Merge branch 'main' of https://git.minres.com/Firmware/Firmwares into main

CMakeLists.txt

@@ -14,6 +14,6 @@ add_custom_target(fw-dhrystone ALL
     USES_TERMINAL
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 add_custom_target(fw-coremark ALL 
-	COMMAND make -C ${riscvfw_SOURCE_DIR}/benchmarks/coremark/cm PORT_DIR=../tgc BOARD=${BOARD} ISA=${ISA}
+	COMMAND make -C ${riscvfw_SOURCE_DIR}/benchmarks/coremark BOARD=${BOARD} ISA=${ISA}
     USES_TERMINAL
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})

Jenkinsfile

@@ -47,13 +47,13 @@ pipeline {
         stage('make TGC5L') {steps { make_hello("TGC5L")}}
         stage('make rtl') {steps { make_hello("rtl")}}
         stage('make ehrenberg') {steps { make_hello("ehrenberg")}}
-        stage('make tgc-vp') {steps { make_hello("tgc-vp")}}*/
+        stage('make tgc_vp') {steps { make_hello("tgc_vp")}}*/
         stage('make hello-world') {
             matrix {
                 axes {
                     axis{
                         name 'BOARD'
-                        values 'iss', 'hifive1', 'TGC5L', 'ehrenberg', 'rtl', 'tgc-vp'
+                        values 'iss', 'hifive1', 'TGCP', 'ehrenberg', 'rtl', 'tgc_vp'
                     }
                 }
                 stages {

README.md

@@ -1,2 +1,3 @@
 # Firmware
 
+Using `make clean && bear -- make ` will cause a correct compile_commands.json to be emitted. This allows using completion tools like clangd. 

bare-metal-bsp

@@ -1 +1 @@
-Subproject commit 1d55083a554450075164af01810361dd37338930
+Subproject commit 87dc0ec2304adcb94a25b397a357aadae1304867

benchmarks/coremark/.gitignore

@@ -1,3 +1,4 @@
 *.o
 *.elf
 *.log
+/coremark.*

benchmarks/coremark/Makefile

@@ -0,0 +1,33 @@
+TARGET := coremark
+ISA?=imc
+ITERATIONS?=600 # 300 for TGC
+
+ASM_SRCS := 
+C_SRCS := core_list_join.c core_main.c core_matrix.c core_state.c core_util.c core_portme.c ee_printf.c
+HEADERS := cm/coremark.h
+
+vpath %.c cm
+
+BOARD?=iss
+LINK_TARGET=link
+
+RISCV_ARCH:=rv32$(ISA)
+ifeq ($(ISA),e)
+    RISCV_ABI:=ilp32e
+else
+    RISCV_ABI:=ilp32
+endif
+
+PORT_CFLAGS = -DPERFORMANCE_RUN=1 -DCLOCKS_PER_SEC=10000000 -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
+PORT_CFLAGS+= -g -O3 -fno-common -funroll-loops -finline-functions -falign-functions=16 -falign-jumps=4 -falign-loops=4 -finline-limit=1000 -fno-if-conversion2 -fselective-scheduling -fno-crossjumping -freorder-blocks-and-partition
+
+FLAGS_STR = "$(PORT_CFLAGS) $(XCFLAGS) $(XLFLAGS) $(LFLAGS_END)"
+
+CFLAGS = $(PORT_CFLAGS) -I. -Icm -DFLAGS_STR=\"$(FLAGS_STR)\"
+CFLAGS += -DITERATIONS=$(ITERATIONS)
+LDFLAGS := -g -Wl,--wrap=scanf -Wl,--wrap=printf -Wl,--wrap=exit -lgcc -lm
+
+TOOL_DIR=$(dir $(compiler))
+
+BSP_BASE = ../../bare-metal-bsp
+include $(BSP_BASE)/env/common-gcc.mk

benchmarks/coremark/core_portme.c

@@ -186,6 +186,7 @@ portable_init(core_portable *p, int *argc, char *argv[])
         ee_printf("ERROR! Please define ee_u32 to a 32b unsigned type!\n");
     }
     p->portable_id = 1;
+    ee_printf("portable_init finished.\n");
 }
 /* Function : portable_fini
         Target specific final code

benchmarks/coremark/ee_printf.c

@@ -659,24 +659,28 @@ ee_vsprintf(char *buf, const char *fmt, va_list args)
     return str - buf;
 }
 
