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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 14:27:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 14:27:40 -0700
commitf9da455b93f6ba076935b4ef4589f61e529ae046 (patch)
tree3c4e69ce1ba1d6bf65915b97a76ca2172105b278 /arch/powerpc
parent0e04c641b199435f3779454055f6a7de258ecdfc (diff)
parente5eca6d41f53db48edd8cf88a3f59d2c30227f8e (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: 1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov. 2) Multiqueue support in xen-netback and xen-netfront, from Andrew J Benniston. 3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn Mork. 4) BPF now has a "random" opcode, from Chema Gonzalez. 5) Add more BPF documentation and improve test framework, from Daniel Borkmann. 6) Support TCP fastopen over ipv6, from Daniel Lee. 7) Add software TSO helper functions and use them to support software TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia. 8) Support software TSO in fec driver too, from Nimrod Andy. 9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli. 10) Handle broadcasts more gracefully over macvlan when there are large numbers of interfaces configured, from Herbert Xu. 11) Allow more control over fwmark used for non-socket based responses, from Lorenzo Colitti. 12) Do TCP congestion window limiting based upon measurements, from Neal Cardwell. 13) Support busy polling in SCTP, from Neal Horman. 14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru. 15) Bridge promisc mode handling improvements from Vlad Yasevich. 16) Don't use inetpeer entries to implement ID generation any more, it performs poorly, from Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits) rtnetlink: fix userspace API breakage for iproute2 < v3.9.0 tcp: fixing TLP's FIN recovery net: fec: Add software TSO support net: fec: Add Scatter/gather support net: fec: Increase buffer descriptor entry number net: fec: Factorize feature setting net: fec: Enable IP header hardware checksum net: fec: Factorize the .xmit transmit function bridge: fix compile error when compiling without IPv6 support bridge: fix smatch warning / potential null pointer dereference via-rhine: fix full-duplex with autoneg disable bnx2x: Enlarge the dorq threshold for VFs bnx2x: Check for UNDI in uncommon branch bnx2x: Fix 1G-baseT link bnx2x: Fix link for KR with swapped polarity lane sctp: Fix sk_ack_backlog wrap-around problem net/core: Add VF link state control policy net/fsl: xgmac_mdio is dependent on OF_MDIO net/fsl: Make xgmac_mdio read error message useful net_sched: drr: warn when qdisc is not work conserving ...
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/net/bpf_jit_64.S2
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c157
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c32
3 files changed, 76 insertions, 115 deletions
diff --git a/arch/powerpc/net/bpf_jit_64.S b/arch/powerpc/net/bpf_jit_64.S
index e76eba74d9da..8f87d9217122 100644
--- a/arch/powerpc/net/bpf_jit_64.S
+++ b/arch/powerpc/net/bpf_jit_64.S
@@ -78,7 +78,7 @@ sk_load_byte_positive_offset:
blr
/*
- * BPF_S_LDX_B_MSH: ldxb 4*([offset]&0xf)
