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exec.c: Remove static allocation of sub_section of sub_page 

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 <vijayak@cavium.com>
Message-id: 1465808915-4887-3-git-send-email-vijayak@caviumnetworks.com
[PMM: use flexible array member rather than separate malloc
 so we don't need an extra pointer deref when using it]
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Vijaya Kumar K 2016-10-24 16:26:49 +01:00 committed by Peter Maydell
parent adb65dec4b
commit 2615fabd42
1 changed files with 2 additions and 3 deletions
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exec.c
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@ -153,7 +153,7 @@ 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
@ -2215,8 +2215,7 @@ static subpage_t *subpage_init(AddressSpace *as, hwaddr base)
{
subpage_t *mmio;
mmio = g_malloc0(sizeof(subpage_t));
mmio = g_malloc0(sizeof(subpage_t) + TARGET_PAGE_SIZE * sizeof(uint16_t));
mmio->as = as;
mmio->base = base;
memory_region_init_io(&mmio->iomem, NULL, &subpage_ops, mmio,