int main(int argc, char **argv) {
long long mem_size=0;
mem_size=1024*1024;
mem_size=get_mem_size_iomem();
printf("IOMEM:\n");
printf("\traw: %lld\n",mem_size);
printf("\tpretty: ");
print_mem(mem_size);
mem_size=get_mem_size_stat();
printf("KCORE:\n");
printf("\traw: %lld\n",mem_size);
printf("\tpretty: ");
print_mem(mem_size);
mem_size=get_mem_size_sysinfo();
printf("SYSINFO:\n");
printf("\traw: %lld\n",mem_size);
printf("\tpretty: ");
print_mem(mem_size);
mem_size=get_mem_size_meminfo();
printf("MEMINFO:\n");
printf("\traw: %lld\n",mem_size);
printf("\tpretty: ");
print_mem(mem_size);
mem_size=get_mem_size();
printf("DEFAULT:\n");
printf("\traw: %lld\n",mem_size);
printf("\tpretty: ");
print_mem(mem_size);
return 0;
}
void
mv64x60_board_init(void __iomem *old_base, void __iomem *new_base)
{
mv64x60_console_baud = CPCI690_MPSC_BAUD;
mv64x60_mpsc_clk_src = CPCI690_MPSC_CLK_SRC;
mv64x60_mpsc_clk_freq =
(get_mem_size() >= (1*GB)) ? 100000000 : 133333333;
}
inline message_queue::message_queue(open_or_create_t open_or_create,
const char *name,
std::size_t max_num_msg,
std::size_t max_msg_size)
//Create shared memory and execute functor atomically
: m_shmem(open_or_create,
name,
get_mem_size(max_msg_size, max_num_msg),
read_write,
static_cast<void*>(0),
//Prepare initialization functor
detail::initialization_func_t (max_num_msg, max_msg_size))
{}
inline message_queue::message_queue(create_only_t create_only,
const char *name,
std::size_t max_num_msg,
std::size_t max_msg_size)
//Create shared memory and execute functor atomically
: m_shmem(create_only,
name,
get_mem_size(max_msg_size, max_num_msg),
read_write,
(void*)0,
//Prepare initialization functor
detail::initialization_func_t (max_num_msg, max_msg_size))
{}
inline xsi_message_queue::xsi_message_queue(open_or_create_t open_or_create,
xsi_key key,
std::size_t max_num_msg,
std::size_t max_msg_size,
const permissions &perm)
//Create shared memory and execute functor atomically
: m_shmem(open_or_create,
key,
get_mem_size(max_msg_size, max_num_msg),
read_write,
static_cast<void*>(0),
//Prepare initialization functor
detail::initialization_func_t (max_num_msg, max_msg_size),
perm)
{}
static void start(class_handle_t handle, u8 *p_mem,
u32 size, BOOL dynamic, u8 filter_num, u8 sec_num)
{
dvb_t *p_this = handle;
dvb_priv_t *p_priv = p_this->p_data;
svc_container_t *p_container = p_priv->p_container;
u8 *p_temp = p_mem;
u16 i = 0;
//u32 buf_size = 0;
u32 pti_buf_size = 0;
u32 total_size = 0;
p_container->lock(p_container);
total_size = get_mem_size(handle, dynamic, filter_num, sec_num);
MT_ASSERT(((u32)p_mem) % 4 == 0);//align 4
