Changeset 5f4c41b2 in mainline

Timestamp:

2017-11-26T02:41:55Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f4cfd271

Parents:

9940ce0

Message:

Move sending side of Sun4v console out of output server.

Location:

uspace

Files:

• drv/char/ski-con/ski-con.c (modified) (2 diffs)
• drv/char/sun4v-con/sun4v-con.c (modified) (5 diffs)
• srv/hid/output/Makefile (modified) (1 diff)
• srv/hid/output/output.c (modified) (2 diffs)
• srv/hid/output/port/chardev.c (modified) (2 diffs)
• srv/hid/output/port/niagara.c (deleted)
• srv/hid/output/port/niagara.h (deleted)

uspace/drv/char/ski-con/ski-con.c

@@ -193 +193 @@
 static void ski_con_putchar(ski_con_t *con, char ch)
 {
+        if (ch == '\n')
+                ski_con_putchar(con, '\r');
+
 #ifdef UARCH_ia64
         asm volatile (
@@ -205 +208 @@
         (void) ch;
 #endif
-        if (ch == '\n')
-                ski_con_putchar(con, '\r');
 }
 

uspace/drv/char/sun4v-con/sun4v-con.c

@@ -38 +38 @@
 #include <io/chardev_srv.h>
 #include <stdbool.h>
-#include <thread.h>
+#include <sysinfo.h>
 
 #include "sun4v-con.h"
@@ -59 +59 @@
 } __attribute__((packed)) __attribute__((aligned(PAGE_SIZE))) *input_buffer_t;
 
+#define OUTPUT_FIFO_SIZE  ((PAGE_SIZE) - 2 * sizeof(uint64_t))
+
+typedef volatile struct {
+        uint64_t read_ptr;
+        uint64_t write_ptr;
+        char data[OUTPUT_FIFO_SIZE];
+} __attribute__((packed)) output_fifo_t;
+
 /* virtual address of the shared buffer */
 static input_buffer_t input_buffer;
+static output_fifo_t *output_fifo;
 
 static int sun4v_con_read(chardev_srv_t *, void *, size_t, size_t *);
@@ -72 +81 @@
 static void sun4v_con_putchar(sun4v_con_t *con, uint8_t data)
 {
-        (void) con;
-        (void) data;
+        if (data == '\n')
+                sun4v_con_putchar(con, '\r');
+
+        while (output_fifo->write_ptr ==
+            (output_fifo->read_ptr + OUTPUT_FIFO_SIZE - 1)
+            % OUTPUT_FIFO_SIZE);
+
+        output_fifo->data[output_fifo->write_ptr] = data;
+        output_fifo->write_ptr =
+            ((output_fifo->write_ptr) + 1) % OUTPUT_FIFO_SIZE;
 }
 
@@ -105 +122 @@
         }
 
+        sysarg_t paddr;
+        rc = sysinfo_get_value("niagara.outbuf.address", &paddr);
+        if (rc != EOK) {
+                ddf_msg(LVL_ERROR, "Outbuf address information not found");
+                return rc;
+        }
+
+        output_fifo = (output_fifo_t *) AS_AREA_ANY;
+
+        rc = physmem_map(paddr, 1, AS_AREA_READ | AS_AREA_WRITE,
+            (void *) &output_fifo);
+        if (rc != EOK) {
+                ddf_msg(LVL_ERROR, "Error mapping memory: %d", rc);
+                return rc;
+        }
+
         rc = ddf_fun_bind(fun);
         if (rc != EOK) {
@@ -111 +144 @@
         }
 
+        ddf_fun_add_to_category(fun, "console");
+
         return EOK;
 error:
-        /* XXX Clean up thread */
-
         if (input_buffer != (input_buffer_t) AS_AREA_ANY)
                 physmem_unmap((void *) input_buffer);

uspace/srv/hid/output/Makefile

@@ -36 +36 @@
         port/ega.c \
         port/kchar.c \
-        port/niagara.c \
         port/chardev.c \
         proto/vt100.c \

uspace/srv/hid/output/output.c

@@ -37 +37 @@
 #include "port/ega.h"
 #include "port/kchar.h"
-#include "port/niagara.h"
 #include "port/chardev.h"
 #include "output.h"
@@ -479 +478 @@
                 ega_init();
                 kchar_init();
-                niagara_init();
         }
         

uspace/srv/hid/output/port/chardev.c

@@ -151 +151 @@
         }
 
+        printf("%s: Connecting service %zu\n", NAME, sid);
+        char *name;
+        rc = loc_service_get_name(sid, &name);
+        if (rc != EOK) {
+                fibril_mutex_unlock(&discovery_lock);
+                return;
+        }
+        printf("%s: Service name is %s\n", NAME, name);
+        free(name);
+
         sess = loc_service_connect(sid, INTERFACE_DDF, IPC_FLAG_BLOCKING);
         if (!sess) {
@@ -176 +186 @@
         if (!config_key_exists("console")) {
                 console = NULL;
-#ifndef MACHINE_ski
+#ifdef MACHINE_ski
+                /* OK */
+#elif defined(UARCH_sparc64) && defined(PROCESSOR_sun4v)
+                /* OK */
+#else
                 return EOK;
 #endif