mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-10-16 01:37:45 -04:00
d95624c5d6
* move CBMC proofs to FreeRTOS+ directory * Failing proofs corrected * ParseDNSReply proof added back * removed queue_init.h from -Plus/Test Co-authored-by: Yuhui Zheng <10982575+yuhui-zheng@users.noreply.github.com>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/* Standard includes. */
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
|
|
/* FreeRTOS includes. */
|
|
#include "FreeRTOS.h"
|
|
#include "task.h"
|
|
#include "queue.h"
|
|
#include "semphr.h"
|
|
|
|
/* FreeRTOS+TCP includes. */
|
|
#include "FreeRTOS_IP.h"
|
|
#include "FreeRTOS_Sockets.h"
|
|
#include "FreeRTOS_IP_Private.h"
|
|
#include "FreeRTOS_UDP_IP.h"
|
|
#include "FreeRTOS_TCP_IP.h"
|
|
#include "FreeRTOS_DHCP.h"
|
|
#include "NetworkInterface.h"
|
|
#include "NetworkBufferManagement.h"
|
|
#include "FreeRTOS_ARP.h"
|
|
#include "FreeRTOS_TCP_WIN.h"
|
|
|
|
// Used to model FreeRTOS_recvfrom returning an arbitrary buffer
|
|
char read_buffer[BUFFER_SIZE];
|
|
|
|
BaseType_t prvProcessDHCPReplies( BaseType_t xExpectedMessageType );
|
|
|
|
// Stub
|
|
int32_t FreeRTOS_recvfrom(
|
|
Socket_t xSocket, void *pvBuffer, size_t xBufferLength,
|
|
BaseType_t xFlags, struct freertos_sockaddr *pxSourceAddress,
|
|
socklen_t *pxSourceAddressLength )
|
|
{
|
|
__CPROVER_assert(xFlags & FREERTOS_ZERO_COPY, "I can only do ZERO_COPY");
|
|
|
|
// Choose buffer size
|
|
size_t offset;
|
|
size_t buffer_size = BUFFER_SIZE - offset;
|
|
char *buffer = read_buffer + offset;
|
|
__CPROVER_assume(offset <= BUFFER_SIZE);
|
|
|
|
// Choose buffer contents
|
|
// __CPROVER_havoc_object may not interact well with simplifier
|
|
char temporary[BUFFER_SIZE];
|
|
memcpy(read_buffer, temporary, BUFFER_SIZE);
|
|
|
|
*((char **)pvBuffer) = buffer;
|
|
return buffer_size;
|
|
}
|
|
|
|
// Stub
|
|
void FreeRTOS_ReleaseUDPPayloadBuffer( void *pvBuffer )
|
|
{
|
|
// no-op
|
|
}
|
|
|
|
void harness() {
|
|
// Omitting model of an unconstrained xDHCPData because xDHCPData is
|
|
// the source of uninitialized data only on line 647 to set a
|
|
// transaction id is an outgoing message
|
|
|
|
BaseType_t xExpectedMessageType;
|
|
prvProcessDHCPReplies(xExpectedMessageType);
|
|
}
|