[BSP] cleanup for hifive1 bsp.

bsp/hifive1/rtconfig.py

@@ -10,14 +10,7 @@ if os.getenv('RTT_CC'):
 
 if  CROSS_TOOL == 'gcc':
     PLATFORM    = 'gcc'
-   # EXEC_PATH  = 'D:/ArdaArmTools/Sourcery_Lite/bin'
     EXEC_PATH   = '/home/zj/risc-v/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6/bin'
-elif CROSS_TOOL == 'keil':
-    PLATFORM    = 'armcc'
-    EXEC_PATH   = 'C:/Keil_v5'
-elif CROSS_TOOL == 'iar':
-    PLATFORM    = 'iar'
-    IAR_PATH    = 'C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.0'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -33,8 +26,7 @@ TARGET_NAME = 'rtthread.bin'
 #------- GCC settings ----------------------------------------------------------
 if PLATFORM == 'gcc':
     # toolchains
-    PREFIX = '/home/zj/risc-v/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6/bin/riscv64-unknown-elf-'
-    #PREFIX = 'arm-none-linux-gnueabi-'
+    PREFIX = 'riscv64-unknown-elf-'
     CC = PREFIX + 'gcc'
     AS = PREFIX + 'gcc'
     AR = PREFIX + 'ar'
@@ -45,9 +37,7 @@ if PLATFORM == 'gcc':
     OBJCPY = PREFIX + 'objcopy'
 
     DEVICE = ' -march=rv32imac -mabi=ilp32 -DUSE_PLIC -DUSE_M_TIME -mcmodel=medany -msmall-data-limit=8  -g -L.  -nostartfiles  -lc '
-#    DEVICE += '-Wl,--wrap=malloc -Wl,--wrap=free -Wl,--wrap=open -Wl,--wrap=lseek -Wl,--wrap=read -Wl,--wrap=write -Wl,--wrap=fstat -Wl,--wrap=stat -Wl,--wrap=close -Wl,--wrap=link -Wl,--wrap=unlink -Wl,--wrap=execve -Wl,--wrap=fork -Wl,--wrap=getpid -Wl,--wrap=kill -Wl,--wrap=wait -Wl,--wrap=isatty -Wl,--wrap=times -Wl,--wrap=sbrk -Wl,--wrap=_exit'
     CFLAGS = DEVICE
-#    CFLAGS += ' -I ./mx28_registers/'
     CFLAGS += ''
     AFLAGS = '-c'+ DEVICE + ' -x assembler-with-cpp'
     AFLAGS += ' -Iplatform'
@@ -66,77 +56,3 @@ if PLATFORM == 'gcc':
 
     POST_ACTION = OBJCPY + ' -O binary $TARGET ' + TARGET_NAME + '\n' 
     POST_ACTION += SIZE + ' $TARGET\n'
-#------- Keil settings ---------------------------------------------------------
-elif PLATFORM == 'armcc':
-    # toolchains
-    CC = 'armcc'
-    AS = 'armasm'
-    AR = 'armar'
-    LINK = 'armlink'
-    TARGET_EXT = 'axf'
-    EXEC_PATH += '/arm/armcc/bin/'
-
-    DEVICE = ' --cpu=' + CORE
-    CFLAGS = DEVICE + ' --apcs=interwork --diag_suppress=870'
-    AFLAGS = DEVICE + ' -Iplatform'
-    LFLAGS = DEVICE + ' --strict'
-    LFLAGS += ' --info sizes --info totals --info unused --info veneers'
-    LFLAGS += ' --list ' + MAP_FILE
-    LFLAGS += ' --scatter  ' + LINK_FILE + '.scat'
-
-    if BUILD == 'debug':
-        CFLAGS += ' -g -O0'
-        AFLAGS += ' -g'
-    else:
-        CFLAGS += ' -O2'
-
-    POST_ACTION = 'fromelf --bin $TARGET --output ' + TARGET_NAME + ' \n'
-    POST_ACTION += 'fromelf -z $TARGET\n'
-#------- IAR settings ----------------------------------------------------------
-elif PLATFORM == 'iar':
-    # toolchains
-    CC = 'iccarm'
-    AS = 'iasmarm'
-    AR = 'iarchive'
-    LINK = 'ilinkarm'
-    TARGET_EXT = 'axf'
-
-    DEVICE = CORE
-
-    CFLAGS = '--cpu=' + DEVICE
-    CFLAGS += ' --diag_suppress Pa050'
-    CFLAGS += ' --no_cse'
-    CFLAGS += ' --no_unroll'
-    CFLAGS += ' --no_inline'
-    CFLAGS += ' --no_code_motion'
-    CFLAGS += ' --no_tbaa'
-    CFLAGS += ' --no_clustering'
-    CFLAGS += ' --no_scheduling'
-
-    CFLAGS += ' --endian=little'
-    CFLAGS += ' -e'
-    CFLAGS += ' --fpu=none'
-    CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/c/DLib_Config_Normal.h"'
-    CFLAGS += ' --silent'
-
-    AFLAGS = '--cpu '+ DEVICE
-    AFLAGS += ' -s+'
-    AFLAGS += ' -w+'
-    AFLAGS += ' -r'
-    AFLAGS += ' --fpu none'
-    AFLAGS += ' -S'
-    AFLAGS += ' -Iplatform'
-    
-    if BUILD == 'debug':
-        CFLAGS += ' --debug'
-        CFLAGS += ' -On'
-    else:
-        CFLAGS += ' -Oh'
-
-    LFLAGS = '--config ' + LINK_FILE +'.icf'
-    LFLAGS += ' --entry __iar_program_start'
-    LFLAGS += ' --map ' + MAP_FILE
-    LFLAGS += ' --silent'
-
-    EXEC_PATH = IAR_PATH + '/arm/bin/'
-    POST_ACTION = 'ielftool  --silent --bin $TARGET ' + TARGET_NAME

libcpu/risc-v/e310/start_gcc.S

@@ -21,7 +21,7 @@
 ; * Date           Author       Notes
 ; * 2017-07-16     zhangjun    for hifive1
 ; */
-#include <sifive/smp.h>
+#include "sifive/smp.h"
 #define CLINT_CTRL_ADDR 0x02000000
 
