Mailing List Archive

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
Changes in V5-V7:
- Nothing changed. Only rebase.
---
Changes in V4:
---
- Change message -> subject in "Changes in V3"
- s/BUG/BUG_ON("...")
- Do proper rebase ( pfn_to_paddr() and paddr_to_pfn() aren't removed ).
---
Changes in V3:
- update the commit subject
- add implemetation of PAGE_HYPERVISOR macros
- add Acked-by: Jan Beulich <jbeulich@suse.com>
- drop definition of pfn_to_addr, and paddr_to_pfn in <asm/mm.h>
---
Changes in V2:
- Nothing changed. Only rebase.
---
xen/arch/riscv/include/asm/page.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/xen/arch/riscv/include/asm/page.h b/xen/arch/riscv/include/asm/page.h
index 95074e29b3..c831e16417 100644
--- a/xen/arch/riscv/include/asm/page.h
+++ b/xen/arch/riscv/include/asm/page.h
@@ -6,6 +6,7 @@
#ifndef __ASSEMBLY__

#include <xen/const.h>
+#include <xen/bug.h>
#include <xen/types.h>

#include <asm/mm.h>
@@ -32,6 +33,10 @@
#define PTE_LEAF_DEFAULT (PTE_VALID | PTE_READABLE | PTE_WRITABLE)
#define PTE_TABLE (PTE_VALID)

+#define PAGE_HYPERVISOR_RW (PTE_VALID | PTE_READABLE | PTE_WRITABLE)
+
+#define PAGE_HYPERVISOR PAGE_HYPERVISOR_RW
+
/* Calculate the offsets into the pagetables for a given VA */
#define pt_linear_offset(lvl, va) ((va) >> XEN_PT_LEVEL_SHIFT(lvl))

@@ -62,6 +67,20 @@ static inline bool pte_is_valid(pte_t p)
return p.pte & PTE_VALID;
}

+static inline void invalidate_icache(void)
+{
+ BUG_ON("unimplemented");
+}
+
+#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
+#define copy_page(dp, sp) memcpy(dp, sp, PAGE_SIZE)
+
+/* TODO: Flush the dcache for an entire page. */
+static inline void flush_page_to_ram(unsigned long mfn, bool sync_icache)
+{
+ BUG_ON("unimplemented");
+}
+
#endif /* __ASSEMBLY__ */

#endif /* _ASM_RISCV_PAGE_H */
--
2.43.0