]);
}
}
else // FIXME
printf("help 2.\n");
create_and_send_msg(cc, MSG_WRITE_MEM_RES, 0, nullptr, 0);
}