+ * BPF_LDX | BPF_B | BPF_MSH: ldxb 4*([offset]&0xf)
* r_addr is the offset value
*/
.globl sk_load_byte_msh
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 808ce1cae21a..6dcdadefd8d0 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -79,19 +79,11 @@ static void bpf_jit_build_prologue(struct sk_filter *fp, u32 *image,
}
switch (filter[0].code) {
- case BPF_S_RET_K:
- case BPF_S_LD_W_LEN:
- case BPF_S_ANC_PROTOCOL:
- case BPF_S_ANC_IFINDEX:
- case BPF_S_ANC_MARK:
- case BPF_S_ANC_RXHASH:
- case BPF_S_ANC_VLAN_TAG:
- case BPF_S_ANC_VLAN_TAG_PRESENT:
- case BPF_S_ANC_CPU:
- case BPF_S_ANC_QUEUE:
- case BPF_S_LD_W_ABS:
- case BPF_S_LD_H_ABS:
- case BPF_S_LD_B_ABS:
+ case BPF_RET | BPF_K:
+ case BPF_LD | BPF_W | BPF_LEN:
+ case BPF_LD | BPF_W | BPF_ABS:
+ case BPF_LD | BPF_H | BPF_ABS:
+ case BPF_LD | BPF_B | BPF_ABS:
/* first instruction sets A register (or is RET 'constant') */
break;
default:
@@ -144,6 +136,7 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
for (i = 0; i < flen; i++) {
unsigned int K = filter[i].k;
+ u16 code = bpf_anc_helper(&filter[i]);
/*
* addrs[] maps a BPF bytecode address into a real offset from
@@ -151,35 +144,35 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
*/
addrs[i] = ctx->idx * 4;
- switch (filter[i].code) {
+ switch (code) {
/*** ALU ops ***/
- case BPF_S_ALU_ADD_X: /* A += X; */
+ case BPF_ALU | BPF_ADD | BPF_X: /* A += X; */
ctx->seen |= SEEN_XREG;
PPC_ADD(r_A, r_A, r_X);
break;
- case BPF_S_ALU_ADD_K: /* A += K; */
+ case BPF_ALU | BPF_ADD | BPF_K: /* A += K; */
if (!K)
break;
PPC_ADDI(r_A, r_A, IMM_L(K));
if (K >= 32768)
PPC_ADDIS(r_A, r_A, IMM_HA(K));
break;
- case BPF_S_ALU_SUB_X: /* A -= X; */
+ case BPF_ALU | BPF_SUB | BPF_X: /* A -= X; */
ctx->seen |= SEEN_XREG;
PPC_SUB(r_A, r_A, r_X);
break;
- case BPF_S_ALU_SUB_K: /* A -= K */
+ case BPF_ALU | BPF_SUB | BPF_K: /* A -= K */
if (!K)
break;
PPC_ADDI(r_A, r_A, IMM_L(-K));
if (K >= 32768)
PPC_ADDIS(r_A, r_A, IMM_HA(-K));
break;
- case BPF_S_ALU_MUL_X: /* A *= X; */
+ case BPF_ALU | BPF_MUL | BPF_X: /* A *= X; */
ctx->seen |= SEEN_XREG;
PPC_MUL(r_A, r_A, r_X);
break;
- case BPF_S_ALU_MUL_K: /* A *= K */
+ case BPF_ALU | BPF_MUL | BPF_K: /* A *= K */
if (K < 32768)
PPC_MULI(r_A, r_A, K);
else {
@@ -187,7 +180,7 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_MUL(r_A, r_A, r_scratch1);
}
break;
- case BPF_S_ALU_MOD_X: /* A %= X; */
+ case BPF_ALU | BPF_MOD | BPF_X: /* A %= X; */
ctx->seen |= SEEN_XREG;
PPC_CMPWI(r_X, 0);
if (ctx->pc_ret0 != -1) {
@@ -201,13 +194,13 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_MUL(r_scratch1, r_X, r_scratch1);
PPC_SUB(r_A, r_A, r_scratch1);
break;
- case BPF_S_ALU_MOD_K: /* A %= K; */
+ case BPF_ALU | BPF_MOD | BPF_K: /* A %= K; */
PPC_LI32(r_scratch2, K);
PPC_DIVWU(r_scratch1, r_A, r_scratch2);
PPC_MUL(r_scratch1, r_scratch2, r_scratch1);
PPC_SUB(r_A, r_A, r_scratch1);
break;
- case BPF_S_ALU_DIV_X: /* A /= X; */
+ case BPF_ALU | BPF_DIV | BPF_X: /* A /= X; */
ctx->seen |= SEEN_XREG;
PPC_CMPWI(r_X, 0);
if (ctx->pc_ret0 != -1) {
@@ -223,17 +216,17 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
}
