static void print_section_info(struct section *s)
{
printf("section: ");
printf_bin(s->name, SECTION_NAME_MAXLEN);
printf("\n");
printf("Mem addr: 0x%.8x\n", ntohl(s->memaddr));
printf("Index: 0x%.8x\n", ntohl(s->index));
printf("Base addr: 0x%.8x\n", ntohl(s->baseaddr));
printf("Entry addr: 0x%.8x\n", ntohl(s->entryaddr));
printf("Data size: %u bytes (KB = %.1f) (MB = %.1f)\n",
ntohl(s->data_size),
(float)TO_KB(ntohl(s->data_size)),
(float)TO_MB(ntohl(s->data_size)));
printf("Part size: %u bytes (KB = %.1f) (MB = %.1f)\n",
ntohl(s->part_size),
(float)TO_KB(ntohl(s->part_size)),
(float)TO_MB(ntohl(s->part_size)));
}
/*
* Read the Cache Build Confuration Registers, Decode them and save into
* the cpuinfo structure for later use.
* No Validation done here, simply read/convert the BCRs
*/
void read_decode_cache_bcr(void)
{
struct cpuinfo_arc_cache *p_ic, *p_dc;
unsigned int cpu = smp_processor_id();
struct bcr_cache {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:12, line_len:4, sz:4, config:4, ver:8;
#else
unsigned int ver:8, config:4, sz:4, line_len:4, pad:12;
#endif
} ibcr, dbcr;
p_ic = &cpuinfo_arc700[cpu].icache;
READ_BCR(ARC_REG_IC_BCR, ibcr);
if (!ibcr.ver)
goto dc_chk;
BUG_ON(ibcr.config != 3);
p_ic->assoc = 2; /* Fixed to 2w set assoc */
p_ic->line_len = 8 << ibcr.line_len;
p_ic->sz_k = 1 << (ibcr.sz - 1);
p_ic->ver = ibcr.ver;
p_ic->vipt = 1;
p_ic->alias = p_ic->sz_k/p_ic->assoc/TO_KB(PAGE_SIZE) > 1;
dc_chk:
p_dc = &cpuinfo_arc700[cpu].dcache;
READ_BCR(ARC_REG_DC_BCR, dbcr);
if (!dbcr.ver)
return;
BUG_ON(dbcr.config != 2);
p_dc->assoc = 4; /* Fixed to 4w set assoc */
p_dc->line_len = 16 << dbcr.line_len;
p_dc->sz_k = 1 << (dbcr.sz - 1);
p_dc->ver = dbcr.ver;
p_dc->vipt = 1;
p_dc->alias = p_dc->sz_k/p_dc->assoc/TO_KB(PAGE_SIZE) > 1;
}
/*
* mem_init - initializes memory
*
* Frees up bootmem
* Calculates and displays memory available/used
*/
void __init mem_init(void)
{
int codesize, datasize, initsize, reserved_pages, free_pages;
int tmp;
high_memory = (void *)(CONFIG_LINUX_LINK_BASE + arc_mem_sz);
free_all_bootmem();
/* count all reserved pages [kernel code/data/mem_map..] */
reserved_pages = 0;
for (tmp = 0; tmp < max_mapnr; tmp++)
if (PageReserved(mem_map + tmp))
reserved_pages++;
/* XXX: nr_free_pages() is equivalent */
free_pages = max_mapnr - reserved_pages;
/*
* For the purpose of display below, split the "reserve mem"
* kernel code/data is already shown explicitly,
* Show any other reservations (mem_map[ ] et al)
*/
reserved_pages -= (((unsigned int)_end - CONFIG_LINUX_LINK_BASE) >>
PAGE_SHIFT);
codesize = _etext - _text;
datasize = _end - _etext;
initsize = __init_end - __init_begin;
pr_info("Memory Available: %dM / %ldM (%dK code, %dK data, %dK init, %dK reserv)\n",
PAGES_TO_MB(free_pages),
TO_MB(arc_mem_sz),
TO_KB(codesize), TO_KB(datasize), TO_KB(initsize),
PAGES_TO_KB(reserved_pages));
}
char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len)
{
int n = 0;
struct cpuinfo_arc_mmu *p_mmu = &cpuinfo_arc700[cpu_id].mmu;
n += scnprintf(buf + n, len - n, "ARC700 MMU [v%x]\t: %dk PAGE, ",
