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authorUros Majstorovic <majstor@majstor.org>2018-01-11 18:03:58 +0100
committerUros Majstorovic <majstor@majstor.org>2018-01-11 18:03:58 +0100
commit0b7db1a4555da3f9a153d72f44bc2a5d070df51f (patch)
treeb2459ed047653d8295472bdc58123c2c7145d828 /code/core/fe310
parentdea99b85dc52341265ae2e8463afee8a9709127a (diff)
fe310 platform introdiced
Diffstat (limited to 'code/core/fe310')
-rw-r--r--code/core/fe310/Makefile20
-rw-r--r--code/core/fe310/time.c18
-rw-r--r--code/core/fe310/transport.c44
-rw-r--r--code/core/fe310/transport.h10
4 files changed, 92 insertions, 0 deletions
diff --git a/code/core/fe310/Makefile b/code/core/fe310/Makefile
new file mode 100644
index 0000000..6dd42e2
--- /dev/null
+++ b/code/core/fe310/Makefile
@@ -0,0 +1,20 @@
+include ../../Makefile.platform
+CFLAGS=$(CFLAGS_PL) $(PIC) -I..
+
+obj_tr = transport.o
+obj_tm = time.o
+
+
+%.o: %.c
+ $(CC) $(CFLAGS) -c $<
+
+all: libecptr.a libecptm.a
+
+libecptr.a: $(obj_tr)
+ $(AR) rcs libecptr.a $(obj_tr)
+
+libecptm.a: $(obj_tm)
+ $(AR) rcs libecptm.a $(obj_tm)
+
+clean:
+ rm -f *.o *.a
diff --git a/code/core/fe310/time.c b/code/core/fe310/time.c
new file mode 100644
index 0000000..2ff98cb
--- /dev/null
+++ b/code/core/fe310/time.c
@@ -0,0 +1,18 @@
+#include <core.h>
+
+#include "encoding.h"
+#include "platform.h"
+
+static ecp_cts_t t_abstime_ms(ecp_cts_t msec) {
+ volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
+
+ uint64_t now_ms = *mtime * 1000 / RTC_FREQ;
+ return now_ms + msec;
+}
+
+int ecp_time_init(ECPTimeIface *t) {
+ t->init = 1;
+ t->abstime_ms = t_abstime_ms;
+ t->sleep_ms = NULL;
+ return 0;
+}
diff --git a/code/core/fe310/transport.c b/code/core/fe310/transport.c
new file mode 100644
index 0000000..7afdbf7
--- /dev/null
+++ b/code/core/fe310/transport.c
@@ -0,0 +1,44 @@
+#include <stddef.h>
+#include <string.h>
+
+#include <core.h>
+
+#include "eos.h"
+#include "net.h"
+
+static int t_addr_eq(ECPNetAddr *addr1, ECPNetAddr *addr2) {
+ if (addr1->port != addr2->port) return 0;
+ if (memcmp(addr1->host, addr2->host, sizeof(addr1->host)) != 0) return 0;
+ return 1;
+}
+
+static int t_open(int *sock, void *addr_s) {
+ *sock = 0;
+ return ECP_OK;
+}
+
+static void t_close(int *sock) {
+}
+
+static ssize_t t_send(int *sock, void *msg, size_t msg_size, ECPNetAddr *addr) {
+ unsigned char *buf = msg;
+ size_t addr_len = sizeof(addr->host) + sizeof(addr->port);
+ uint16_t buf_size = msg_size + addr_len;
+ int rv;
+
+ buf -= addr_len;
+ rv = eos_net_send(EOS_NET_CMD_PKT, buf, buf_size);
+ if (rv) return ECP_ERR_SEND;
+ return msg_size;
+}
+
+int ecp_transport_init(ECPTransportIface *t) {
+ t->init = 1;
+ t->open = t_open;
+ t->close = t_close;
+ t->send = t_send;
+ t->recv = NULL;
+ t->addr_eq = t_addr_eq;
+ t->addr_set = NULL;
+ return ECP_OK;
+}
diff --git a/code/core/fe310/transport.h b/code/core/fe310/transport.h
new file mode 100644
index 0000000..c35e13e
--- /dev/null
+++ b/code/core/fe310/transport.h
@@ -0,0 +1,10 @@
+#include <stdint.h>
+
+#define ECP_IPv4_ADDR_SIZE 4
+
+typedef int ECPNetSock;
+typedef struct ECPNetAddr {
+ unsigned char host[ECP_IPv4_ADDR_SIZE];
+ uint16_t port;
+} ECPNetAddr;
+