-#define UART0_BASE_ADDR 0xffff0000ULL
+#include <platform.h>
-
-#define UART_REG_TXFIFO         0x00
-#define UART_REG_RXFIFO         0x04
-#define UART_REG_TXCTRL         0x08
-#define UART_REG_RXCTRL         0x0c
-#define UART_REG_IE             0x10
-#define UART_REG_IP             0x14
-#define UART_REG_DIV            0x18
-#define UART_TXEN               0x1
-
-#define UART0_REG(ADDR) *((ee_u32*) (UART0_BASE_ADDR + ADDR))
 
 void
 uart_send_char(char c)
 {
+#if defined(BOARD_ehrenberg)
+            while (get_uart_rx_tx_reg_tx_free(uart)==0) ;
+            uart_write(uart, c);
+            if (c == '\n') {
+                while (get_uart_rx_tx_reg_tx_free(uart)==0) ;
+                uart_write(uart, '\r');
+            }
+#elif defined(BOARD_iss)
+            *((uint32_t*) 0xFFFF0000) = c;
+#else
             while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
-      UART0_REG(UART_REG_TXFIFO) = (unsigned char)c;
+            UART0_REG(UART_REG_TXFIFO) = c;
+            if (c == '\n') {
+                while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
+                UART0_REG(UART_REG_TXFIFO) = '\r';
+            }
+#endif
 }
 
 int

benchmarks/coremark/tgc/core_portme.mak

@@ -1,94 +0,0 @@
-# Copyright 2018 Embedded Microprocessor Benchmark Consortium (EEMBC)
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# 
-# Original Author: Shay Gal-on
-
-#File : core_portme.mak
-ISA?=imc
-RISCV_ARCH:=rv32$(ISA)_zicsr_zifencei
-RISCV_ABI:=ilp32
-TRIPLET?=riscv64-unknown-elf
-# Flag : OUTFLAG
-#	Use this flag to define how to to get an executable (e.g -o)
-OUTFLAG= -o
-# Flag : CC
-#	Use this flag to define compiler to use
-CC 		= $(TRIPLET)-gcc
-# Flag : LD
-#	Use this flag to define compiler to use
-LD		= $(TRIPLET)-gcc
-# Flag : AS
-#	Use this flag to define compiler to use
-AS		= $(TRIPLET)-as
-# Flag : CFLAGS
-#	Use this flag to define compiler options. Note, you can add compiler options from the command line using XCFLAGS="other flags"
-PORT_CFLAGS = -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -O3 -DCLOCKS_PER_SEC=10000000 -nostdlib -nostartfiles -nodefaultlibs \
- -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las -flto
-FLAGS_STR = "$(PORT_CFLAGS) $(XCFLAGS) $(XLFLAGS) $(LFLAGS_END)"
-CFLAGS = $(PORT_CFLAGS) -I$(PORT_DIR) -I. -DFLAGS_STR=\"$(FLAGS_STR)\" 
-#Flag : LFLAGS_END
-#	Define any libraries needed for linking or other flags that should come at the end of the link line (e.g. linker scripts). 
-#	Note : On certain platforms, the default clock_gettime implementation is supported but requires linking of librt.
-SEPARATE_COMPILE=1
-# Flag : SEPARATE_COMPILE
-# You must also define below how to create an object file, and how to link.
-OBJOUT 	= -o
-LFLAGS 	= -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) 
-#--specs=nano.specs -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) 
-ASFLAGS =
-OFLAG 	= -o
-COUT 	= -c
-
-LFLAGS_END = 
-# Flag : PORT_SRCS
-# 	Port specific source files can be added here
-#	You may also need cvt.c if the fcvt functions are not provided as intrinsics by your compiler!
-PORT_SRCS = $(PORT_DIR)/core_portme.c $(PORT_DIR)/ee_printf.c
-vpath %.c $(PORT_DIR)
-vpath %.s $(PORT_DIR)
-PORT_OBJS = core_portme.o ee_printf.o
-# Flag : LOAD
-#	For a simple port, we assume self hosted compile and run, no load needed.
-
-# Flag : RUN
-#	For a simple port, we assume self hosted compile and run, simple invocation of the executable
-
-LOAD = echo ""
-RUN = echo ""
-
-OEXT = .o
-EXE = .elf
-
-$(OPATH)$(PORT_DIR)/%$(OEXT) : %.c
-	$(CC) $(CFLAGS) $(XCFLAGS) $(COUT) $< $(OBJOUT) $@
-
-$(OPATH)%$(OEXT) : %.c
-	$(CC) $(CFLAGS) $(XCFLAGS) $(COUT) $< $(OBJOUT) $@
-
-$(OPATH)$(PORT_DIR)/%$(OEXT) : %.s
-	$(AS) $(ASFLAGS) $< $(OBJOUT) $@
-
-# Target : port_pre% and port_post%
-# For the purpose of this simple port, no pre or post steps needed.
-
-.PHONY : port_prebuild port_postbuild port_prerun port_postrun port_preload port_postload
-port_pre% port_post% : 
-
-# FLAG : OPATH
-# Path to the output folder. Default - current folder.
-OPATH = ./
-MKDIR = mkdir -p
-
-dist-clean: clean
-	rm -f *.o

