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@@ -18,14 +18,7 @@
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#include <linux/usb/gadget.h>
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#include <linux/usb/gadget.h>
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#include <linux/usb/composite.h>
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#include <linux/usb/composite.h>
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#include <linux/compiler.h>
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#include <linux/compiler.h>
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-#include <version.h>
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#include <g_dnl.h>
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#include <g_dnl.h>
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-#ifdef CONFIG_FASTBOOT_FLASH_MMC
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-#include <fb_mmc.h>
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-#endif
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-#ifdef CONFIG_FASTBOOT_FLASH_NAND
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-#include <fb_nand.h>
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-#endif
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#define FASTBOOT_INTERFACE_CLASS 0xff
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#define FASTBOOT_INTERFACE_CLASS 0xff
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#define FASTBOOT_INTERFACE_SUB_CLASS 0x42
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#define FASTBOOT_INTERFACE_SUB_CLASS 0x42
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@@ -56,8 +49,6 @@ static inline struct f_fastboot *func_to_fastboot(struct usb_function *f)
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}
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}
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static struct f_fastboot *fastboot_func;
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static struct f_fastboot *fastboot_func;
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-static unsigned int download_size;
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-static unsigned int download_bytes;
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static struct usb_endpoint_descriptor fs_ep_in = {
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static struct usb_endpoint_descriptor fs_ep_in = {
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.bLength = USB_DT_ENDPOINT_SIZE,
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.bLength = USB_DT_ENDPOINT_SIZE,
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@@ -145,7 +136,6 @@ static struct usb_gadget_strings *fastboot_strings[] = {
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};
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};
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static void rx_handler_command(struct usb_ep *ep, struct usb_request *req);
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static void rx_handler_command(struct usb_ep *ep, struct usb_request *req);
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-static int strcmp_l1(const char *s1, const char *s2);
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static void fastboot_complete(struct usb_ep *ep, struct usb_request *req)
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static void fastboot_complete(struct usb_ep *ep, struct usb_request *req)
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{
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{
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@@ -355,85 +345,9 @@ static void compl_do_reset(struct usb_ep *ep, struct usb_request *req)
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do_reset(NULL, 0, 0, NULL);
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do_reset(NULL, 0, 0, NULL);
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}
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}
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-static void cb_reboot(struct usb_ep *ep, struct usb_request *req)
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-{
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- char *cmd = req->buf;
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- if (!strcmp_l1("reboot-bootloader", cmd)) {
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- if (fastboot_set_reboot_flag()) {
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- fastboot_tx_write_str("FAILCannot set reboot flag");
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- return;
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- }
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- }
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- fastboot_func->in_req->complete = compl_do_reset;
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- fastboot_tx_write_str("OKAY");
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-}
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-
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-static int strcmp_l1(const char *s1, const char *s2)
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-{
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- if (!s1 || !s2)
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- return -1;
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- return strncmp(s1, s2, strlen(s1));
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-}
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-
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-static void cb_getvar(struct usb_ep *ep, struct usb_request *req)
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-{
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- char *cmd = req->buf;
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- char response[FASTBOOT_RESPONSE_LEN];
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- const char *s;
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- size_t chars_left;
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-
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- strcpy(response, "OKAY");
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- chars_left = sizeof(response) - strlen(response) - 1;
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-
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- strsep(&cmd, ":");
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- if (!cmd) {
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- pr_err("missing variable");
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- fastboot_tx_write_str("FAILmissing var");
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- return;
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- }
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-
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- if (!strcmp_l1("version", cmd)) {
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- strncat(response, FASTBOOT_VERSION, chars_left);
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- } else if (!strcmp_l1("bootloader-version", cmd)) {
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- strncat(response, U_BOOT_VERSION, chars_left);
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- } else if (!strcmp_l1("downloadsize", cmd) ||
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- !strcmp_l1("max-download-size", cmd)) {
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- char str_num[12];
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-
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- sprintf(str_num, "0x%08x", CONFIG_FASTBOOT_BUF_SIZE);
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- strncat(response, str_num, chars_left);
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- } else if (!strcmp_l1("serialno", cmd)) {
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- s = env_get("serial#");
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- if (s)
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- strncat(response, s, chars_left);
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- else
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- strcpy(response, "FAILValue not set");
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- } else {
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- char *envstr;
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-
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- envstr = malloc(strlen("fastboot.") + strlen(cmd) + 1);
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- if (!envstr) {
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- fastboot_tx_write_str("FAILmalloc error");
