From 9cddcc7fdc9389208d393008ff60c0c9a7d3b341 Mon Sep 17 00:00:00 2001
From: LinJiawei <linjiav@outlook.com>
Date: Tue, 12 Jan 2021 22:12:10 +0800
Subject: [PATCH] reduce mem size & opt config

1.reduce mem size in stand alone mode
2.use make xxx XIANGSHAN=1 to align mmio space to XiangShan
---
 Makefile               | 4 ++++
 include/device/map.h   | 2 --
 include/memory/paddr.h | 6 +++++-
 src/device/device.c    | 2 --
 4 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index bb7a6e39..24228420 100644
--- a/Makefile
+++ b/Makefile
@@ -60,6 +60,10 @@ include Makefile.git
 
 .DEFAULT_GOAL = app
 
+ifdef XIANGSHAN
+	CFLAGS += -DXIANGSHAN=1
+endif
+
 # Compilation flags
 CC = gcc
 LD = gcc
diff --git a/include/device/map.h b/include/device/map.h
index 8fd1527d..f9055a94 100644
--- a/include/device/map.h
+++ b/include/device/map.h
@@ -5,8 +5,6 @@
 
 typedef void(*io_callback_t)(uint32_t, int, bool);
 
-#define XIANGSHAN
-
 #ifdef XIANGSHAN
   
   // SD
diff --git a/include/memory/paddr.h b/include/memory/paddr.h
index 63f17fea..b27bd906 100644
--- a/include/memory/paddr.h
+++ b/include/memory/paddr.h
@@ -3,7 +3,11 @@
 
 #include <common.h>
 
-#define PMEM_SIZE (8 * 1024 * 1024 * 1024UL)
+#ifdef _SHARE
+    #define PMEM_SIZE (8 * 1024 * 1024 * 1024UL)
+#else
+    #define PMEM_SIZE (256 * 1024 * 1024UL) 
+#endif
 
 void init_mem();
 
diff --git a/src/device/device.c b/src/device/device.c
index 1427aa98..653eb339 100644
--- a/src/device/device.c
+++ b/src/device/device.c
@@ -5,8 +5,6 @@
 #include <device/alarm.h>
 #include <SDL2/SDL.h>
 
-#define XIANGSHAN
-
 void init_alarm();
 void init_serial();
 void init_uartlite();
-- 
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