week 0 - selfhw: implemented a not-working async transfer QH and qTDs

.vscode/dryrun.log

@@ -1,6 +1,4 @@
-make --dry-run --always-make --keep-going --print-directory
-make: Entering directory '/home/wistorio/fun/github/ponchoOS'
-make: Leaving directory '/home/wistorio/fun/github/ponchoOS'
-
-make: *** No targets specified and no makefile found.  Stop.
-
+make.exe --dry-run --keep-going --print-directory
+'make.exe' is not recognized as an internal or external command,
+operable program or batch file.
+

.vscode/targets.log

@@ -1,276 +1,4 @@
-make all --print-data-base --no-builtin-variables --no-builtin-rules --question
-make: *** No rule to make target 'all'.  Stop.
-
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-# Copyright (C) 1988-2020 Free Software Foundation, Inc.
-# License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
-# This is free software: you are free to change and redistribute it.
-# There is NO WARRANTY, to the extent permitted by law.
-
-# Make data base, printed on Tue Sep 20 14:40:47 2022
-
-# Variables
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-VSCODE_CWD = /home/wistorio
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-# default
-.LOADED := 
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-# makefile
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-# default
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-# automatic
-+D = $(patsubst %/,%,$(dir $+))
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-
-
+make.exe all --print-data-base --no-builtin-variables --no-builtin-rules --question
+'make.exe' is not recognized as an internal or external command,
+operable program or batch file.
+

kernel/Makefile

@@ -30,6 +30,8 @@ kernel: $(OBJS) link
 
 sure: kernel buildimg run
 
+build: kernel buildimg
+
 go: buildimg run
 
 $(OBJDIR)/sys/interrupts/interrupts.o: $(SRCDIR)/sys/interrupts/interrupts.cpp

kernel/run2.bat

@@ -11,5 +11,9 @@ qemu-system-x86_64 -machine q35 ^
 -drive if=pflash,format=raw,unit=0,file=%OVMFDIR%/OVMF_CODE-pure-efi.fd,readonly=on ^
 -drive if=pflash,format=raw,unit=1,file=%OVMFDIR%/OVMF_VARS-pure-efi.fd -net none ^
 -device usb-ehci,id=ehci                                    ^
--device usb-mouse,bus=ehci.0                            
+-device usb-mouse,bus=ehci.0          
 pause
+
+@REM -drive if=none,id=stick,format=raw,file=/path/to/file.img \
+@REM -device nec-usb-xhci,id=xhci                              \
+@REM -device usb-storage,bus=xhci.0,drive=stick                  

kernel/src/sys/devices/usb/EhciPacketDef.h

@@ -5,14 +5,19 @@
 
 namespace USB {
     #define QTD_ERR_COUNT 0b11
+    #define EMPTY_LENGTH 0
+    #define DEFAULT_MAX_PACKET_LENGTH 0x40
 
     // setup packets
     #define SETUP_PACKET_LENGTH 8
     #define SETUP_STATUS 0b10000000
-    uint64_t GET_DESCRIPTOR_DATA_BUFFER = 0x00080E80;
+    uint64_t GET_DESCRIPTOR_DATA_BUFFER = 0x0000400080060001;
+
 
 
     // PIDs
+    #define PID_OUT 0b00
+    #define PID_IN    0b01
     #define PID_SETUP 0b10
 }
 

kernel/src/sys/devices/usb/EhciStructs.h

@@ -4,6 +4,10 @@
 #include <stdint.h>
 
 namespace USB {
+    // general help defs
+    #define UPPER_64_MASK 0xFFFFFFFF00000000
+    #define LEAST_5_BIT_MASK (0b11111)
+
     // Ehci --------
     struct EhciStructuralParams {
         uint8_t NumPorts:4;
@@ -159,6 +163,21 @@ namespace USB {
     #define QTD_TOKEN_STATUS_SPLIT_TRANSACTION_STATUS (1 << 1)
     #define QTD_TOKEN_STATUS_PING (1 << 0)
 
+    #define QH_TYP_ITD  0b00 // isochronous transfer descriptor
+    #define QH_TYP_QH   0b01 // queue head
+    #define QH_TYP_SITD 0b10 // split transaction isochronous transfer descriptor
+    #define QH_TYP_FSTN 0b11 // Frame Span Traversal Node
+    #define QH_TYP_SHIFT 1
+
+    #define QH_MAX_PACKET_LENGHT_SHIFT 16
+    #define QH_HEAD_RECLAMATION_FLAG (1 << 15)
+    #define QH_DATA_TOGGLE_CONTROL (1 << 14)
+    #define QH_EPS_FULL_SPEED (0b00 << 12)
+    #define QH_EPS_LOW_SPEED  (0b01 << 12)
+    #define QH_EPS_HIGH_SPEED (0b10 << 12)
+    #define QH_ENDPOINT_NUMBER_SHIFT 8
+    #define QH_INACTIVE_ON_NEXT_TRANS (1 << 7)
+
     // mindshare whitepaper p.16
     struct EhciCapbilites {
         uint8_t length;