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From 896fa02c24347e6e9259812cfda187b1d6ca6199 Mon Sep 17 00:00:00 2001
From: Jiang Lu <lu.jiang@windriver.com>
Date: Wed, 13 Nov 2013 10:38:08 +0800
Subject: [PATCH] Qemu:Arm:versatilepb: Add memory size checking
The machine can not work with memory over 256M, so add a checking
at startup. If the memory size exceed 256M, just stop emulation then
throw out warning about memory limitation.
Upstream-Status: Pending
Signed-off-by: Jiang Lu <lu.jiang@windriver.com>
Updated it on 2014-01-15 for rebasing
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
---
hw/arm/versatilepb.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c
index b48d84c..ad2cd5a 100644
--- a/hw/arm/versatilepb.c
+++ b/hw/arm/versatilepb.c
@@ -199,6 +199,12 @@ static void versatile_init(QEMUMachineInitArgs *args, int board_id)
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
+ if (ram_size > (256 << 20)) {
+ fprintf(stderr,
+ "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n",
+ ((unsigned int)ram_size / (1 << 20)));
+ exit(1);
+ }
memory_region_init_ram(ram, NULL, "versatile.ram", args->ram_size);
vmstate_register_ram_global(ram);
/* ??? RAM should repeat to fill physical memory space. */
--
1.7.10.4
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