MT_ASSERT((p_mem != NULL) && (size >= total_size));
MT_ASSERT(NULL == p_priv->p_sec);
p_priv->p_sec = (dvb_section_t *)p_temp;
p_temp += sec_num * sizeof(dvb_section_t);
memset(p_priv->p_sec, 0, sizeof(dvb_section_t) * sec_num);
//create free queue
p_priv->free_queue = create_simple_queue1(p_priv->q_handle,
sec_num);
for(i = 0; i < sec_num; i ++)
{
p_priv->p_sec[i].id = i;
push_simple_queue(p_priv->q_handle, p_priv->free_queue, i);
}
//attach request buffer
memset(p_temp, 0, DVB_ATTACH_SIZE(sec_num));
mtos_messageq_attach(p_container->get_msgq_id(p_container),
p_temp, sizeof(dvb_request_t), sec_num);
p_temp += DVB_ATTACH_SIZE(sec_num);
pti_dev_get_mem_request(p_priv->p_pti_dev, dynamic,
filter_num, &pti_buf_size);
pti_dev_parser_init(p_priv->p_pti_dev, dynamic,
filter_num, p_temp, pti_buf_size);
p_priv->dvb_actived = TRUE;
p_container->unlock(p_container);
}
guint8* retro_core_get_memory (RetroCore* self, RetroMemoryType id, int* length) {
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (length != NULL, NULL);
retro_core_push_cb_data (self);
RetroModule* module = self->module;
RetroGetMemoryData get_mem_data = retro_module_get_get_memory_data (module);
RetroGetMemorySize get_mem_size = retro_module_get_get_memory_size (module);
guint8* data = get_mem_data (id);
gsize size = get_mem_size (id);
retro_core_pop_cb_data ();
data = g_memdup (data, size);
*length = (gint) (data ? size : 0);
return data;
}
int mem_test()
{
#if 0
_mem_init();
MEM_T *mem = _mem_alloc(32*1024);
if(mem)
{
LOG_INFO("mem->size = %d",mem->size);
LOG_INFO("mem->phy_addr = %x",mem->phy_addr);
LOG_INFO("mem->vir_addr = %p",mem->vir_addr);
_mem_free(mem);
return 0;
}
else
{
return -1;
}
#else
mem_init();
int phy_addr = 0;
int mem_size = 0;
void *vir_addr = NULL;
void *ptr = mem_alloc(64*1024);
memset(ptr,0,64*1024);
if(ptr)
{
LOG_INFO("ptr is %p\n",ptr);
vir_addr = ptr - 0x8;
LOG_INFO("hisi vir_addr is %p\n",vir_addr);
phy_addr = get_hisi_phy_from_ptr(ptr);
LOG_INFO("phy_addr is %x\n",phy_addr);
mem_size = get_mem_size(ptr);
LOG_INFO("mem_size is %d\n",mem_size);
mem_free(ptr);
}
return 0;
#endif
}
int add_new_mem(size_t size)
{
void *addr;
MM_node *new_node;
size = get_mem_size(size) + NODE_HEADER_SIZE;
if ((addr = mmap(NULL, size, MMAP_PROT, MMAP_FLAGS, -1, 0)) == MAP_FAILED)
{
return ERROR;
}
else
{
new_node = construct_node(addr);
new_node->status = FREE;
new_node->size = size;
append_node(new_node);
malloc_tail = new_node;
return SUCCESS;
}
}
/*
* Initializes malloc_head / tail from first call to malloc.
* Mmaps for initial memory. Returns ERROR if mmap fails.
