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[Qemu-devel] [PULL 15/25] Make flatview_extend_translation() take a MemT
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 15/25] Make flatview_extend_translation() take a MemTxAttrs argument |
Date: |
Thu, 31 May 2018 15:23:47 +0100 |
As part of plumbing MemTxAttrs down to the IOMMU translate method,
add MemTxAttrs as an argument to flatview_extend_translation().
Its callers either have an attrs value to hand, or don't care
and can use MEMTXATTRS_UNSPECIFIED.
Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Message-id: address@hidden
---
exec.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/exec.c b/exec.c
index 22af4e8cb9..718b33921b 100644
--- a/exec.c
+++ b/exec.c
@@ -3495,9 +3495,9 @@ bool address_space_access_valid(AddressSpace *as, hwaddr
addr,
static hwaddr
flatview_extend_translation(FlatView *fv, hwaddr addr,
- hwaddr target_len,
- MemoryRegion *mr, hwaddr base, hwaddr len,
- bool is_write)
+ hwaddr target_len,
+ MemoryRegion *mr, hwaddr base, hwaddr len,
+ bool is_write, MemTxAttrs attrs)
{
hwaddr done = 0;
hwaddr xlat;
@@ -3574,7 +3574,7 @@ void *address_space_map(AddressSpace *as,
memory_region_ref(mr);
*plen = flatview_extend_translation(fv, addr, len, mr, xlat,
- l, is_write);
+ l, is_write, attrs);
ptr = qemu_ram_ptr_length(mr->ram_block, xlat, plen, true);
rcu_read_unlock();
@@ -3659,8 +3659,13 @@ int64_t address_space_cache_init(MemoryRegionCache
*cache,
mr = cache->mrs.mr;
memory_region_ref(mr);
if (memory_access_is_direct(mr, is_write)) {
+ /* We don't care about the memory attributes here as we're only
+ * doing this if we found actual RAM, which behaves the same
+ * regardless of attributes; so UNSPECIFIED is fine.
+ */
l = flatview_extend_translation(cache->fv, addr, len, mr,
- cache->xlat, l, is_write);
+ cache->xlat, l, is_write,
+ MEMTXATTRS_UNSPECIFIED);
cache->ptr = qemu_ram_ptr_length(mr->ram_block, cache->xlat, &l, true);
} else {
cache->ptr = NULL;
--
2.17.1
- [Qemu-devel] [PULL 00/25] target-arm queue, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 11/25] Make tb_invalidate_phys_addr() take a MemTxAttrs argument, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 09/25] Correct CPACR reset value for v7 cores, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 12/25] Make address_space_translate{, _cached}() take a MemTxAttrs argument, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 10/25] memory.h: Improve IOMMU related documentation, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 08/25] xlnx-zdma: Correct mem leaks and memset to zero on desc unaligned errors, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 03/25] hw/intc/arm_gicv3: Fix APxR<n> register dispatching, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 16/25] Make memory_region_access_valid() take a MemTxAttrs argument, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 13/25] Make address_space_map() take a MemTxAttrs argument, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 15/25] Make flatview_extend_translation() take a MemTxAttrs argument,
Peter Maydell <=
- [Qemu-devel] [PULL 07/25] arm: fix malloc type mismatch, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 06/25] arm: fix qemu crash on startup with -bios option, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 04/25] arm_gicv3_kvm: increase clroffset accordingly, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 02/25] MAINTAINERS: Add entries for newer MPS2 boards and devices, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 18/25] Make flatview_access_valid() take a MemTxAttrs argument, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 20/25] Make address_space_get_iotlb_entry() take a MemTxAttrs argument, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 21/25] Make flatview_do_translate() take a MemTxAttrs argument, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 23/25] vmstate.h: Provide VMSTATE_BOOL_SUB_ARRAY, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 25/25] KVM: GIC: Fix memory leak due to calling kvm_init_irq_routing twice, Peter Maydell, 2018/05/31
- [Qemu-devel] [PULL 17/25] Make MemoryRegion valid.accepts callback take a MemTxAttrs argument, Peter Maydell, 2018/05/31