benchmarks/coremark/tgc/tgc.lds

@@ -1,241 +0,0 @@
-OUTPUT_FORMAT("elf32-littleriscv", "elf32-littleriscv", "elf32-littleriscv")
-OUTPUT_ARCH(riscv)
-MEMORY
-{
-   RAM (rwx)  : ORIGIN = 0x0, LENGTH = 128M 
-}
-
-ENTRY(_start)
-
-SECTIONS
-{
-  /* Read-only sections, merged into text segment: */
-  .interp         : { *(.interp) }
-  .note.gnu.build-id  : { *(.note.gnu.build-id) }
-  .hash           : { *(.hash) }
-  .gnu.hash       : { *(.gnu.hash) }
-  .dynsym         : { *(.dynsym) }
-  .dynstr         : { *(.dynstr) }
-  .gnu.version    : { *(.gnu.version) }
-  .gnu.version_d  : { *(.gnu.version_d) }
-  .gnu.version_r  : { *(.gnu.version_r) }
-  .rela.dyn       :
-    {
-      *(.rela.init)
-      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
-      *(.rela.fini)
-      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
-      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
-      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
-      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
-      *(.rela.ctors)
-      *(.rela.dtors)
-      *(.rela.got)
-      *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
-      *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
-      *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
-      *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
-      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
-      PROVIDE_HIDDEN (__rela_iplt_start = .);
-      *(.rela.iplt)
-      PROVIDE_HIDDEN (__rela_iplt_end = .);
-    }
-  .rela.plt       :
-    {
-      *(.rela.plt)
-    }
-  .plt            : { *(.plt) }
-  .iplt           : { *(.iplt) }
-  .init           :
-  {
-    KEEP (*(SORT_NONE(.init)))
-    *crt0.o(.text .text.*)
-  } > RAM
-  .text      :
-  {
-    *(.text.init)
-    *(.text.unlikely .text.*_unlikely .text.unlikely.*)
-    *(.text.exit .text.exit.*)
-    *(.text.startup .text.startup.*)
-    *(.text.hot .text.hot.*)
-    *(.text .stub .text.* .gnu.linkonce.t.*)
-    /* .gnu.warning sections are handled specially by elf32.em.  */
-    *(.gnu.warning)
-  }
-  .fini           :
-  {
-    KEEP (*(SORT_NONE(.fini)))
-  }
-  PROVIDE (__etext = .);
-  PROVIDE (_etext = .);
-  PROVIDE (etext = .);
-  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
-  .rodata1        : { *(.rodata1) }
-  .sdata2         :
-  {
-    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
-  }
-  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
-  .eh_frame_hdr   : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) }
-  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) }
-  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
-  .gnu_extab   : ONLY_IF_RO { *(.gnu_extab*) }
-  /* These sections are generated by the Sun/Oracle C++ compiler.  */
-  .exception_ranges   : ONLY_IF_RO { *(.exception_ranges*) }
-  /* Adjust the address for the data segment.  We want to adjust up to
-     the same address within the page on the next page up.  */
-  . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
-  /* Exception handling  */
-  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
-  .gnu_extab      : ONLY_IF_RW { *(.gnu_extab) }
-  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
-  .exception_ranges   : ONLY_IF_RW { *(.exception_ranges*) }
-  /* Thread Local Storage sections  */
-  .tdata	  :
-   {
-     PROVIDE_HIDDEN (__tdata_start = .);
-     *(.tdata .tdata.* .gnu.linkonce.td.*)
-   }
-  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
-  .preinit_array    :
-  {
-    PROVIDE_HIDDEN (__preinit_array_start = .);
-    KEEP (*(.preinit_array))
-    PROVIDE_HIDDEN (__preinit_array_end = .);
-  }
-  .init_array    :
-  {
-    PROVIDE_HIDDEN (__init_array_start = .);
-    KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
-    KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
-    PROVIDE_HIDDEN (__init_array_end = .);
-  }
-  .fini_array    :
-  {
-    PROVIDE_HIDDEN (__fini_array_start = .);
-    KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
-    KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
-    PROVIDE_HIDDEN (__fini_array_end = .);