*/
int initialize(size_t req_mem_size)
{
void *addr;
req_mem_size = get_mem_size(req_mem_size);
if ((addr = mmap(NULL, req_mem_size, MMAP_PROT, MMAP_FLAGS, -1, 0)) == MAP_FAILED)
{
return ERROR;
}
else
{
malloc_head = construct_node(addr);
// the actual first node, so malloc_head will always point to a 'free node'
malloc_tail = construct_node(addr + NODE_HEADER_SIZE);
malloc_head->next_free = malloc_tail;
malloc_head->size = 0;
malloc_tail->next_free = NULL;
malloc_tail->size = req_mem_size - 2 * NODE_HEADER_SIZE;
return SUCCESS;
}
}
/**
* Prints memory info
*/
void print_meminfo() {
printk("Total mem: %d MB\nFree mem: %d MB\n", get_mem_size() / 1024, (get_max_blocks() - get_used_blocks()) * 4 / 1024);
printk("Heap size: %d KB Free heap: %d KB\n", get_heap_size() / 1024, (get_heap_size() - get_used_heap()) / 1024);
printk("cr0: %x cr2: %x cr3: %x\n", get_cr0(), get_cr2(), get_pdbr());
}
static void start(class_handle_t handle, u8 *p_mem,
u32 size, BOOL dynamic, u8 filter_num, u8 sec_num)
{
dvb_t *p_this = handle;
dvb_priv_t *p_priv = p_this->p_data;
svc_container_t *p_container = p_priv->p_container;
u8 *p_temp = NULL;
u16 i = 0;
//u32 buf_size = 0;
//u32 pti_buf_size = 0;
u32 total_size = 0;
p_container->lock(p_container);
total_size = get_mem_size(handle, FALSE, filter_num,sec_num);
MT_ASSERT((p_mem != NULL) && (size >= total_size));
MT_ASSERT(NULL == p_priv->p_sec);
//p_temp = (u8 *)(((u32)p_mem + 3) & (~3)); //align 4
p_temp = p_mem;
p_priv->p_sec = (dvb_section_t *)p_temp;
p_temp += DVB_MAX_SECTION_NUM * sizeof(dvb_section_t);
memset(p_priv->p_sec, 0, sizeof(dvb_section_t) * DVB_MAX_SECTION_NUM);
//create free queue
p_priv->free_queue = create_simple_queue1(p_priv->q_handle,
DVB_MAX_SECTION_NUM);
for(i = 0; i < DVB_MAX_SECTION_NUM; i ++)
{
p_priv->p_sec[i].id = i;
p_priv->p_sec[i].buf_id = 0xffff;
p_priv->p_sec[i].ts_in = p_priv->main_ts_in;
push_simple_queue(p_priv->q_handle, p_priv->free_queue, i);
}
//create free data buffer queue
p_priv->free_buffer_queue = create_simple_queue1(p_priv->q_handle,
DMX_HW_FILTER_SUM);
for(i = 0; i < DMX_HW_FILTER_SUM; i ++)
{
push_simple_queue(p_priv->q_handle, p_priv->free_buffer_queue, i);
}
p_priv->using_buffer_queue = create_simple_queue1(p_priv->q_handle,
DMX_HW_FILTER_SUM);
//attach request buffer
memset(p_temp, 0, DVB_ATTACH_SIZE);
mtos_messageq_attach(p_container->get_msgq_id(p_container),
p_temp, sizeof(dvb_request_t), DVB_MSG_DEPTH);
p_temp += DVB_ATTACH_SIZE;
p_temp = (u8 *)(((u32)p_temp + 7) & (~7)); //align 4 // 8 byte
p_priv->p_data_buffer = p_temp;
//pti_dev_get_mem_request(p_priv->p_pti_dev, dynamic,
//filter_num, &pti_buf_size);
//pti_dev_parser_init(p_priv->p_pti_dev, dynamic,
//filter_num, p_temp, pti_buf_size);
p_container->unlock(p_container);
}
char * WINAPI vt_lstrcpynA (char *dest,char *source,int maxlen)
{
char dbgmsg[1024];
LPTSTR retval;
_snprintf(dbgmsg, sizeof(dbgmsg), "[VulnTrace]: lstrcpynA(0x%08x:[%d], %s, %d)\n",dest,get_mem_size(dest), source, max-len);
dbgmsg[sizeof(dbgmsg)-1] = 0;