PPC_DIVWU(r_A, r_A, r_X);
break;
- case BPF_S_ALU_DIV_K: /* A /= K */
+ case BPF_ALU | BPF_DIV | BPF_K: /* A /= K */
if (K == 1)
break;
PPC_LI32(r_scratch1, K);
PPC_DIVWU(r_A, r_A, r_scratch1);
break;
- case BPF_S_ALU_AND_X:
+ case BPF_ALU | BPF_AND | BPF_X:
ctx->seen |= SEEN_XREG;
PPC_AND(r_A, r_A, r_X);
break;
- case BPF_S_ALU_AND_K:
+ case BPF_ALU | BPF_AND | BPF_K:
if (!IMM_H(K))
PPC_ANDI(r_A, r_A, K);
else {
@@ -241,51 +234,51 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_AND(r_A, r_A, r_scratch1);
}
break;
- case BPF_S_ALU_OR_X:
+ case BPF_ALU | BPF_OR | BPF_X:
ctx->seen |= SEEN_XREG;
PPC_OR(r_A, r_A, r_X);
break;
- case BPF_S_ALU_OR_K:
+ case BPF_ALU | BPF_OR | BPF_K:
if (IMM_L(K))
PPC_ORI(r_A, r_A, IMM_L(K));
if (K >= 65536)
PPC_ORIS(r_A, r_A, IMM_H(K));
break;
- case BPF_S_ANC_ALU_XOR_X:
- case BPF_S_ALU_XOR_X: /* A ^= X */
+ case BPF_ANC | SKF_AD_ALU_XOR_X:
+ case BPF_ALU | BPF_XOR | BPF_X: /* A ^= X */
ctx->seen |= SEEN_XREG;
PPC_XOR(r_A, r_A, r_X);
break;
- case BPF_S_ALU_XOR_K: /* A ^= K */
+ case BPF_ALU | BPF_XOR | BPF_K: /* A ^= K */
if (IMM_L(K))
PPC_XORI(r_A, r_A, IMM_L(K));
if (K >= 65536)
PPC_XORIS(r_A, r_A, IMM_H(K));
break;
- case BPF_S_ALU_LSH_X: /* A <<= X; */
+ case BPF_ALU | BPF_LSH | BPF_X: /* A <<= X; */
ctx->seen |= SEEN_XREG;
PPC_SLW(r_A, r_A, r_X);
break;
- case BPF_S_ALU_LSH_K:
+ case BPF_ALU | BPF_LSH | BPF_K:
if (K == 0)
break;
else
PPC_SLWI(r_A, r_A, K);
break;
- case BPF_S_ALU_RSH_X: /* A >>= X; */
+ case BPF_ALU | BPF_RSH | BPF_X: /* A >>= X; */
ctx->seen |= SEEN_XREG;
PPC_SRW(r_A, r_A, r_X);
break;
- case BPF_S_ALU_RSH_K: /* A >>= K; */
+ case BPF_ALU | BPF_RSH | BPF_K: /* A >>= K; */
if (K == 0)
break;
else
PPC_SRWI(r_A, r_A, K);
break;
- case BPF_S_ALU_NEG:
+ case BPF_ALU | BPF_NEG:
PPC_NEG(r_A, r_A);
break;
- case BPF_S_RET_K:
+ case BPF_RET | BPF_K:
PPC_LI32(r_ret, K);
if (!K) {
if (ctx->pc_ret0 == -1)
@@ -312,7 +305,7 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_BLR();
}
break;
- case BPF_S_RET_A:
+ case BPF_RET | BPF_A:
PPC_MR(r_ret, r_A);
if (i != flen - 1) {
if (ctx->seen)
@@ -321,53 +314,53 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_BLR();
}
break;
- case BPF_S_MISC_TAX: /* X = A */
+ case BPF_MISC | BPF_TAX: /* X = A */
PPC_MR(r_X, r_A);
break;
- case BPF_S_MISC_TXA: /* A = X */
+ case BPF_MISC | BPF_TXA: /* A = X */
ctx->seen |= SEEN_XREG;
PPC_MR(r_A, r_X);
break;
/*** Constant loads/M[] access ***/
- case BPF_S_LD_IMM: /* A = K */
+ case BPF_LD | BPF_IMM: /* A = K */
PPC_LI32(r_A, K);
break;
- case BPF_S_LDX_IMM: /* X = K */
+ case BPF_LDX | BPF_IMM: /* X = K */
PPC_LI32(r_X, K);
break;
- case BPF_S_LD_MEM: /* A = mem[K] */
+ case BPF_LD | BPF_MEM: /* A = mem[K] */
PPC_MR(r_A, r_M + (K & 0xf));
ctx->seen |= SEEN_MEM | (1<<(K & 0xf));
break;
- case BPF_S_LDX_MEM: /* X = mem[K] */
+ case BPF_LDX | BPF_MEM: /* X = mem[K] */
PPC_MR(r_X, r_M + (K & 0xf));
ctx->seen |= SEEN_MEM | (1<<(K & 0xf));
break;
- case BPF_S_ST: /* mem[K] = A */
+ case BPF_ST: /* mem[K] = A */
PPC_MR(r_M + (K & 0xf), r_A);
ctx->seen |= SEEN_MEM | (1<<(K & 0xf));
break;
- case BPF_S_STX: /* mem[K] = X */
+ case BPF_STX: /* mem[K] = X */
