mirror of https://github.com/xemu-project/xemu.git
pc: exit QEMU if number of slots more than supported 256
... which is imposed by current naming scheme of ACPI memory devices. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -1230,6 +1230,12 @@ FWCfgState *pc_memory_init(MemoryRegion *system_memory,
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ram_addr_t hotplug_mem_size =
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machine->maxram_size - ram_size;
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if (machine->ram_slots > ACPI_MAX_RAM_SLOTS) {
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error_report("unsupported amount of memory slots: %"PRIu64,
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machine->ram_slots);
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exit(EXIT_FAILURE);
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}
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pcms->hotplug_memory_base =
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ROUND_UP(0x100000000ULL + above_4g_mem_size, 1ULL << 30);
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@ -26,6 +26,12 @@
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#include "exec/memory.h"
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#include "hw/irq.h"
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/*
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* current device naming scheme supports
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* only upto 256 memory devices
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*/
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#define ACPI_MAX_RAM_SLOTS 256
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/* from linux include/acpi/actype.h */
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/* Default ACPI register widths */
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