OutputDebugString(dbgmsg);
retval = real_lstrcpynA(dest, source, maxlen);
return(retval);
}
int main()
{
char bios_version[16];
unsigned long mem_size;
printf("86INFO v1.1, author: PING-HUI WEI, E-mail: [email protected], 2016/03/18\n");
printf("CPU:\t\t\t ");
switch(vx86_CpuID())
{
case CPU_VORTEX86SX:
printf("Vortex86SX\n");
break;
case CPU_VORTEX86DX_UNKNOWN:
printf("Vortex86DX_unknown\n");
break;
case CPU_VORTEX86DX_A:
printf("Vortex86DX_A\n");
break;
case CPU_VORTEX86DX_C:
printf("Vortex86DX_C\n");
break;
case CPU_VORTEX86DX_D:
printf("Vortex86DX_D\n");
break;
case CPU_VORTEX86MX:
printf("Vortex86MX\n");
break;
case CPU_VORTEX86MX_PLUS:
printf("Vortex86MX_plus\n");
break;
case CPU_VORTEX86DX2:
printf("Vortex86DX2\n");
break;
case CPU_VORTEX86DX3:
printf("Vortex86DX3\n");
break;
case CPU_VORTEX86EX:
printf("Vortex86EX\n");
break;
case CPU_UNSUPPORTED:
default:
printf("unsupported\n");
}
printf("CPU Frequency:\t\t %ldMHz\n", vx86_CpuCLK());
printf("CPU Temperature:\t %f °C\n", cpuTemperature());
printf("Memory Size:\t\t");
if(get_mem_size(&mem_size) == false)
printf("get memory size error!\n");
else
printf(" %luMB\n", mem_size);
printf("Memory Frequency:\t %luMHz\n", vx86_DramCLK());
printf("BIOS Version:\t\t");
if(get_BIOS_version(bios_version) == false)
printf("get bios version error!\n");
else
printf(" %s\n", bios_version);
return EXIT_SUCCESS;
}
int compress_mem_chunk(
const uint64_t mem_read_start,
const uint64_t mem_read_length,
const uint64_t mem_output_start,
uint64_t* const mem_output_length,
struct compress_header** const header_address)
{
int return_code = 0;
printf("Chunk %016" PRIx64 " - %016" PRIx64 " @ 0x%" PRIx64 " (%s)...\n",
mem_read_start,
mem_read_start + mem_read_length,
mem_output_start,
get_mem_size(*mem_output_length)
);
unsigned char src_buffer[128];
unsigned char dst_buffer[DST_BUFFER_SIZE];
uint64_t mem_read_pointer = mem_read_start;
uint64_t mem_output_pointer = mem_output_start;
context_sha256_t sha256_ctx;
z_stream stream_context;
stream_context.zalloc = (alloc_func)0;
stream_context.zfree = (free_func)0;
stream_context.opaque = (voidpf)0;
stream_context.next_out = dst_buffer;
stream_context.avail_out = DST_BUFFER_SIZE;
if (deflateInit(&stream_context, Z_BEST_COMPRESSION) != Z_OK) {
printf("Zlib init failed!\n");
return RETURN_CODE_FAILED;
}
sha256_starts(&sha256_ctx);
// Set header pointer to begin of the output buffer
*header_address = (struct compress_header*) mem_output_pointer;
mem_output_pointer += sizeof(struct compress_header);
uint64_t bytes_read = 0;
uint64_t bytes_write = 0;
uint64_t bytes_skipped = 0;
for (;
mem_read_pointer < mem_read_start + mem_read_length &&
mem_output_pointer + DST_BUFFER_SIZE < mem_output_start + *mem_output_length &&
IS_VALID_POINTER(mem_read_pointer);
mem_read_pointer += sizeof(int))
{
bool buffer_underrun = 0;
int data;
if (stream_context.avail_out < 100) {
// We have less than 100 bytes in our scratchpad...
// There are basicly 2 options left. Skip some data or crash.