-  }
-  .ctors          :
-  {
-    /* gcc uses crtbegin.o to find the start of
-       the constructors, so we make sure it is
-       first.  Because this is a wildcard, it
-       doesn't matter if the user does not
-       actually link against crtbegin.o; the
-       linker won't look for a file to match a
-       wildcard.  The wildcard also means that it
-       doesn't matter which directory crtbegin.o
-       is in.  */
-    KEEP (*crtbegin.o(.ctors))
-    KEEP (*crtbegin?.o(.ctors))
-    /* We don't want to include the .ctor section from
-       the crtend.o file until after the sorted ctors.
-       The .ctor section from the crtend file contains the
-       end of ctors marker and it must be last */
-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
-    KEEP (*(SORT(.ctors.*)))
-    KEEP (*(.ctors))
-  }
-  .dtors          :
-  {
-    KEEP (*crtbegin.o(.dtors))
-    KEEP (*crtbegin?.o(.dtors))
-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
-    KEEP (*(SORT(.dtors.*)))
-    KEEP (*(.dtors))
-  }
-  .jcr            : { KEEP (*(.jcr)) }
-  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
-  .dynamic        : { *(.dynamic) }
-  . = DATA_SEGMENT_RELRO_END (0, .);
-  .data           :
-  {
-    __DATA_BEGIN__ = .;
-    *(.data .data.* .gnu.linkonce.d.*)
-    SORT(CONSTRUCTORS)
-  }
-  .data1          : { *(.data1) }
-  .got            : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
-  /* We want the small data sections together, so single-instruction offsets
-     can access them all, and initialized data all before uninitialized, so
-     we can shorten the on-disk segment size.  */
-  .sdata          :
-  {
-    __SDATA_BEGIN__ = .;
-    *(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata .srodata.*)
-    *(.sdata .sdata.* .gnu.linkonce.s.*)
-  }
-  _edata = .; PROVIDE (edata = .);
-  . = .;
-  __bss_start = .;
-  .sbss           :
-  {
-    *(.dynsbss)
-    *(.sbss .sbss.* .gnu.linkonce.sb.*)
-    *(.scommon)
-  }
-  .bss            :
-  {
-   *(.dynbss)
-   *(.bss .bss.* .gnu.linkonce.b.*)
-   *(COMMON)
-   /* Align here to ensure that the .bss section occupies space up to
-      _end.  Align after .bss to ensure correct alignment even if the
-      .bss section disappears because there are no input sections.
-      FIXME: Why do we need it? When there is no .bss section, we do not
-      pad the .data section.  */
-   . = ALIGN(. != 0 ? 32 / 8 : 1);
-  }
-  . = ALIGN(32 / 8);
-  . = SEGMENT_START("ldata-segment", .);
-  . = ALIGN(32 / 8);
-  __BSS_END__ = .;
-    __global_pointer$ = MIN(__SDATA_BEGIN__ + 0x800,
-		            MAX(__DATA_BEGIN__ + 0x800, __BSS_END__ - 0x800));
-  _end = .; PROVIDE (end = .);
-  . = DATA_SEGMENT_END (.);
-  /* Stabs debugging sections.  */
-  .stab          0 : { *(.stab) }
-  .stabstr       0 : { *(.stabstr) }
-  .stab.excl     0 : { *(.stab.excl) }
-  .stab.exclstr  0 : { *(.stab.exclstr) }
-  .stab.index    0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment       0 : { *(.comment) }
-  .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) }
-  /* DWARF debug sections.
-     Symbols in the DWARF debugging sections are relative to the beginning
-     of the section so we begin them at 0.  */
-  /* DWARF 1 */
-  .debug          0 : { *(.debug) }
-  .line           0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end) }
-  .debug_frame    0 : { *(.debug_frame) }
-  .debug_str      0 : { *(.debug_str) }
-  .debug_loc      0 : { *(.debug_loc) }
-  .debug_macinfo  0 : { *(.debug_macinfo) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames 0 : { *(.debug_weaknames) }
-  .debug_funcnames 0 : { *(.debug_funcnames) }
-  .debug_typenames 0 : { *(.debug_typenames) }
-  .debug_varnames  0 : { *(.debug_varnames) }
-  /* DWARF 3 */
-  .debug_pubtypes 0 : { *(.debug_pubtypes) }
-  .debug_ranges   0 : { *(.debug_ranges) }
-  /* DWARF Extension.  */
-  .debug_macro    0 : { *(.debug_macro) }
-  .debug_addr     0 : { *(.debug_addr) }
-  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
-  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
-}