PPC_MR(r_M + (K & 0xf), r_X);
ctx->seen |= SEEN_XREG | SEEN_MEM | (1<<(K & 0xf));
break;
- case BPF_S_LD_W_LEN: /* A = skb->len; */
+ case BPF_LD | BPF_W | BPF_LEN: /* A = skb->len; */
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, len) != 4);
PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, len));
break;
- case BPF_S_LDX_W_LEN: /* X = skb->len; */
+ case BPF_LDX | BPF_W | BPF_LEN: /* X = skb->len; */
PPC_LWZ_OFFS(r_X, r_skb, offsetof(struct sk_buff, len));
break;
/*** Ancillary info loads ***/
- case BPF_S_ANC_PROTOCOL: /* A = ntohs(skb->protocol); */
+ case BPF_ANC | SKF_AD_PROTOCOL: /* A = ntohs(skb->protocol); */
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff,
protocol) != 2);
PPC_NTOHS_OFFS(r_A, r_skb, offsetof(struct sk_buff,
protocol));
break;
- case BPF_S_ANC_IFINDEX:
+ case BPF_ANC | SKF_AD_IFINDEX:
PPC_LD_OFFS(r_scratch1, r_skb, offsetof(struct sk_buff,
dev));
PPC_CMPDI(r_scratch1, 0);
@@ -384,33 +377,33 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_LWZ_OFFS(r_A, r_scratch1,
offsetof(struct net_device, ifindex));
break;
- case BPF_S_ANC_MARK:
+ case BPF_ANC | SKF_AD_MARK:
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, mark) != 4);
PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff,
mark));
break;
- case BPF_S_ANC_RXHASH:
+ case BPF_ANC | SKF_AD_RXHASH:
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, hash) != 4);
PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff,
hash));
break;
- case BPF_S_ANC_VLAN_TAG:
- case BPF_S_ANC_VLAN_TAG_PRESENT:
+ case BPF_ANC | SKF_AD_VLAN_TAG:
+ case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT:
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, vlan_tci) != 2);
PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff,
vlan_tci));
- if (filter[i].code == BPF_S_ANC_VLAN_TAG)
+ if (code == (BPF_ANC | SKF_AD_VLAN_TAG))
PPC_ANDI(r_A, r_A, VLAN_VID_MASK);
else
PPC_ANDI(r_A, r_A, VLAN_TAG_PRESENT);
break;
- case BPF_S_ANC_QUEUE:
+ case BPF_ANC | SKF_AD_QUEUE:
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff,
queue_mapping) != 2);
PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff,
queue_mapping));
break;
- case BPF_S_ANC_CPU:
+ case BPF_ANC | SKF_AD_CPU:
#ifdef CONFIG_SMP
/*
* PACA ptr is r13:
@@ -426,13 +419,13 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
break;
/*** Absolute loads from packet header/data ***/
- case BPF_S_LD_W_ABS:
+ case BPF_LD | BPF_W | BPF_ABS:
func = CHOOSE_LOAD_FUNC(K, sk_load_word);
goto common_load;
- case BPF_S_LD_H_ABS:
+ case BPF_LD | BPF_H | BPF_ABS:
func = CHOOSE_LOAD_FUNC(K, sk_load_half);
goto common_load;
- case BPF_S_LD_B_ABS:
+ case BPF_LD | BPF_B | BPF_ABS:
func = CHOOSE_LOAD_FUNC(K, sk_load_byte);
common_load:
/* Load from [K]. */
@@ -449,13 +442,13 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
break;
/*** Indirect loads from packet header/data ***/
- case BPF_S_LD_W_IND:
+ case BPF_LD | BPF_W | BPF_IND:
func = sk_load_word;
goto common_load_ind;
- case BPF_S_LD_H_IND:
+ case BPF_LD | BPF_H | BPF_IND:
func = sk_load_half;
goto common_load_ind;
- case BPF_S_LD_B_IND:
+ case BPF_LD | BPF_B | BPF_IND:
func = sk_load_byte;