// Most likely is skipping some data the less evil of the two
if (!buffer_underrun) {
printf("WARNING: Buffer underrun!\n");
buffer_underrun = 1;
}
data = 0;
bytes_skipped += sizeof(int);
}
else if (is_readable_mem_address(mem_read_pointer)) {
data = *((int*)mem_read_pointer);
bytes_read += sizeof(int);
buffer_underrun = 0;
}
else {
data = 0;
bytes_skipped += sizeof(int);
}
sha256_update(&sha256_ctx, (uint8_t*)&data, sizeof(int));
//The input is not always 100% used, so use a small buffer for the few cases a couple of bytes are left
*(int*)(src_buffer + stream_context.avail_in) = data;
stream_context.next_in = src_buffer;
stream_context.avail_in += sizeof(int);
if (deflate(&stream_context, Z_NO_FLUSH) != Z_OK) {
printf("Memory compression failed!\n");
return_code = RETURN_CODE_FAILED;
goto out;
}
if (stream_context.avail_out < (DST_BUFFER_SIZE - 100)) {
unsigned short bytes_waiting = DST_BUFFER_SIZE - stream_context.avail_out;
if ((mem_output_pointer + bytes_waiting) < mem_read_pointer || mem_read_start + mem_read_length <= mem_output_start) {
// Make sure we stay behind the read pointer
uint64_t mem_output_length_remaing = *mem_output_length - (mem_output_pointer - mem_output_start);
if (write_buffer_to_buffer(dst_buffer, bytes_waiting, mem_output_pointer, &mem_output_length_remaing) < 0 ||
mem_output_length_remaing == 0)
{
printf("Fatal error!\n");
return_code = RETURN_CODE_FAILED;
goto out;
}
mem_output_pointer += mem_output_length_remaing;
bytes_write += bytes_waiting;
stream_context.next_out = dst_buffer;
stream_context.avail_out = DST_BUFFER_SIZE;
}
}
if (stream_context.avail_out == 0) {
printf("Memory compression failed! No space left in buffer\n");
printf("Read pointer %016" PRIx64 " Output pointer %016" PRIx64 " length %x\n",
mem_read_pointer,
mem_output_pointer,
(DST_BUFFER_SIZE - stream_context.avail_out)
);
return_code = RETURN_CODE_FAILED;
goto out;
}
}
if (IS_32BIT() && mem_read_pointer > ~0u) {
printf("WARNING: Only lower 32 bit of memory is compressed!\n");
}
int deflate_status;
do {
deflate_status = deflate(&stream_context, Z_FINISH);
if (deflate_status != Z_OK && deflate_status != Z_STREAM_END) {
printf("Memory compression failed to finish!\n");
return_code = RETURN_CODE_FAILED;
goto out;
}
unsigned short bytes_waiting = DST_BUFFER_SIZE - stream_context.avail_out;
if ((mem_output_pointer + bytes_waiting) >= mem_read_pointer && mem_output_start <= mem_read_start) {
printf("WARNING: Output buffer will overwrite not read data!\n");
printf("Read pointer %016" PRIx64 " Output pointer %016" PRIx64 " length %x\n",
mem_read_pointer,
mem_output_pointer,
(DST_BUFFER_SIZE - stream_context.avail_out)
);
return_code = RETURN_CODE_FAILED;
goto out;
}
uint64_t mem_output_length_remaing = *mem_output_length - (mem_output_pointer - mem_output_start);
if (write_buffer_to_buffer(dst_buffer, bytes_waiting, mem_output_pointer, &mem_output_length_remaing) < 0 ||
mem_output_length_remaing == 0)
{
printf("Fatal error!\n");
return_code = RETURN_CODE_FAILED;
goto out;
}
mem_output_pointer += mem_output_length_remaing;
bytes_write += bytes_waiting;
stream_context.next_out = dst_buffer;
stream_context.avail_out = DST_BUFFER_SIZE;
}
while(deflate_status == Z_OK);
if (deflateEnd(&stream_context) != Z_OK) {
printf("Compression state failure!\n");
return_code = RETURN_CODE_FAILED;
goto out;
}
out:
//Marker so it can be found back
(*header_address)->marker[0] = 'M';