p_mmu->ver, TO_KB(p_mmu->pg_sz));
n += scnprintf(buf + n, len - n,
"J-TLB %d (%dx%d), uDTLB %d, uITLB %d, %s\n",
p_mmu->num_tlb, p_mmu->sets, p_mmu->ways,
p_mmu->u_dtlb, p_mmu->u_itlb,
IS_ENABLED(CONFIG_ARC_MMU_SASID) ? "SASID" : "");
return buf;
}
static void server_loop(int serv_sock)
{
char buffer[MAX_BUFF_SIZE];
struct sockaddr_in cli_addr = {0};
socklen_t cli_addr_len = sizeof cli_addr;
struct timeval tv;
time_t cur_time, prev_time;
int bytes_read, curr_bytes = 0;
printf("== Entering receive loop ==\n");
gettimeofday(&tv, NULL);
prev_time = tv.tv_sec;
while(1) {
// printf("===============================================\n");
memset(buffer, 0, MAX_BUFF_SIZE);
if ((bytes_read = recvfrom(serv_sock, &buffer, MAX_BUFF_SIZE, 0,
(struct sockaddr*) &cli_addr, &cli_addr_len)) == -1)
error("Error on recv");
curr_bytes += bytes_read;
//printf("%s", buffer);
gettimeofday(&tv, NULL);
cur_time = tv.tv_sec;
if (cur_time - prev_time > 1) {
printf("--------------------------\n");
printf("Transfer rate(KB/s): %d\n", TO_KB(curr_bytes) );
curr_bytes = 0;
prev_time = cur_time;
}
}
printf("== Exit from receive loop ==\n");
}
char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len)
{
int n = 0;
struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id];
FIX_PTR(cpu);
#define IS_AVAIL1(var, str) ((var) ? str : "")
#define IS_AVAIL2(var, str) ((var == 0x2) ? str : "")
#define IS_USED(cfg) (IS_ENABLED(cfg) ? "(in-use)" : "(not used)")
n += scnprintf(buf + n, len - n,
"Extn [700-Base]\t: %s %s %s %s %s %s\n",
IS_AVAIL2(cpu->extn.norm, "norm,"),
IS_AVAIL2(cpu->extn.barrel, "barrel-shift,"),
IS_AVAIL1(cpu->extn.swap, "swap,"),
IS_AVAIL2(cpu->extn.minmax, "minmax,"),
IS_AVAIL1(cpu->extn.crc, "crc,"),
IS_AVAIL2(cpu->extn.ext_arith, "ext-arith"));
n += scnprintf(buf + n, len - n, "Extn [700-MPY]\t: %s",
mul_type_nm[cpu->extn.mul].str);
n += scnprintf(buf + n, len - n, " MAC MPY: %s\n",
mac_mul_nm[cpu->extn_mac_mul.type].str);
if (cpu->core.family == 0x34) {
n += scnprintf(buf + n, len - n,
"Extn [700-4.10]\t: LLOCK/SCOND %s, SWAPE %s, RTSC %s\n",
IS_USED(CONFIG_ARC_HAS_LLSC),
IS_USED(CONFIG_ARC_HAS_SWAPE),
IS_USED(CONFIG_ARC_HAS_RTSC));
}
n += scnprintf(buf + n, len - n, "Extn [CCM]\t: %s",
!(cpu->dccm.sz || cpu->iccm.sz) ? "N/A" : "");
if (cpu->dccm.sz)
n += scnprintf(buf + n, len - n, "DCCM: @ %x, %d KB ",
cpu->dccm.base_addr, TO_KB(cpu->dccm.sz));
if (cpu->iccm.sz)
n += scnprintf(buf + n, len - n, "ICCM: @ %x, %d KB",
cpu->iccm.base_addr, TO_KB(cpu->iccm.sz));
n += scnprintf(buf + n, len - n, "\nExtn [FPU]\t: %s",
!(cpu->fp.ver || cpu->dpfp.ver) ? "N/A" : "");
if (cpu->fp.ver)
n += scnprintf(buf + n, len - n, "SP [v%d] %s",
cpu->fp.ver, cpu->fp.fast ? "(fast)" : "");
if (cpu->dpfp.ver)
n += scnprintf(buf + n, len - n, "DP [v%d] %s",
cpu->dpfp.ver, cpu->dpfp.fast ? "(fast)" : "");
n += scnprintf(buf + n, len - n, "\n");
n += scnprintf(buf + n, len - n,
"OS ABI [v3]\t: no-legacy-syscalls\n");
return buf;
}
/*
* Read the Cache Build Confuration Registers, Decode them and save into
* the cpuinfo structure for later use.
