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[Qemu-devel] [RFC PATCH v1 2/4] exec.c: Remove static allocation of sub_
From: |
vijayak |
Subject: |
[Qemu-devel] [RFC PATCH v1 2/4] exec.c: Remove static allocation of sub_section of sub_page |
Date: |
Mon, 13 Jun 2016 14:38:33 +0530 |
From: Vijaya Kumar K <address@hidden>
Allocate sub_section dynamically. Remove dependency
on TARGET_PAGE_SIZE to make run-time page size detection
for arm platforms.
Signed-off-by: Vijaya Kumar K <address@hidden>
---
exec.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/exec.c b/exec.c
index a9d465b..e803a41 100644
--- a/exec.c
+++ b/exec.c
@@ -154,7 +154,7 @@ typedef struct subpage_t {
MemoryRegion iomem;
AddressSpace *as;
hwaddr base;
- uint16_t sub_section[TARGET_PAGE_SIZE];
+ uint16_t *sub_section;
} subpage_t;
#define PHYS_SECTION_UNASSIGNED 0
@@ -1151,6 +1151,7 @@ static void phys_section_destroy(MemoryRegion *mr)
if (have_sub_page) {
subpage_t *subpage = container_of(mr, subpage_t, iomem);
object_unref(OBJECT(&subpage->iomem));
+ g_free(subpage->sub_section);
g_free(subpage);
}
}
@@ -2272,7 +2273,7 @@ static subpage_t *subpage_init(AddressSpace *as, hwaddr
base)
subpage_t *mmio;
mmio = g_malloc0(sizeof(subpage_t));
-
+ mmio->sub_section = g_malloc0(TARGET_PAGE_SIZE * sizeof(uint16_t));
mmio->as = as;
mmio->base = base;
memory_region_init_io(&mmio->iomem, NULL, &subpage_ops, mmio,
--
1.7.9.5