benchmarks/dhrystone/Makefile

@@ -1,11 +1,12 @@
 TARGET := dhrystone
 ISA?=imc
+ITERATIONS?=50000 # 20000 for TGC
 
 ASM_SRCS := 
-C_SRCS := dhry_stubs.c dhry_printf.c dhry_1.c dhry_2.c
+C_SRCS := dhry_stubs.c dhry_1.c dhry_2.c
 HEADERS := dhry.h
 
-BOARD=iss
+BOARD?=iss
 LINK_TARGET=link
 RISCV_ARCH:=rv32$(ISA)
 ifeq ($(ISA),e)
@@ -14,7 +15,7 @@ else
     RISCV_ABI:=ilp32
 endif
 # '-lgcc -lm' are needed to add softfloat routines
-CFLAGS  := -g -march=$(RISCV_ARCH)_zicsr_zifencei -mabi=$(RISCV_ABI) -mcmodel=medlow -O3 -DHZ=32768 -DTIME -DNO_INIT -fno-inline -fno-builtin-printf -fno-common -Wno-implicit \
+CFLAGS  := -g -march=$(RISCV_ARCH)_zicsr_zifencei -mabi=$(RISCV_ABI) -mcmodel=medlow -O3 -DITERATIONS=$(ITERATIONS) -DHZ=32768 -DTIME -DNO_INIT -fno-inline -fno-builtin-printf -fno-common -Wno-implicit \
  -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las
 LDFLAGS := -g -march=$(RISCV_ARCH)_zicsr_zifencei -mabi=$(RISCV_ABI) -mcmodel=medlow -Wl,--wrap=scanf -Wl,--wrap=printf -Wl,--wrap=exit -lgcc -lm
 

benchmarks/dhrystone/dhry_printf.c

@@ -1,15 +0,0 @@
-/* The functions in this file are only meant to support Dhrystone on an
- * embedded RV32 system and are obviously incorrect in general. */
-
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <unistd.h>
-
-//#undef putchar
-//int putchar(int ch)
-//{
-//  return write(1, &ch, 1) == 1 ? ch : -1;
-//}

benchmarks/dhrystone/dhry_stubs.c

@@ -1,4 +1,7 @@
 #include "platform.h"
+#ifndef ITERATIONS
+#define ITERATIONS 20000
+#endif
 
 /* The functions in this file are only meant to support Dhrystone on an
  * embedded RV32 system and are obviously incorrect in general. */
@@ -11,7 +14,7 @@ long time(void)
 // set the number of dhrystone iterations
 void __wrap_scanf(const char* fmt, int* n)
 {
-  *n = 200000;
+  *n = ITERATIONS;
 }
 
 extern volatile uint32_t tohost;

hello-world/wrap_stubs.c

@@ -1,15 +0,0 @@
-#include "platform.h"
-
-/* The functions in this file are only meant to support Dhrystone on an
- * embedded RV32 system and are obviously incorrect in general. */
-
-long time(void)
-{
-  return get_timer_value() / get_timer_freq();
-}
-
-// set the number of dhrystone iterations
-void __wrap_scanf(const char* fmt, int* n)
-{
-  *n = 100000000;
-}