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- return;
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- }
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-
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- sprintf(envstr, "fastboot.%s", cmd);
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- s = env_get(envstr);
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- if (s) {
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- strncat(response, s, chars_left);
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- } else {
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- printf("WARNING: unknown variable: %s\n", cmd);
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- strcpy(response, "FAILVariable not implemented");
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- }
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-
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- free(envstr);
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- }
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- fastboot_tx_write_str(response);
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-}
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-
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static unsigned int rx_bytes_expected(struct usb_ep *ep)
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static unsigned int rx_bytes_expected(struct usb_ep *ep)
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{
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{
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- int rx_remain = download_size - download_bytes;
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+ int rx_remain = fastboot_data_remaining();
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unsigned int rem;
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unsigned int rem;
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unsigned int maxpacket = ep->maxpacket;
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unsigned int maxpacket = ep->maxpacket;
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@@ -455,14 +369,12 @@ static unsigned int rx_bytes_expected(struct usb_ep *ep)
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return rx_remain;
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return rx_remain;
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}
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}
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-#define BYTES_PER_DOT 0x20000
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static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req)
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static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req)
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{
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{
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- char response[FASTBOOT_RESPONSE_LEN];
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- unsigned int transfer_size = download_size - download_bytes;
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+ char response[FASTBOOT_RESPONSE_LEN] = {0};
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+ unsigned int transfer_size = fastboot_data_remaining();
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const unsigned char *buffer = req->buf;
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const unsigned char *buffer = req->buf;
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unsigned int buffer_size = req->actual;
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unsigned int buffer_size = req->actual;
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- unsigned int pre_dot_num, now_dot_num;
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if (req->status != 0) {
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if (req->status != 0) {
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printf("Bad status: %d\n", req->status);
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printf("Bad status: %d\n", req->status);
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@@ -472,33 +384,19 @@ static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req)
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if (buffer_size < transfer_size)
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if (buffer_size < transfer_size)
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transfer_size = buffer_size;
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transfer_size = buffer_size;
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- memcpy((void *)CONFIG_FASTBOOT_BUF_ADDR + download_bytes,
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- buffer, transfer_size);
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-
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- pre_dot_num = download_bytes / BYTES_PER_DOT;
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- download_bytes += transfer_size;
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- now_dot_num = download_bytes / BYTES_PER_DOT;
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-
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- if (pre_dot_num != now_dot_num) {
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- putc('.');
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- if (!(now_dot_num % 74))
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- putc('\n');
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- }
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+ fastboot_data_download(buffer, transfer_size, response);
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+ if (response[0]) {
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+ fastboot_tx_write_str(response);
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+ } else if (!fastboot_data_remaining()) {
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+ fastboot_data_complete(response);
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- /* Check if transfer is done */
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- if (download_bytes >= download_size) {
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/*
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/*
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- * Reset global transfer variable, keep download_bytes because
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- * it will be used in the next possible flashing command
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+ * Reset global transfer variable
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*/
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*/
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- download_size = 0;
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req->complete = rx_handler_command;
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req->complete = rx_handler_command;
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req->length = EP_BUFFER_SIZE;
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req->length = EP_BUFFER_SIZE;
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- strcpy(response, "OKAY");
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fastboot_tx_write_str(response);
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fastboot_tx_write_str(response);
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-
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- printf("\ndownloading of %d bytes finished\n", download_bytes);
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} else {
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} else {
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req->length = rx_bytes_expected(ep);
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req->length = rx_bytes_expected(ep);
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}
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}
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@@ -507,197 +405,55 @@ static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req)
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usb_ep_queue(ep, req, 0);
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usb_ep_queue(ep, req, 0);
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}
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}
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-static void cb_download(struct usb_ep *ep, struct usb_request *req)
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-{
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- char *cmd = req->buf;
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- char response[FASTBOOT_RESPONSE_LEN];
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-
