auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 231 deletions

diff --git a/hw/usb.c b/hw/usb.c
deleted file mode 100644
index c17266d..0000000
--- a/hw/usb.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * QEMU USB emulation
- *
- * Copyright (c) 2005 Fabrice Bellard
- *
- * 2008 Generic packet handler rewrite by Max Krasnyansky
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu-common.h"
-#include "usb.h"
-
-void usb_attach(USBPort *port, USBDevice *dev)
-{
-    port->attach(port, dev);
-}
-
-/**********************/
-
-/* generic USB device helpers (you are not forced to use them when
-   writing your USB device driver, but they help handling the
-   protocol)
-*/
-
-#define SETUP_STATE_IDLE 0
-#define SETUP_STATE_DATA 1
-#define SETUP_STATE_ACK  2
-
-static int do_token_setup(USBDevice *s, USBPacket *p)
-{
-    int request, value, index;
-    int ret = 0;
-
-    if (p->len != 8)
-        return USB_RET_STALL;
- 
-    memcpy(s->setup_buf, p->data, 8);
-    s->setup_len   = (s->setup_buf[7] << 8) | s->setup_buf[6];
-    s->setup_index = 0;
-
-    request = (s->setup_buf[0] << 8) | s->setup_buf[1];
-    value   = (s->setup_buf[3] << 8) | s->setup_buf[2];
-    index   = (s->setup_buf[5] << 8) | s->setup_buf[4];
- 
-    if (s->setup_buf[0] & USB_DIR_IN) {
-        ret = s->handle_control(s, request, value, index, 
-                                s->setup_len, s->data_buf);
-        if (ret < 0)
-            return ret;
-
-        if (ret < s->setup_len)
-            s->setup_len = ret;
-        s->setup_state = SETUP_STATE_DATA;
-    } else {
-        if (s->setup_len == 0)
-            s->setup_state = SETUP_STATE_ACK;
-        else
-            s->setup_state = SETUP_STATE_DATA;
-    }
-
-    return ret;
-}
-
-static int do_token_in(USBDevice *s, USBPacket *p)
-{
-    int request, value, index;
-    int ret = 0;
-
-    if (p->devep != 0)
-        return s->handle_data(s, p);
-
-    request = (s->setup_buf[0] << 8) | s->setup_buf[1];
-    value   = (s->setup_buf[3] << 8) | s->setup_buf[2];
-    index   = (s->setup_buf[5] << 8) | s->setup_buf[4];
- 
-    switch(s->setup_state) {
-    case SETUP_STATE_ACK:
-        if (!(s->setup_buf[0] & USB_DIR_IN)) {
-            s->setup_state = SETUP_STATE_IDLE;
-            ret = s->handle_control(s, request, value, index,
-                                    s->setup_len, s->data_buf);
-            if (ret > 0)
-                return 0;
-            return ret;
-        }
-
-        /* return 0 byte */
-        return 0;
-
-    case SETUP_STATE_DATA:
-        if (s->setup_buf[0] & USB_DIR_IN) {
-            int len = s->setup_len - s->setup_index;
-            if (len > p->len)
-                len = p->len;
-            memcpy(p->data, s->data_buf + s->setup_index, len);
-            s->setup_index += len;
-            if (s->setup_index >= s->setup_len)
-                s->setup_state = SETUP_STATE_ACK;
-            return len;
-        }
-
-        s->setup_state = SETUP_STATE_IDLE;
-        return USB_RET_STALL;
-
-    default:
-        return USB_RET_STALL;
-    }
-}
-
-static int do_token_out(USBDevice *s, USBPacket *p)
-{
-    if (p->devep != 0)
-        return s->handle_data(s, p);
-
-    switch(s->setup_state) {
-    case SETUP_STATE_ACK:
-        if (s->setup_buf[0] & USB_DIR_IN) {
-            s->setup_state = SETUP_STATE_IDLE;
-            /* transfer OK */
-        } else {
-            /* ignore additional output */
-        }
-        return 0;
-
-    case SETUP_STATE_DATA:
-        if (!(s->setup_buf[0] & USB_DIR_IN)) {
-            int len = s->setup_len - s->setup_index;
-            if (len > p->len)
-                len = p->len;
-            memcpy(s->data_buf + s->setup_index, p->data, len);
-            s->setup_index += len;
-            if (s->setup_index >= s->setup_len)
-                s->setup_state = SETUP_STATE_ACK;
-            return len;
-        }
-
-        s->setup_state = SETUP_STATE_IDLE;
-        return USB_RET_STALL;
-
-    default:
-        return USB_RET_STALL;
-    }
-}
-
-/*
- * Generic packet handler.
- * Called by the HC (host controller).
- *
- * Returns length of the transaction or one of the USB_RET_XXX codes.
- */
-int usb_generic_handle_packet(USBDevice *s, USBPacket *p)
-{
-    switch(p->pid) {
-    case USB_MSG_ATTACH:
-        s->state = USB_STATE_ATTACHED;
-        return 0;
-
-    case USB_MSG_DETACH:
-        s->state = USB_STATE_NOTATTACHED;
-        return 0;
-
-    case USB_MSG_RESET:
-        s->remote_wakeup = 0;
-        s->addr = 0;
-        s->state = USB_STATE_DEFAULT;
-        s->handle_reset(s);
-        return 0;
-    }
-
-    /* Rest of the PIDs must match our address */
-    if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr)
-        return USB_RET_NODEV;
-
-    switch (p->pid) {
-    case USB_TOKEN_SETUP:
-        return do_token_setup(s, p);
-
-    case USB_TOKEN_IN:
-        return do_token_in(s, p);
-
-    case USB_TOKEN_OUT:
-        return do_token_out(s, p);
- 
-    default:
-        return USB_RET_STALL;
-    }
-}
-
-/* XXX: fix overflow */
-int set_usb_string(uint8_t *buf, const char *str)
-{
-    int len, i;
-    uint8_t *q;
-
-    q = buf;
-    len = strlen(str);
-    *q++ = 2 * len + 2;
-    *q++ = 3;
-    for(i = 0; i < len; i++) {
-        *q++ = str[i];
-        *q++ = 0;
-    }
-    return q - buf;
-}
-
-/* Send an internal message to a USB device.  */
-void usb_send_msg(USBDevice *dev, int msg)
-{
-    USBPacket p;
-    memset(&p, 0, sizeof(p));
-    p.pid = msg;
-    dev->handle_packet(dev, &p);
-
-    /* This _must_ be synchronous */
-}