From: Andrew Waterman <andrew@sifive.com>
Date: Thu, 23 Mar 2017 20:24:10 +0000 (-0700)
Subject: Require little-endian host
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e83a032060865550e33659a69a86870f9da880b1;p=riscv-isa-sim.git

Require little-endian host
---

diff --git a/riscv/decode.h b/riscv/decode.h
index d82767d..061b5b6 100644
--- a/riscv/decode.h
+++ b/riscv/decode.h
@@ -7,6 +7,10 @@
 # error spike requires a two''s-complement c++ implementation
 #endif
 
+#ifdef WORDS_BIGENDIAN
+# error spike requires a little-endian host
+#endif
+
 #include <cstdint>
 #include <string.h>
 #include <strings.h>
diff --git a/riscv/encoding.h b/riscv/encoding.h
index 3923bff..a7066b7 100644
--- a/riscv/encoding.h
+++ b/riscv/encoding.h
@@ -124,6 +124,16 @@
 #define SPTBR_MODE_SV57 10
 #define SPTBR_MODE_SV64 11
 
+#define PMP_R     0x01
+#define PMP_W     0x02
+#define PMP_X     0x04
+#define PMP_M     0x08
+#define PMP_NAPOT 0x10
+#define PMP_TOR   0x20
+#define PMP_EN    0x40
+#define PMP_LOCK  0x80
+#define PMP_SHIFT 2
+
 #define IRQ_S_SOFT   1
 #define IRQ_H_SOFT   2
 #define IRQ_M_SOFT   3