(*header_address)->marker[1] = 'E';
(*header_address)->marker[2] = 'M';
(*header_address)->marker[3] = 0xf1;
(*header_address)->marker[4] = 0x88;
(*header_address)->marker[5] = 0x15;
(*header_address)->marker[6] = 0x08;
(*header_address)->marker[7] = 0x5c;
(*header_address)->start_address = mem_read_start;
(*header_address)->end_address = mem_read_pointer - 1;
(*header_address)->compressed_length = bytes_write;
(*header_address)->uncompressed_length = bytes_read + bytes_skipped;
(*header_address)->skipped_length = bytes_skipped;
sha256_finish(&sha256_ctx, (*header_address)->checksum);
*mem_output_length = mem_output_pointer - mem_output_start;
g_chunks++;
return return_code;
}
struct bi_record *
decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum)
{
#ifdef INTERACTIVE_CONSOLE
int timer = 0;
char ch;
#endif
char *cp;
struct bi_record *rec;
unsigned long initrd_loc = 0, TotalMemory = 0;
#if defined(CONFIG_SERIAL_8250_CONSOLE) || defined(CONFIG_SERIAL_MPSC_CONSOLE)
com_port = serial_init(0, NULL);
#endif
#if defined(PPC4xx_EMAC0_MR0)
/* Reset MAL */
mtdcr(DCRN_MALCR(DCRN_MAL_BASE), MALCR_MMSR);
/* Wait for reset */
while (mfdcr(DCRN_MALCR(DCRN_MAL_BASE)) & MALCR_MMSR) {};
/* Reset EMAC */
*(volatile unsigned long *)PPC4xx_EMAC0_MR0 = 0x20000000;
__asm__ __volatile__("eieio");
#endif
/*
* Call get_mem_size(), which is memory controller dependent,
* and we must have the correct file linked in here.
*/
TotalMemory = get_mem_size();
/* assume the chunk below 8M is free */
end_avail = (char *)0x00800000;
/*
* Reveal where we were loaded at and where we
* were relocated to.
*/
puts("loaded at: "); puthex(load_addr);
puts(" "); puthex((unsigned long)(load_addr + (4*num_words)));
puts("\n");
if ( (unsigned long)load_addr != (unsigned long)&start )
{
puts("relocated to: "); puthex((unsigned long)&start);
puts(" ");
puthex((unsigned long)((unsigned long)&start + (4*num_words)));
puts("\n");
}
/*
* We link ourself to 0x00800000. When we run, we relocate
* ourselves there. So we just need __image_begin for the
* start. -- Tom
*/
zimage_start = (char *)(unsigned long)(&__image_begin);
zimage_size = (unsigned long)(&__image_end) -
(unsigned long)(&__image_begin);
initrd_size = (unsigned long)(&__ramdisk_end) -
(unsigned long)(&__ramdisk_begin);
/*
* The zImage and initrd will be between start and _end, so they've
* already been moved once. We're good to go now. -- Tom
*/
avail_ram = (char *)PAGE_ALIGN((unsigned long)_end);
puts("zimage at: "); puthex((unsigned long)zimage_start);
puts(" "); puthex((unsigned long)(zimage_size+zimage_start));
puts("\n");
if ( initrd_size ) {
puts("initrd at: ");
puthex((unsigned long)(&__ramdisk_begin));
puts(" "); puthex((unsigned long)(&__ramdisk_end));puts("\n");
}
#ifndef CONFIG_40x /* don't overwrite the 40x image located at 0x00400000! */
avail_ram = (char *)0x00400000;
#endif
end_avail = (char *)0x00800000;
puts("avail ram: "); puthex((unsigned long)avail_ram); puts(" ");
puthex((unsigned long)end_avail); puts("\n");
if (keyb_present)
CRT_tstc(); /* Forces keyboard to be initialized */
/* Display standard Linux/PPC boot prompt for kernel args */
puts("\nLinux/PPC load: ");
cp = cmd_line;
memcpy (cmd_line, cmd_preset, sizeof(cmd_preset));
while ( *cp ) putc(*cp++);
#ifdef INTERACTIVE_CONSOLE
/*
* If they have a console, allow them to edit the command line.
* Otherwise, don't bother wasting the five seconds.