common_load_ind:
/*
@@ -473,31 +466,31 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_BCC(COND_LT, exit_addr);
break;
- case BPF_S_LDX_B_MSH:
+ case BPF_LDX | BPF_B | BPF_MSH:
func = CHOOSE_LOAD_FUNC(K, sk_load_byte_msh);
goto common_load;
break;
/*** Jump and branches ***/
- case BPF_S_JMP_JA:
+ case BPF_JMP | BPF_JA:
if (K != 0)
PPC_JMP(addrs[i + 1 + K]);
break;
- case BPF_S_JMP_JGT_K:
- case BPF_S_JMP_JGT_X:
+ case BPF_JMP | BPF_JGT | BPF_K:
+ case BPF_JMP | BPF_JGT | BPF_X:
true_cond = COND_GT;
goto cond_branch;
- case BPF_S_JMP_JGE_K:
- case BPF_S_JMP_JGE_X:
+ case BPF_JMP | BPF_JGE | BPF_K:
+ case BPF_JMP | BPF_JGE | BPF_X:
true_cond = COND_GE;
goto cond_branch;
- case BPF_S_JMP_JEQ_K:
- case BPF_S_JMP_JEQ_X:
+ case BPF_JMP | BPF_JEQ | BPF_K:
+ case BPF_JMP | BPF_JEQ | BPF_X:
true_cond = COND_EQ;
goto cond_branch;
- case BPF_S_JMP_JSET_K:
- case BPF_S_JMP_JSET_X:
+ case BPF_JMP | BPF_JSET | BPF_K:
+ case BPF_JMP | BPF_JSET | BPF_X:
true_cond = COND_NE;
/* Fall through */
cond_branch:
@@ -508,20 +501,20 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
break;
}
- switch (filter[i].code) {
- case BPF_S_JMP_JGT_X:
- case BPF_S_JMP_JGE_X:
- case BPF_S_JMP_JEQ_X:
+ switch (code) {
+ case BPF_JMP | BPF_JGT | BPF_X:
+ case BPF_JMP | BPF_JGE | BPF_X:
+ case BPF_JMP | BPF_JEQ | BPF_X:
ctx->seen |= SEEN_XREG;
PPC_CMPLW(r_A, r_X);
break;
- case BPF_S_JMP_JSET_X:
+ case BPF_JMP | BPF_JSET | BPF_X:
ctx->seen |= SEEN_XREG;
PPC_AND_DOT(r_scratch1, r_A, r_X);
break;
- case BPF_S_JMP_JEQ_K:
- case BPF_S_JMP_JGT_K:
- case BPF_S_JMP_JGE_K:
+ case BPF_JMP | BPF_JEQ | BPF_K:
+ case BPF_JMP | BPF_JGT | BPF_K:
+ case BPF_JMP | BPF_JGE | BPF_K:
if (K < 32768)
PPC_CMPLWI(r_A, K);
else {
@@ -529,7 +522,7 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_CMPLW(r_A, r_scratch1);
}
break;
- case BPF_S_JMP_JSET_K:
+ case BPF_JMP | BPF_JSET | BPF_K:
if (K < 32768)
/* PPC_ANDI is /only/ dot-form */
PPC_ANDI(r_scratch1, r_A, K);
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 228cf91b91c1..ffd1169ebaab 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -25,7 +25,6 @@
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/phy.h>
-#include <linux/phy_fixed.h>
#include <linux/spi/spi.h>
#include <linux/fsl_devices.h>
#include <linux/fs_enet_pd.h>
@@ -178,37 +177,6 @@ u32 get_baudrate(void)
EXPORT_SYMBOL(get_baudrate);
#endif /* CONFIG_CPM2 */
-#ifdef CONFIG_FIXED_PHY
-static int __init of_add_fixed_phys(void)
-{
- int ret;
- struct device_node *np;
- u32 *fixed_link;
- struct fixed_phy_status status = {};
-
- for_each_node_by_name(np, "ethernet") {
- fixed_link = (u32 *)of_get_property(np, "fixed-link", NULL);
- if (!fixed_link)
- continue;
-
- status.link = 1;
- status.duplex = fixed_link[1];
- status.speed = fixed_link[2];
- status.pause = fixed_link[3];
- status.asym_pause = fixed_link[4];
-
- ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status);
- if (ret) {
- of_node_put(np);
- return ret;
- }
- }
-
- return 0;
-}
-arch_initcall(of_add_fixed_phys);
-#endif /* CONFIG_FIXED_PHY */
-
#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
static __be32 __iomem *rstcr;