* No Validation done here, simply read/convert the BCRs
*/
void read_decode_cache_bcr(void)
{
struct cpuinfo_arc_cache *p_ic, *p_dc, *p_slc;
unsigned int cpu = smp_processor_id();
struct bcr_cache {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:12, line_len:4, sz:4, config:4, ver:8;
#else
unsigned int ver:8, config:4, sz:4, line_len:4, pad:12;
#endif
} ibcr, dbcr;
struct bcr_generic sbcr;
struct bcr_slc_cfg {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:24, way:2, lsz:2, sz:4;
#else
unsigned int sz:4, lsz:2, way:2, pad:24;
#endif
} slc_cfg;
p_ic = &cpuinfo_arc700[cpu].icache;
READ_BCR(ARC_REG_IC_BCR, ibcr);
if (!ibcr.ver)
goto dc_chk;
if (ibcr.ver <= 3) {
BUG_ON(ibcr.config != 3);
p_ic->assoc = 2; /* Fixed to 2w set assoc */
} else if (ibcr.ver >= 4) {
p_ic->assoc = 1 << ibcr.config; /* 1,2,4,8 */
}
p_ic->line_len = 8 << ibcr.line_len;
p_ic->sz_k = 1 << (ibcr.sz - 1);
p_ic->ver = ibcr.ver;
p_ic->vipt = 1;
p_ic->alias = p_ic->sz_k/p_ic->assoc/TO_KB(PAGE_SIZE) > 1;
dc_chk:
p_dc = &cpuinfo_arc700[cpu].dcache;
READ_BCR(ARC_REG_DC_BCR, dbcr);
if (!dbcr.ver)
goto slc_chk;
if (dbcr.ver <= 3) {
BUG_ON(dbcr.config != 2);
p_dc->assoc = 4; /* Fixed to 4w set assoc */
p_dc->vipt = 1;
p_dc->alias = p_dc->sz_k/p_dc->assoc/TO_KB(PAGE_SIZE) > 1;
} else if (dbcr.ver >= 4) {
p_dc->assoc = 1 << dbcr.config; /* 1,2,4,8 */
p_dc->vipt = 0;
p_dc->alias = 0; /* PIPT so can't VIPT alias */
}
p_dc->line_len = 16 << dbcr.line_len;
p_dc->sz_k = 1 << (dbcr.sz - 1);
p_dc->ver = dbcr.ver;
slc_chk:
if (!is_isa_arcv2())
return;
p_slc = &cpuinfo_arc700[cpu].slc;
READ_BCR(ARC_REG_SLC_BCR, sbcr);
if (sbcr.ver) {
READ_BCR(ARC_REG_SLC_CFG, slc_cfg);
p_slc->ver = sbcr.ver;
p_slc->sz_k = 128 << slc_cfg.sz;
l2_line_sz = p_slc->line_len = (slc_cfg.lsz == 0) ? 128 : 64;
}
}
int main() {
int afVMCI;
int sockfd, newfd;
char buffer[BUFF_SIZE];
struct sockaddr_vm my_addr = {0}, their_addr = {0};
socklen_t their_addr_len = sizeof their_addr;
struct timeval tv;
time_t cur_time, prev_time;
int total_bytes, bytes_read;
int curr_bytes = 0;
int total_time = 0;
/*Obtain VMCI address family*/
afVMCI = VMCISock_GetAFValue();
init_sockaddr(afVMCI, &my_addr);
printf("Creating socket...\n");
/*Create a socket*/
if ((sockfd = socket(afVMCI, SOCK_STREAM, 0)) == -1)
error("socket");
printf("Binding...\n");
/*Bind*/
if (bind(sockfd, (struct sockaddr *) &my_addr, sizeof my_addr) == -1)
error("bind");
printf("Listening for connections...\n");
/*Listen*/
if (listen(sockfd,BACKLOG) == -1)
error("listen");
/*Measure the time before the transfer*/
gettimeofday(&tv, NULL);
prev_time = tv.tv_sec;
/*Accept a connection and don't make recv*/
/*Checking the buffer size*/
while (total_bytes < TRANSFER_SIZE) {
/*Accept*/
if ((newfd = accept(sockfd, (struct sockaddr*) &their_addr, &their_addr_len)) == -1)
error("accept");
if ((bytes_read = recv(newfd, buffer, BUFF_SIZE,0)) == -1)
error("recv");
curr_bytes += bytes_read;
total_bytes += bytes_read;
close(newfd);
gettimeofday(&tv, NULL);
cur_time = tv.tv_sec;
if (cur_time - prev_time > 1) {
printf("--------------------------\n");
printf("Transfer rate(KB/s): %d\n", TO_KB(curr_bytes) );
printf("Transferred %d/%d\n", TO_KB(total_bytes), TO_KB(TRANSFER_SIZE) );
curr_bytes = 0;
++total_time;
prev_time = cur_time;
}
close(newfd);
}
/*Calculate total transfer time*/
printf("--------------------------\n");
printf("Total time(s) :%d\n", total_time);
printf("Average transfer rate(KB/s): %d\n", TO_KB(total_bytes) / total_time);
close(sockfd);
return 0;
}