*/
while (timer++ < 5*1000) {
if (tstc()) {
while ((ch = getc()) != '\n' && ch != '\r') {
/* Test for backspace/delete */
if (ch == '\b' || ch == '\177') {
if (cp != cmd_line) {
cp--;
puts("\b \b");
}
/* Test for ^x/^u (and wipe the line) */
} else if (ch == '\030' || ch == '\025') {
while (cp != cmd_line) {
cp--;
puts("\b \b");
}
} else {
*cp++ = ch;
putc(ch);
}
}
break; /* Exit 'timer' loop */
}
udelay(1000); /* 1 msec */
}
*cp = 0;
#endif
puts("\n");
puts("Uncompressing Linux...");
gunzip(NULL, 0x400000, zimage_start, &zimage_size);
puts("done.\n");
/* get the bi_rec address */
rec = bootinfo_addr(zimage_size);
/* We need to make sure that the initrd and bi_recs do not
* overlap. */
if ( initrd_size ) {
unsigned long rec_loc = (unsigned long) rec;
initrd_loc = (unsigned long)(&__ramdisk_begin);
/* If the bi_recs are in the middle of the current
* initrd, move the initrd to the next MB
* boundary. */
if ((rec_loc > initrd_loc) &&
((initrd_loc + initrd_size) > rec_loc)) {
initrd_loc = _ALIGN((unsigned long)(zimage_size)
+ (2 << 20) - 1, (2 << 20));
memmove((void *)initrd_loc, &__ramdisk_begin,
initrd_size);
puts("initrd moved: "); puthex(initrd_loc);
puts(" "); puthex(initrd_loc + initrd_size);
puts("\n");
}
}
bootinfo_init(rec);
if ( TotalMemory )
bootinfo_append(BI_MEMSIZE, sizeof(int), (void*)&TotalMemory);
bootinfo_append(BI_CMD_LINE, strlen(cmd_line)+1, (void*)cmd_line);
/* add a bi_rec for the initrd if it exists */
if (initrd_size) {
unsigned long initrd[2];
initrd[0] = initrd_loc;
initrd[1] = initrd_size;
bootinfo_append(BI_INITRD, sizeof(initrd), &initrd);
}
puts("Now booting the kernel\n");
serial_close(com_port);
return rec;
}
struct sk_buff *__alloc_skb(const char* name, unsigned int size, gfp_t gfp_mask, int fclone, int
node)
{
uint32_t ret_size;
// struct kmem_cache *cache;
struct skb_shared_info *shinfo;
struct sk_buff *skb;
u8 *data;
#if USE_MEM_DEBUG
skb = mem_calloc_ex(name, sizeof(struct sk_buff), 1);
#else
skb = mem_calloc(sizeof(struct sk_buff), 1);
#endif
if (!skb)
goto out;
g_skb_alloc_size += get_mem_size(skb);
size = SKB_DATA_ALIGN(size);
data = mem_malloc(size + sizeof(struct skb_shared_info));
if (!data)
goto nodata;
// prefetchw(data + size);
g_skb_alloc_size += get_mem_size(data);
/*
* Only clear those fields we need to clear, not those that we will
* actually initialise below. Hence, don't put any more fields after
* the tail pointer in struct sk_buff!
*/
memset(skb, 0, offsetof(struct sk_buff, tail));
skb->truesize = size + sizeof(struct sk_buff);
atomic_set(&skb->users, 1);
skb->head = data;
skb->data = data;
skb_reset_tail_pointer(skb);
skb->end = skb->tail + size;
#ifdef NET_SKBUFF_DATA_USES_OFFSET
skb->mac_header = ~0U;
#endif
//SET_MONITOR_ITEM_VALUE(_g_skb_alloc_size, g_skb_alloc_size);
/* make sure we initialize shinfo sequentially */
shinfo = skb_shinfo(skb);
memset(shinfo, 0, /*offsetof(struct skb_shared_info, dataref)*/sizeof(struct skb_shared_info));
atomic_set(&shinfo->dataref, 1);
// kmemcheck_annotate_variable(shinfo->destructor_arg);
if (fclone)
{
p_err("fclone\n");
}
out:
return skb;
nodata:
ret_size = kmem_cache_free(cache, skb);
g_skb_alloc_size -= ret_size;
skb = NULL;
goto out;
}
