From 9b831bc77f8a7a0046899075aa0f0016478f5bf2 Mon Sep 17 00:00:00 2001
From: Palmer Dabbelt <palmer@dabbelt.com>
Date: Thu, 8 Jun 2017 09:39:14 -0700
Subject: Add linker scripts that target the scratchpad

Everything still defaults to the flash, but users can optionally select
the scratchpad.  Note that you have to be pretty careful about your
scratchpad programs, most of them won't fit.  For example, printf is too
big to fit in the scratchpad.
---
 Makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index eedb007..11f239f 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,7 @@ endif
 # Default target
 BOARD ?= freedom-e300-hifive1
 PROGRAM ?= demo_gpio
+LINK_TARGET ?= flash
 GDB_PORT ?= 3333
 
 # Variables the user probably shouldn't override.
@@ -191,11 +192,11 @@ PROGRAM_ELF = software/$(PROGRAM)/$(PROGRAM)
 
 .PHONY: software_clean
 software_clean:
-	$(MAKE) -C $(PROGRAM_DIR) BSP_BASE=$(abspath bsp) BOARD=$(BOARD) clean
+	$(MAKE) -C $(PROGRAM_DIR) CC=$(RISCV_GCC) RISCV_ARCH=$(RISCV_ARCH) RISCV_ABI=$(RISCV_ABI) AR=$(RISCV_AR) BSP_BASE=$(abspath bsp) BOARD=$(BOARD) LINK_TARGET=$(LINK_TARGET) clean
 
 .PHONY: software
 software: software_clean
-	$(MAKE) -C $(PROGRAM_DIR) CC=$(RISCV_GCC) RISCV_ARCH=$(RISCV_ARCH) RISCV_ABI=$(RISCV_ABI) AR=$(RISCV_AR) BSP_BASE=$(abspath bsp) BOARD=$(BOARD)
+	$(MAKE) -C $(PROGRAM_DIR) CC=$(RISCV_GCC) RISCV_ARCH=$(RISCV_ARCH) RISCV_ABI=$(RISCV_ABI) AR=$(RISCV_AR) BSP_BASE=$(abspath bsp) BOARD=$(BOARD) LINK_TARGET=$(LINK_TARGET)
 
 dasm: software $(RISCV_OBJDUMP)
 	$(RISCV_OBJDUMP) -D $(PROGRAM_ELF)
-- 
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