Add USB keyboard implementation, albeit untested

Cacodemon345 · Dec 11, 2024 · 75d947d · 75d947d
1 parent d5e1a85
commit 75d947d
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Showing 5 changed files with 968 additions and 6 deletions.
diff --git a/src/usb/CMakeLists.txt b/src/usb/CMakeLists.txt
@@ -1 +1 @@
-add_library(usb usb_hid.c usb_uhci_bochs.c usb_ohci_bochs.c usb_common.c)
+add_library(usb usb_hid.c usb_hid_keyboard.c usb_uhci_bochs.c usb_ohci_bochs.c usb_common.c)
diff --git a/src/usb/usb_common.h b/src/usb/usb_common.h
@@ -295,5 +295,7 @@ bool usb_device_get_halted(usb_device_c* device, int ep);
 int usb_set_usb_string(uint8_t *buf, const char *str);
 /* Get maximum packet size the device can handle for an endpoint. */
 int usb_device_get_mps(usb_device_c* device, const int ep);
+/* Events to send to the host controller. */
+extern int usb_device_hc_event(usb_device_c* host, int event, usb_device_c *device);
 
 #endif
diff --git a/src/usb/usb_hid.c b/src/usb/usb_hid.c
@@ -1,3 +1,7 @@
+/*  TODO: Investigate properly what the SGI 320 firmware expects after receiving a NAK.
+    Maybe wakeup interrupts? In that case it'd require changing polling to be emulator-driven.
+*/
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdint.h>
Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		add_library(usb usb_hid.c usb_uhci_bochs.c usb_ohci_bochs.c usb_common.c)
		add_library(usb usb_hid.c usb_hid_keyboard.c usb_uhci_bochs.c usb_ohci_bochs.c usb_common.c)