forked from Hay1tsme/segatools
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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#include "hook/iobuf.h"
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#include "hook/iohook.h"
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#include "carolhook/carol-dll.h"
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#include "carolhook/controlbd.h"
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#include "hooklib/uart.h"
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#include "util/dprintf.h"
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#include "util/dump.h"
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static HRESULT controlbd_handle_irp(struct irp *irp);
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static HRESULT controlbd_handle_irp_locked(struct irp *irp);
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static HRESULT controlbd_req_noop(uint8_t cmd);
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static HRESULT controlbd_req_unk7c(uint8_t cmd);
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static HRESULT controlbd_req_unkF0(uint8_t cmd);
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static CRITICAL_SECTION controlbd_lock;
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static struct uart controlbd_uart;
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static uint8_t controlbd_written_bytes[520];
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static uint8_t controlbd_readable_bytes[520];
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HRESULT controlbd_hook_init(const struct controlbd_config *cfg)
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{
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if (!cfg->enable) {
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return S_OK;
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}
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InitializeCriticalSection(&controlbd_lock);
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uart_init(&controlbd_uart, 12);
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controlbd_uart.written.bytes = controlbd_written_bytes;
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controlbd_uart.written.nbytes = sizeof(controlbd_written_bytes);
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controlbd_uart.readable.bytes = controlbd_readable_bytes;
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controlbd_uart.readable.nbytes = sizeof(controlbd_readable_bytes);
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dprintf("Control Board: Init\n");
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return iohook_push_handler(controlbd_handle_irp);
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}
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static HRESULT controlbd_handle_irp(struct irp *irp)
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{
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HRESULT hr;
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assert(irp != NULL);
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if (!uart_match_irp(&controlbd_uart, irp)) {
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return iohook_invoke_next(irp);
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}
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EnterCriticalSection(&controlbd_lock);
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hr = controlbd_handle_irp_locked(irp);
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LeaveCriticalSection(&controlbd_lock);
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return hr;
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}
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static HRESULT controlbd_handle_irp_locked(struct irp *irp)
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{
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HRESULT hr;
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assert(carol_dll.controlbd_init != NULL);
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if (irp->op == IRP_OP_OPEN) {
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dprintf("Control Board: Starting backend DLL\n");
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hr = carol_dll.controlbd_init();
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if (FAILED(hr)) {
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dprintf("Control Board: Backend DLL error: 0X%X\n", (int) hr);
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return hr;
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}
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}
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hr = uart_handle_irp(&controlbd_uart, irp);
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if (FAILED(hr) || irp->op != IRP_OP_WRITE) {
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return hr;
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}
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for (;;) {
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#if 1
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dprintf("Control Board: TX Buffer:\n");
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dump_iobuf(&controlbd_uart.written);
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#endif
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if (FAILED(hr)) {
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dprintf("Control Board: Deframe Error: 0X%X\n", (int) hr);
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return hr;
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}
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if (FAILED(hr)) {
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dprintf("Control Board: Dispatch Error: 0X%X\n", (int) hr);
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return hr;
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}
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controlbd_uart.written.pos = 0;
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return hr;
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}
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} |