adds some consistency fixes for variable ISA settings

bare-metal-bsp/env/common-gcc.mk

@@ -24,7 +24,7 @@ INCLUDES += -I$(PLATFORM_DIR)
 TOOL_DIR ?= $(BSP_BASE)/../toolchain/bin/
 
 LDFLAGS += -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI)
-LDFLAGS += -T $(LINKER_SCRIPT) -Wl,-Map=$(TARGET).map  -nostartfiles
+LDFLAGS += -T $(LINKER_SCRIPT) -Wl,--no-warn-rwx-segments -Wl,-Map=$(TARGET).map  -nostartfiles 
 LDFLAGS += -L$(ENV_DIR)
 # --specs=nano.specs
 

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

@@ -4,7 +4,7 @@ ENTRY( _start )
 
 MEMORY
 {
-  flash (rxai!w) : ORIGIN = 0x00000020, LENGTH = 1M
+  flash (rxai!w) : ORIGIN = 0x00000000, LENGTH = 1M
   ram (wxa!ri) :   ORIGIN = 0x10000000, LENGTH = 16K
 }
 

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

@@ -169,7 +169,6 @@ SECTIONS
     PROVIDE( _sp = . );
   } >ram AT>ram :ram
 
-  #PROVIDE( tohost = 0x00018000 );
   PROVIDE( tohost = 0xfffffff0 );
   PROVIDE( fromhost = 0xfffffff8 );
 }