 .section .init
@@ -29,116 +29,116 @@
 .type _start,@function
 
 _start:
-	.cfi_startproc
-	.cfi_undefined ra
+    .cfi_startproc
+    .cfi_undefined ra
 .option push
 .option norelax
-	la gp, __global_pointer$
+    la gp, __global_pointer$
 .option pop
-	la sp, _sp
+    la sp, _sp
 /*
  *disable all interrupt at startup
  */
-	csrrc a5, mstatus, 0xb
+    csrrc a5, mstatus, 0xb
 
 #if defined(ENABLE_SMP)
-	smp_pause(t0, t1)
+    smp_pause(t0, t1)
 #endif
 
-	/* Load data section */
-	la a0, _data_lma
-	la a1, _data
-	la a2, _edata
-	bgeu a1, a2, 2f
+    /* Load data section */
+    la a0, _data_lma
+    la a1, _data
+    la a2, _edata
+    bgeu a1, a2, 2f
 1:
-	lw t0, (a0)
-	sw t0, (a1)
-	addi a0, a0, 4
-	addi a1, a1, 4
-	bltu a1, a2, 1b
+    lw t0, (a0)
+    sw t0, (a1)
+    addi a0, a0, 4
+    addi a1, a1, 4
+    bltu a1, a2, 1b
 2:
 
-	/* Clear bss section */
-	la a0, __bss_start
-	la a1, _end
-	bgeu a0, a1, 2f
+    /* Clear bss section */
+    la a0, __bss_start
+    la a1, _end
+    bgeu a0, a1, 2f
 1:
-	sw zero, (a0)
-	addi a0, a0, 4
-	bltu a0, a1, 1b
+    sw zero, (a0)
+    addi a0, a0, 4
+    bltu a0, a1, 1b
 2:
 
-	/* Call global constructors */
-	la a0, __libc_fini_array
-	call atexit
-	call __libc_init_array
-	/*call _init directly in rt-thread*/
+    /* Call global constructors */
+    la a0, __libc_fini_array
+    call atexit
+    call __libc_init_array
+    /*call _init directly in rt-thread*/
         call _init
 
 #ifndef __riscv_float_abi_soft
-	/* Enable FPU */
-	li t0, MSTATUS_FS
-	csrs mstatus, t0
-	csrr t1, mstatus
-	and t1, t1, t0
-	beqz t1, 1f
-	fssr x0
+    /* Enable FPU */
+    li t0, MSTATUS_FS
+    csrs mstatus, t0
+    csrr t1, mstatus
+    and t1, t1, t0
+    beqz t1, 1f
+    fssr x0
 1:
 #endif
 
 #if defined(ENABLE_SMP)
-	smp_resume(t0, t1)
+    smp_resume(t0, t1)
 
-	csrr a0, mhartid
-	bnez a0, 2f
+    csrr a0, mhartid
+    bnez a0, 2f
 #endif
 
-	auipc ra, 0
-	addi sp, sp, -16
+    auipc ra, 0
+    addi sp, sp, -16
 #if __riscv_xlen == 32
-	sw ra, 8(sp)
+    sw ra, 8(sp)
 #else
-	sd ra, 8(sp)
+    sd ra, 8(sp)
 #endif
 
-	/* argc = argv = 0 */
-	li a0, 0
-	li a1, 0
-	call main
-	tail exit
+    /* argc = argv = 0 */
+    li a0, 0
+    li a1, 0
+    call main
+    tail exit
 1:
-	j 1b
+    j 1b
 
 #if defined(ENABLE_SMP)
 2:
-	la t0, trap_entry
-	csrw mtvec, t0
+    la t0, trap_entry
+    csrw mtvec, t0
 
-	csrr a0, mhartid
-	la t1, _sp
-	slli t0, a0, 10
-	sub sp, t1, t0
+    csrr a0, mhartid
+    la t1, _sp
+    slli t0, a0, 10
+    sub sp, t1, t0
 
-	auipc ra, 0
-	addi sp, sp, -16
+    auipc ra, 0
+    addi sp, sp, -16
 #if __riscv_xlen == 32
-	sw ra, 8(sp)
+    sw ra, 8(sp)
 #else
-	sd ra, 8(sp)
+    sd ra, 8(sp)
 #endif
 
-	call secondary_main
-	tail exit
+    call secondary_main
+    tail exit
 
 1:
-	j 1b
+    j 1b
 #endif
-	.cfi_endproc
+    .cfi_endproc
 
 #include "encoding.h"
 #include "sifive/bits.h"
 
-  .section      .text.entry	
+  .section      .text.entry 
   .align 2
   .global trap_entry
 trap_entry: