/openbmc/qemu/hw/ppc/ |
H A D | ppc4xx_devs.c | diff e206ad48333c50373663945746828fc893b50700 Mon Jul 21 04:30:17 CDT 2014 Hu Tao <hutao@cn.fujitsu.com> ppc: fix -mem-path failure
commit e938ba0c tried to enable -mem-path for ppc but breaked some ppc boards.
The problems are:
1. it fails when allocating memory for rom, sram whose sizes are less than huge page size:
./ppc-softmmu/qemu-system-ppc -m 512 -mem-path /hugepages/ \ -kernel /home/hutao/Downloads/vmlinux-ppc -initrd \ /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: /mnt/data/projects/qemu/exec.c:1184: qemu_ram_set_idstr: Assertion `new_block' failed.
2. if there is a numa node backed by memory backend object, qemu fails with message:
./ppc-softmmu/qemu-system-ppc -m 512 \ -object memory-backend-file,size=512M,mem-path=/hugepages,id=f0 \ -numa node,nodeid=0,memdev=f0 \ -kernel /home/hutao/Downloads/vmlinux-ppc \ -initrd /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: memory backend f0 is used multiple times. Each -numa option must use a different memdev value.
This patch does following:
1. replaces memory_region_allocate_system_memory() with memory_region_init_ram() for rom, sram. Then only system memory is backed by hugepages when specifying mem-path.
2. for memory banks, allocates all ram with one memory_region_allocate_system_memory(), and use memory_region_init_alias() to initialize memory banks.
Tested machines: default(g3beige), mac99, taihu, bamboo, ref405ep.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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H A D | ppc405_uc.c | diff e206ad48333c50373663945746828fc893b50700 Mon Jul 21 04:30:17 CDT 2014 Hu Tao <hutao@cn.fujitsu.com> ppc: fix -mem-path failure
commit e938ba0c tried to enable -mem-path for ppc but breaked some ppc boards.
The problems are:
1. it fails when allocating memory for rom, sram whose sizes are less than huge page size:
./ppc-softmmu/qemu-system-ppc -m 512 -mem-path /hugepages/ \ -kernel /home/hutao/Downloads/vmlinux-ppc -initrd \ /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: /mnt/data/projects/qemu/exec.c:1184: qemu_ram_set_idstr: Assertion `new_block' failed.
2. if there is a numa node backed by memory backend object, qemu fails with message:
./ppc-softmmu/qemu-system-ppc -m 512 \ -object memory-backend-file,size=512M,mem-path=/hugepages,id=f0 \ -numa node,nodeid=0,memdev=f0 \ -kernel /home/hutao/Downloads/vmlinux-ppc \ -initrd /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: memory backend f0 is used multiple times. Each -numa option must use a different memdev value.
This patch does following:
1. replaces memory_region_allocate_system_memory() with memory_region_init_ram() for rom, sram. Then only system memory is backed by hugepages when specifying mem-path.
2. for memory banks, allocates all ram with one memory_region_allocate_system_memory(), and use memory_region_init_alias() to initialize memory banks.
Tested machines: default(g3beige), mac99, taihu, bamboo, ref405ep.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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H A D | ppc405_boards.c | diff e206ad48333c50373663945746828fc893b50700 Mon Jul 21 04:30:17 CDT 2014 Hu Tao <hutao@cn.fujitsu.com> ppc: fix -mem-path failure
commit e938ba0c tried to enable -mem-path for ppc but breaked some ppc boards.
The problems are:
1. it fails when allocating memory for rom, sram whose sizes are less than huge page size:
./ppc-softmmu/qemu-system-ppc -m 512 -mem-path /hugepages/ \ -kernel /home/hutao/Downloads/vmlinux-ppc -initrd \ /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: /mnt/data/projects/qemu/exec.c:1184: qemu_ram_set_idstr: Assertion `new_block' failed.
2. if there is a numa node backed by memory backend object, qemu fails with message:
./ppc-softmmu/qemu-system-ppc -m 512 \ -object memory-backend-file,size=512M,mem-path=/hugepages,id=f0 \ -numa node,nodeid=0,memdev=f0 \ -kernel /home/hutao/Downloads/vmlinux-ppc \ -initrd /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: memory backend f0 is used multiple times. Each -numa option must use a different memdev value.
This patch does following:
1. replaces memory_region_allocate_system_memory() with memory_region_init_ram() for rom, sram. Then only system memory is backed by hugepages when specifying mem-path.
2. for memory banks, allocates all ram with one memory_region_allocate_system_memory(), and use memory_region_init_alias() to initialize memory banks.
Tested machines: default(g3beige), mac99, taihu, bamboo, ref405ep.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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H A D | mac_oldworld.c | diff e206ad48333c50373663945746828fc893b50700 Mon Jul 21 04:30:17 CDT 2014 Hu Tao <hutao@cn.fujitsu.com> ppc: fix -mem-path failure
commit e938ba0c tried to enable -mem-path for ppc but breaked some ppc boards.
The problems are:
1. it fails when allocating memory for rom, sram whose sizes are less than huge page size:
./ppc-softmmu/qemu-system-ppc -m 512 -mem-path /hugepages/ \ -kernel /home/hutao/Downloads/vmlinux-ppc -initrd \ /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: /mnt/data/projects/qemu/exec.c:1184: qemu_ram_set_idstr: Assertion `new_block' failed.
2. if there is a numa node backed by memory backend object, qemu fails with message:
./ppc-softmmu/qemu-system-ppc -m 512 \ -object memory-backend-file,size=512M,mem-path=/hugepages,id=f0 \ -numa node,nodeid=0,memdev=f0 \ -kernel /home/hutao/Downloads/vmlinux-ppc \ -initrd /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: memory backend f0 is used multiple times. Each -numa option must use a different memdev value.
This patch does following:
1. replaces memory_region_allocate_system_memory() with memory_region_init_ram() for rom, sram. Then only system memory is backed by hugepages when specifying mem-path.
2. for memory banks, allocates all ram with one memory_region_allocate_system_memory(), and use memory_region_init_alias() to initialize memory banks.
Tested machines: default(g3beige), mac99, taihu, bamboo, ref405ep.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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H A D | mac_newworld.c | diff e206ad48333c50373663945746828fc893b50700 Mon Jul 21 04:30:17 CDT 2014 Hu Tao <hutao@cn.fujitsu.com> ppc: fix -mem-path failure
commit e938ba0c tried to enable -mem-path for ppc but breaked some ppc boards.
The problems are:
1. it fails when allocating memory for rom, sram whose sizes are less than huge page size:
./ppc-softmmu/qemu-system-ppc -m 512 -mem-path /hugepages/ \ -kernel /home/hutao/Downloads/vmlinux-ppc -initrd \ /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: /mnt/data/projects/qemu/exec.c:1184: qemu_ram_set_idstr: Assertion `new_block' failed.
2. if there is a numa node backed by memory backend object, qemu fails with message:
./ppc-softmmu/qemu-system-ppc -m 512 \ -object memory-backend-file,size=512M,mem-path=/hugepages,id=f0 \ -numa node,nodeid=0,memdev=f0 \ -kernel /home/hutao/Downloads/vmlinux-ppc \ -initrd /home/hutao/Downloads/initrd-ppc.gz qemu-system-ppc: memory backend f0 is used multiple times. Each -numa option must use a different memdev value.
This patch does following:
1. replaces memory_region_allocate_system_memory() with memory_region_init_ram() for rom, sram. Then only system memory is backed by hugepages when specifying mem-path.
2. for memory banks, allocates all ram with one memory_region_allocate_system_memory(), and use memory_region_init_alias() to initialize memory banks.
Tested machines: default(g3beige), mac99, taihu, bamboo, ref405ep.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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