[PATCH v1 2/3] xen/riscv: setup initial pagetables

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

Calculate load and linker linker image addresses and
setup initial pagetables.

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
 xen/arch/riscv/setup.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c
index b7cd438a1d..f69bc278bb 100644
--- a/xen/arch/riscv/setup.c
+++ b/xen/arch/riscv/setup.c
@@ -1,9 +1,11 @@
 #include <xen/bug.h>
 #include <xen/compile.h>
 #include <xen/init.h>
+#include <xen/kernel.h>
 
 #include <asm/csr.h>
 #include <asm/early_printk.h>
+#include <asm/mm.h>
 #include <asm/traps.h>
 
 /* Xen stack for bringing up the first CPU. */
@@ -43,6 +45,11 @@ static void __init disable_fpu(void)
 
 void __init noreturn start_xen(void)
 {
+    unsigned long load_start    = (unsigned long)start;
+    unsigned long load_end      = load_start + (unsigned long)(_end - _start);
+    unsigned long linker_start  = (unsigned long)_start;
+    unsigned long linker_end    = (unsigned long)_end;
+
     /*
      * The following things are passed by bootloader:
      *   a0 -> hart_id
@@ -65,6 +72,10 @@ void __init noreturn start_xen(void)
 
     test_macros_from_bug_h();
 
+    setup_initial_pagetables(load_start, load_end, linker_start, linker_end);
+
+    early_printk("MMU has been enabled\n");
+
     for ( ;; )
         asm volatile ("wfi");
 
-- 
2.39.0