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-rw-r--r--c/src/lib/libbsp/riscv/riscv_generic/console/console-io.c177
1 files changed, 0 insertions, 177 deletions
diff --git a/c/src/lib/libbsp/riscv/riscv_generic/console/console-io.c b/c/src/lib/libbsp/riscv/riscv_generic/console/console-io.c
deleted file mode 100644
index ded68ef7d2..0000000000
--- a/c/src/lib/libbsp/riscv/riscv_generic/console/console-io.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * Copyright (c) 2015 University of York.
- * Hesham Almatary <hesham@alumni.york.ac.uk>
- *
- * Copyright (c) 2013, The Regents of the University of California (Regents).
- * All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <bsp.h>
-#include <bsp/console-polled.h>
-#include <rtems/libio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <stdio.h>
-
-/* Most of the code below is copied from riscv-pk project */
-# define TOHOST_CMD(dev, cmd, payload) \
- (((uint64_t)(dev) << 56) | ((uint64_t)(cmd) << 48) | (uint64_t)(payload))
-
-#define FROMHOST_DEV(fromhost_value) ((uint64_t)(fromhost_value) >> 56)
-#define FROMHOST_CMD(fromhost_value) ((uint64_t)(fromhost_value) << 8 >> 56)
-#define FROMHOST_DATA(fromhost_value) ((uint64_t)(fromhost_value) << 16 >> 16)
-
-volatile uint64_t tohost __attribute__((section(".htif")));
-volatile uint64_t fromhost __attribute__((section(".htif")));
-volatile int htif_console_buf;
-
-static void __check_fromhost()
-{
- uint64_t fh = fromhost;
- if (!fh) {
- return;
- }
- fromhost = 0;
-
- // this should be from the console
- assert(FROMHOST_DEV(fh) == 1);
- switch (FROMHOST_CMD(fh)) {
- case 0:
- htif_console_buf = 1 + (uint8_t)FROMHOST_DATA(fh);
- break;
- case 1:
- break;
- default:
- assert(0);
- }
-}
-
-static void __set_tohost(uintptr_t dev, uintptr_t cmd, uintptr_t data)
-{
- while (tohost) {
- __check_fromhost();
- }
- tohost = TOHOST_CMD(dev, cmd, data);
-}
-
-int htif_console_getchar()
-{
- __check_fromhost();
- int ch = htif_console_buf;
- if (ch >= 0) {
- htif_console_buf = -1;
- __set_tohost(1, 0, 0);
- }
-
- return ch - 1;
-}
-
-static void do_tohost_fromhost(uintptr_t dev, uintptr_t cmd, uintptr_t data)
-{
- __set_tohost(dev, cmd, data);
-
- while (1) {
- uint64_t fh = fromhost;
- if (fh) {
- if (FROMHOST_DEV(fh) == dev && FROMHOST_CMD(fh) == cmd) {
- fromhost = 0;
- break;
- }
- __check_fromhost();
- }
- }
-}
-
-void htif_console_putchar(uint8_t ch)
-{
- __set_tohost(1, 1, ch);
-}
-
-void htif_poweroff()
-{
- while (1) {
- fromhost = 0;
- tohost = 1;
- }
-}
-
-void console_initialize_hardware(void)
-{
- /* Do nothing */
-}
-
-static void outbyte_console(char ch)
-{
- htif_console_putchar(ch);
-}
-
-static char inbyte_console(void)
-{
- return htif_console_getchar();
-}
-
-/*
- * console_outbyte_polled
- *
- * This routine transmits a character using polling.
- */
-void console_outbyte_polled(
- int port,
- char ch
-)
-{
- outbyte_console( ch );
-}
-
-/*
- * console_inbyte_nonblocking
- *
- * This routine polls for a character.
- */
-
-int console_inbyte_nonblocking(int port)
-{
- char c;
-
- c = inbyte_console();
- if (!c) {
- return -1;
- }
- return (int) c;
-}
-
-/*
- * To support printk
- */
-
-#include <rtems/bspIo.h>
-
-static void RISCV_output_char(char c)
-{
- console_outbyte_polled( 0, c );
-}
-
-BSP_output_char_function_type BSP_output_char = RISCV_output_char;
-BSP_polling_getchar_function_type BSP_poll_char =
- (void *)console_inbyte_nonblocking;