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- strsep(&cmd, ":");
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- download_size = simple_strtoul(cmd, NULL, 16);
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- download_bytes = 0;
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-
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- printf("Starting download of %d bytes\n", download_size);
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-
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- if (0 == download_size) {
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- strcpy(response, "FAILdata invalid size");
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- } else if (download_size > CONFIG_FASTBOOT_BUF_SIZE) {
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- download_size = 0;
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- strcpy(response, "FAILdata too large");
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- } else {
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- sprintf(response, "DATA%08x", download_size);
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- req->complete = rx_handler_dl_image;
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- req->length = rx_bytes_expected(ep);
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- }
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- fastboot_tx_write_str(response);
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-}
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-
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-static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req)
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-{
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- char boot_addr_start[12];
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- char *bootm_args[] = { "bootm", boot_addr_start, NULL };
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-
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- puts("Booting kernel..\n");
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-
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- sprintf(boot_addr_start, "0x%lx", (long)CONFIG_FASTBOOT_BUF_ADDR);
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- do_bootm(NULL, 0, 2, bootm_args);
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-
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- /* This only happens if image is somehow faulty so we start over */
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- do_reset(NULL, 0, 0, NULL);
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-}
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-
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-static void cb_boot(struct usb_ep *ep, struct usb_request *req)
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-{
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- fastboot_func->in_req->complete = do_bootm_on_complete;
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- fastboot_tx_write_str("OKAY");
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-}
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-
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static void do_exit_on_complete(struct usb_ep *ep, struct usb_request *req)
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static void do_exit_on_complete(struct usb_ep *ep, struct usb_request *req)
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{
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{
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g_dnl_trigger_detach();
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g_dnl_trigger_detach();
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}
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}
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-static void cb_continue(struct usb_ep *ep, struct usb_request *req)
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+static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req)
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{
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{
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- fastboot_func->in_req->complete = do_exit_on_complete;
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- fastboot_tx_write_str("OKAY");
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+ fastboot_boot();
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+ do_exit_on_complete(ep, req);
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}
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}
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-#ifdef CONFIG_FASTBOOT_FLASH
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-static void cb_flash(struct usb_ep *ep, struct usb_request *req)
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+static void rx_handler_command(struct usb_ep *ep, struct usb_request *req)
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{
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{
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- char *cmd = req->buf;
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- char response[FASTBOOT_RESPONSE_LEN];
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+ char *cmdbuf = req->buf;
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+ char response[FASTBOOT_RESPONSE_LEN] = {0};
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+ int cmd = -1;
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- strsep(&cmd, ":");
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- if (!cmd) {
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- pr_err("missing partition name");
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- fastboot_tx_write_str("FAILmissing partition name");
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+ if (req->status != 0 || req->length == 0)
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return;
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return;
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- }
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-
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- fastboot_fail("no flash device defined", response);
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-#ifdef CONFIG_FASTBOOT_FLASH_MMC
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- fastboot_mmc_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR,
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- download_bytes, response);
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-#endif
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-#ifdef CONFIG_FASTBOOT_FLASH_NAND
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- fastboot_nand_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR,
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- download_bytes, response);
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-#endif
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- fastboot_tx_write_str(response);
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-}
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-#endif
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-static void cb_oem(struct usb_ep *ep, struct usb_request *req)
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-{
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- char *cmd = req->buf;
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-#ifdef CONFIG_FASTBOOT_FLASH_MMC
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- if (strncmp("format", cmd + 4, 6) == 0) {
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- char cmdbuf[32];
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- sprintf(cmdbuf, "gpt write mmc %x $partitions",
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- CONFIG_FASTBOOT_FLASH_MMC_DEV);
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- if (run_command(cmdbuf, 0))
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- fastboot_tx_write_str("FAIL");
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- else
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- fastboot_tx_write_str("OKAY");
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- } else
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-#endif
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- if (strncmp("unlock", cmd + 4, 8) == 0) {
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- fastboot_tx_write_str("FAILnot implemented");
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- }
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- else {
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- fastboot_tx_write_str("FAILunknown oem command");
