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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2018-04-08 15:05:08 +0200
committerPatrick Georgi <pgeorgi@google.com>2018-04-26 11:50:20 +0000
commit93c9130a67c1e3d76d0c4fa2e6c9e2a2ee51a2f0 (patch)
treecfecd0a6c3f26bf1ff82835e1248cb0488becae0
parent225b03534c81e2beb696f51175f14fd352f3090b (diff)
arch/riscv: Store mprv bit in size_t
CSRs are XLEN bits wide (i.e. the same width as general purpose registers), so size_t seems a little more correct than int. This change doesn't affect functionality because MSTATUS_MPRV already fits in 31 bits. Change-Id: I003c1b88b4493681dc9b6178ac785be330203ef5 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/25625 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
-rw-r--r--src/arch/riscv/include/vm.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/arch/riscv/include/vm.h b/src/arch/riscv/include/vm.h
index fd0a2c947c..a30d6bbdd5 100644
--- a/src/arch/riscv/include/vm.h
+++ b/src/arch/riscv/include/vm.h
@@ -42,7 +42,7 @@ void mstatus_init(void); // need to setup mstatus so we know we have virtual mem
static inline type name(type *p); \
static inline type name(type *p) \
{ \
- int mprv = MSTATUS_MPRV; \
+ size_t mprv = MSTATUS_MPRV; \
type value; \
asm ( \
"csrs mstatus, %1\n" \
@@ -57,7 +57,7 @@ void mstatus_init(void); // need to setup mstatus so we know we have virtual mem
static inline void name(type *p, type value); \
static inline void name(type *p, type value) \
{ \
- int mprv = MSTATUS_MPRV; \
+ size_t mprv = MSTATUS_MPRV; \
asm ( \
"csrs mstatus, %0\n" \
STRINGIFY(insn) " %1, 0(%2)\n" \