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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. (From OE-Core rev: 48ff812a4b649fa7b1c73740ef65e4855640dc39) Signed-off-by: Jiang Lu <lu.jiang@windriver.com> Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Jeff Polk <jeff.polk@windriver.com> Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 896fa02c24347e6e9259812cfda187b1d6ca6199 Mon Sep 17 00:00:00 2001
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From: Jiang Lu <lu.jiang@windriver.com>
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Date: Wed, 13 Nov 2013 10:38:08 +0800
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Subject: [PATCH] Qemu:Arm:versatilepb: Add memory size checking
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The machine can not work with memory over 256M, so add a checking
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at startup. If the memory size exceed 256M, just stop emulation then
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throw out warning about memory limitation.
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Upstream-Status: Pending
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Signed-off-by: Jiang Lu <lu.jiang@windriver.com>
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Updated it on 2014-01-15 for rebasing
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Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
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---
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hw/arm/versatilepb.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c
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index b48d84c..ad2cd5a 100644
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--- a/hw/arm/versatilepb.c
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+++ b/hw/arm/versatilepb.c
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@@ -199,6 +199,12 @@ static void versatile_init(QEMUMachineInitArgs *args, int board_id)
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fprintf(stderr, "Unable to find CPU definition\n");
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exit(1);
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}
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+ if (ram_size > (256 << 20)) {
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+ fprintf(stderr,
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+ "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n",
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+ ((unsigned int)ram_size / (1 << 20)));
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+ exit(1);
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+ }
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memory_region_init_ram(ram, NULL, "versatile.ram", args->ram_size);
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vmstate_register_ram_global(ram);
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/* ??? RAM should repeat to fill physical memory space. */
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--
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1.7.10.4
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