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+ if (req->actual < req->length) {
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+ cmdbuf[req->actual] = '\0';
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+ cmd = fastboot_handle_command(cmdbuf, response);
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+ } else {
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+ pr_err("buffer overflow");
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+ fastboot_fail("buffer overflow", response);
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}
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}
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-}
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-#ifdef CONFIG_FASTBOOT_FLASH
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-static void cb_erase(struct usb_ep *ep, struct usb_request *req)
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-{
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- char *cmd = req->buf;
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- char response[FASTBOOT_RESPONSE_LEN];
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-
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- strsep(&cmd, ":");
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- if (!cmd) {
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- pr_err("missing partition name");
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- fastboot_tx_write_str("FAILmissing partition name");
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- return;
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+ if (!strncmp("DATA", response, 4)) {
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+ req->complete = rx_handler_dl_image;
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+ req->length = rx_bytes_expected(ep);
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}
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}
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- fastboot_fail("no flash device defined", response);
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-#ifdef CONFIG_FASTBOOT_FLASH_MMC
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- fastboot_mmc_erase(cmd, response);
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-#endif
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-#ifdef CONFIG_FASTBOOT_FLASH_NAND
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- fastboot_nand_erase(cmd, response);
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-#endif
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fastboot_tx_write_str(response);
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fastboot_tx_write_str(response);
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-}
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-#endif
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-struct cmd_dispatch_info {
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- char *cmd;
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- void (*cb)(struct usb_ep *ep, struct usb_request *req);
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-};
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-
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-static const struct cmd_dispatch_info cmd_dispatch_info[] = {
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- {
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- .cmd = "reboot",
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- .cb = cb_reboot,
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- }, {
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- .cmd = "getvar:",
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- .cb = cb_getvar,
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- }, {
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- .cmd = "download:",
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- .cb = cb_download,
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- }, {
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- .cmd = "boot",
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- .cb = cb_boot,
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- }, {
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- .cmd = "continue",
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- .cb = cb_continue,
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- },
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-#ifdef CONFIG_FASTBOOT_FLASH
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- {
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- .cmd = "flash",
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- .cb = cb_flash,
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- }, {
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- .cmd = "erase",
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- .cb = cb_erase,
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- },
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-#endif
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- {
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- .cmd = "oem",
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- .cb = cb_oem,
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- },
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-};
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-
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-static void rx_handler_command(struct usb_ep *ep, struct usb_request *req)
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-{
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- char *cmdbuf = req->buf;
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- void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL;
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- int i;
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-
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- if (req->status != 0 || req->length == 0)
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- return;
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+ if (!strncmp("OKAY", response, 4)) {
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+ switch (cmd) {
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+ case FASTBOOT_COMMAND_BOOT:
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+ fastboot_func->in_req->complete = do_bootm_on_complete;
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+ break;
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- for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) {
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- if (!strcmp_l1(cmd_dispatch_info[i].cmd, cmdbuf)) {
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- func_cb = cmd_dispatch_info[i].cb;
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+ case FASTBOOT_COMMAND_CONTINUE:
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+ fastboot_func->in_req->complete = do_exit_on_complete;
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break;
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break;
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- }
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- }
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- if (!func_cb) {
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- pr_err("unknown command: %.*s", req->actual, cmdbuf);
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- fastboot_tx_write_str("FAILunknown command");
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- } else {
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- if (req->actual < req->length) {
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- u8 *buf = (u8 *)req->buf;
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- buf[req->actual] = 0;
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- func_cb(ep, req);
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- } else {
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- pr_err("buffer overflow");
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- fastboot_tx_write_str("FAILbuffer overflow");
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+ case FASTBOOT_COMMAND_REBOOT:
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+ case FASTBOOT_COMMAND_REBOOT_BOOTLOADER:
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+ fastboot_func->in_req->complete = compl_do_reset;
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+ break;
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}
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}
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}
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}
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