From 0ccff151b42a5b684ce22473b68972a94bc708fb Mon Sep 17 00:00:00 2001 From: aurel32 Date: Sat, 24 Jan 2009 15:07:25 +0000 Subject: [PATCH] mips: limit RAM size to 256MB on malta and qemu boards This avoid crash when a bigger RAM size is requested (the devices are mapped at 0x01000000). Signed-off-by: Aurelien Jarno git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6419 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/mips_malta.c | 6 ++++++ hw/mips_r4k.c | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/hw/mips_malta.c b/hw/mips_malta.c index 9a41cdf949..ba67947707 100644 --- a/hw/mips_malta.c +++ b/hw/mips_malta.c @@ -802,6 +802,12 @@ void mips_malta_init (ram_addr_t ram_size, int vga_ram_size, qemu_register_reset(main_cpu_reset, env); /* allocate RAM */ + 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); + } cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); /* Map the bios at two physical locations, as on the real board. */ diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c index 34b3853295..1ed123e4e7 100644 --- a/hw/mips_r4k.c +++ b/hw/mips_r4k.c @@ -178,6 +178,12 @@ void mips_r4k_init (ram_addr_t ram_size, int vga_ram_size, qemu_register_reset(main_cpu_reset, env); /* allocate RAM */ + 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); + } cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); if (!mips_qemu_iomemtype) {