setos

commit 66184e97d9c3649e57c666c23e34cbafa9068194
parent b1d20f135d39e92d85d230b821eccbb712f816f5
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Mon,  6 May 2024 15:30:58 +0900

read PORTSC

Diffstat:
M
sys/include/xhc.h
 | 
8
+++++++-
M
sys/src/kernel/main.c
 | 
10
+++++++++-

2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/sys/include/xhc.h b/sys/include/xhc.h
@@ -40,7 +40,13 @@ struct xhc_operational_registers {
 	uint8  RsvdZ1[16];
 	uint64 DCBAAP;
 	uint32 CONFIG;
-	// TODO: port register set
+	uint8  RsvdZ2[0x400-0x3c];
+	struct PRS {
+		uint32 PORTSC;
+		uint32 PORTPMSC;
+		uint32 PORTLI;
+		uint32 PORTHLPMC;
+	} PRS[];
 };
 
 struct xhc_runtime_registers {
diff --git a/sys/src/kernel/main.c b/sys/src/kernel/main.c
@@ -28,7 +28,7 @@ kernel_main(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
 	root_window.children = root_children;
 
 	Window win0;
-	make_window(&root_window, &win0, (Point){150, 100}, (Point){400, 500}, 0xff, 0xb9d08bff);
+	make_window(&root_window, &win0, (Point){150, 100}, (Point){400, 700}, 0xff, 0xb9d08bff);
 	Console con0 = {
 		.win = &win0,
 		.font = &asciifont,
@@ -207,6 +207,14 @@ kernel_main(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
 	xhc.runtime->IR[0].ERDP = (uint64) ERDP|(xhc.runtime->IR[0].ERDP&0xf);
 	cons_printf(&con0, "processed event ring\n");
 
+	// reset port.
+	for (;(xhc.op->PRS[0].PORTSC&(1<<17|1)) != (1<<17|1);) { // PORTSC.CSC&PORTSC.CCS
+	}
+	cons_printf(&con0, "usb device connected: PORTSC: %x\n",
+		xhc.op->PRS[0].PORTSC);
+	cons_printf(&con0, "offset of prs[0]: %x\n",
+		(uintptr) xhc.op->PRS - (uintptr) xhc.op);
+
 halt:
 	for(;;) { __asm__("hlt"); }
 }