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-rw-r--r--arch/riscv64/conf/init.c2
-rw-r--r--arch/riscv64/config.h5
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/riscv64/conf/init.c b/arch/riscv64/conf/init.c
index c4e8064..03fdc64 100644
--- a/arch/riscv64/conf/init.c
+++ b/arch/riscv64/conf/init.c
@@ -273,7 +273,7 @@ static void sys_sleep()
#define CSR_TIME "0xc01"
#define csr_read(csr, \
- res) __asm__ volatile ("csrr %0, " csr : "=r" (res) :: "memory")
+ res) __asm__ volatile ("csrr %0, " csr : "=r" (res) :: "memory")
#define CSR_CYCLE "0xc00"
diff --git a/arch/riscv64/config.h b/arch/riscv64/config.h
index 952c0ca..d686ed9 100644
--- a/arch/riscv64/config.h
+++ b/arch/riscv64/config.h
@@ -51,8 +51,9 @@
*/
#define CSTACK_PAGE 248UL
-/** User virtual memory space start. */
-#define UVMEM_START (SZ_4K)
+/** User virtual memory space start. Should essentially always be the start of
+ * the NULL page, which is marked reserved in the address space by \ref init_uvmem().*/
+#define UVMEM_START (0)
/** User virtual memory space end. */
#define UVMEM_END (SZ_256G - SZ_8G)