env/iss/CMakeLists.txt

@@ -0,0 +1,30 @@
+#cmake_minimum_required(VERSION 3.12)
+project(iss)
+message(STATUS " here in iss")
+
+# Create library for ISS board support
+add_library(board_iss STATIC
+    init.c
+    write.c
+)
+
+# Include directories
+target_include_directories(board_iss PUBLIC
+    ${BSP_BASE}/include
+    ${BSP_BASE}/env
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+# Set compile options
+target_compile_options(board_iss PRIVATE
+    -march=${RISCV_ARCH}_zicsr_zifencei
+    -mabi=${RISCV_ABI}
+    -mcmodel=medany
+    -ffunction-sections
+    -fdata-sections
+)
+
+# Add compile definitions
+target_compile_definitions(board_iss PRIVATE
+    BOARD_${BOARD}
+)

env/moonlight/bsp_read.c

@@ -1,4 +1,3 @@
-#include "platform.h"
 #include <stdint.h>
 #include <stdio.h>
 #include <sys/types.h>
@@ -6,15 +5,14 @@
 
 ssize_t _bsp_read(int fd, void *ptr, size_t len) {
   uint8_t *current = (uint8_t *)ptr;
+  volatile uint32_t *uart_rx = (uint32_t *)0xFFFF0000;
   ssize_t result = 0;
   if (isatty(fd)) {
-    for (current = (uint8_t *)ptr; (current < ((uint8_t *)ptr) + len) &&
+    for (current = (uint8_t *)ptr; (current < ((uint8_t *)ptr) + len);
-                                   (get_uart_rx_tx_reg_rx_avail(uart) > 0);
          current++) {
-      *current = uart_read(uart);
+      *current = *uart_rx;
       result++;
     }
-
     return result;
   }
   return EOF;

env/moonlight/bsp_write.c

@@ -1,6 +1,5 @@
 /* See LICENSE of license details. */
 
-#include "platform.h"
 #include <errno.h>
 #include <stdint.h>
 #include <sys/types.h>
@@ -10,12 +9,10 @@ ssize_t _bsp_write(int fd, const void *ptr, size_t len) {
   const uint8_t *current = (const uint8_t *)ptr;
   if (isatty(fd)) {
     for (size_t jj = 0; jj < len; jj++) {
-      uart_write(uart, current[jj]);
+      *((uint32_t *)0xFFFF0000) = current[jj];
-      if (current[jj] == '\n') {
-        uart_write(uart, '\r');
-      }
     }
     return len;
   }
+
   return 1;
 }

libwrap/CMakeLists.txt

@@ -36,6 +36,5 @@ foreach(FILE ${LIB_SOURCES})
 endforeach()
 
 add_library(wrap STATIC ${LIB_SOURCES} ../env/${BOARD_BASE}/bsp_write.c ../env/${BOARD_BASE}/bsp_read.c)
-target_include_directories(wrap PUBLIC ../include)
 target_link_options(wrap INTERFACE ${WRAP_ARGS})