fixes TGC5L settings

CMakeLists.txt

@@ -9,10 +9,10 @@ add_custom_target(fw-hello-world ALL
 	USES_TERMINAL
 	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 add_custom_target(fw-dhrystone ALL 
-	COMMAND make -C ${riscvfw_SOURCE_DIR}/benchmarks/dhrystone BOARD=${TARGET} ISA=${ISA}
+	COMMAND make -C ${riscvfw_SOURCE_DIR}/benchmarks/dhrystone BOARD=${BOARD} ISA=${ISA}
     USES_TERMINAL
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 add_custom_target(fw-coremark ALL 
-	COMMAND make -C ${riscvfw_SOURCE_DIR}/benchmarks/coremark/cm PORT_DIR=../tgc BOARD=${TARGET} ISA=${ISA}
+	COMMAND make -C ${riscvfw_SOURCE_DIR}/benchmarks/coremark/cm PORT_DIR=../tgc BOARD=${BOARD} ISA=${ISA}
     USES_TERMINAL
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})

bare-metal-bsp/env/TGC5L/link.lds

@@ -4,8 +4,8 @@ ENTRY( _start )
 
 MEMORY
 {
-  flash (rxai!w) : ORIGIN = 0x80000000, LENGTH = 64k
-  ram (wxa!ri) :   ORIGIN = 0x80010000, LENGTH = 64k
+  flash (rxai!w) : ORIGIN = 0x00000000, LENGTH = 256M
+  ram (wxa!ri) :   ORIGIN = 0x20000000, LENGTH = 1M
 }
 
 PHDRS

bare-metal-bsp/env/start.S

@@ -5,6 +5,8 @@
 	.type _start,@function
 
 _start:
+    la gp, trap_entry
+    csrw mtvec, gp
 .option push
 .option norelax
     la gp, __global_pointer$
@@ -18,8 +20,8 @@ _start:
 	bgeu a1, a2, 2f
 1:
 	lw t0, (a0)
-	sw t0, (a1)
 	addi a0, a0, 4
+	sw t0, (a1)
 	addi a1, a1, 4
 	bltu a1, a2, 1b
 2:
@@ -35,11 +37,11 @@ _start:
 2:
 
 	/* Call global constructors */
-#ifdef HAVE_INIT_FINI
+//#ifdef HAVE_INIT_FINI
 	la a0, __libc_fini_array
 	call atexit
 	call __libc_init_array
-#endif
+//#endif
 #ifndef __riscv_float_abi_soft
 	/* Enable FPU */
 	li t0, MSTATUS_FS