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qemu / qemu / b981289c493c7ddabc1cdf7de99daa24642c7739
commitb981289c493c7ddabc1cdf7de99daa24642c7739[log] [tgz]
authorAlexander Graf <agraf@suse.de>Sun Jul 13 22:31:53 2014 +0200
committerAlexander Graf <agraf@suse.de>Mon Sep 08 12:50:52 2014 +0200
tree1e239e4f64e013f67057eebe2ca4ca9ed360a2ca
parentcaae6c961107c4c55731a86572f9a1f53837636b [diff]
PPC: Cuda: Use cuda timer to expose tbfreq to guest

Mac OS X calibrates a number of frequencies on bootup based on reading
tb values on bootup and comparing them to via cuda timer values.

The only variable we can really steer well (thanks to KVM) is the cuda
frequency. So let's use that one to fake Mac OS X into believing the
bus frequency is tbfreq * 4. That way Mac OS X will automatically
calculate the correct timebase frequency.

With this patch and the patch set I posted earlier I can successfully
run Mac OS X 10.2, 10.3 and 10.4 guests with -M mac99 on TCG and KVM.

Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
5 files changed
tree: 1e239e4f64e013f67057eebe2ca4ca9ed360a2ca
  1. audio/
  2. backends/
  3. block/
  4. bsd-user/
  5. default-configs/
  6. disas/
  7. docs/
  8. fpu/
  9. fsdev/
  10. gdb-xml/
  11. hw/
  12. include/
  13. libcacard/
  14. libdecnumber/
  15. linux-headers/
  16. linux-user/
  17. net/
  18. pc-bios/
  19. po/
  20. qapi/
  21. qga/
  22. qobject/
  23. qom/
  24. roms/
  25. scripts/
  26. slirp/
  27. stubs/
  28. sysconfigs/
  29. target-alpha/
  30. target-arm/
  31. target-cris/
  32. target-i386/
  33. target-lm32/
  34. target-m68k/
  35. target-microblaze/
  36. target-mips/
  37. target-moxie/
  38. target-openrisc/
  39. target-ppc/
  40. target-s390x/
  41. target-sh4/
  42. target-sparc/
  43. target-tricore/
  44. target-unicore32/
  45. target-xtensa/
  46. tcg/
  47. tests/
  48. trace/
  49. ui/
  50. util/
  51. dtc
  52. pixman
  53. .exrc
  54. .gitignore
  55. .gitmodules
  56. .mailmap
  57. .travis.yml
  58. aio-posix.c
  59. aio-win32.c
  60. arch_init.c
  61. async.c
  62. balloon.c
  63. block-migration.c
  64. block.c
  65. blockdev-nbd.c
  66. blockdev.c
  67. blockjob.c
  68. bt-host.c
  69. bt-vhci.c
  70. Changelog
  71. CODING_STYLE
  72. configure
  73. COPYING
  74. COPYING.LIB
  75. coroutine-gthread.c
  76. coroutine-sigaltstack.c
  77. coroutine-ucontext.c
  78. coroutine-win32.c
  79. cpu-exec.c
  80. cpus.c
  81. cputlb.c
  82. device-hotplug.c
  83. device_tree.c
  84. disas.c
  85. dma-helpers.c
  86. dump.c
  87. exec.c
  88. gdbstub.c
  89. HACKING
  90. hmp-commands.hx
  91. hmp.c
  92. hmp.h
  93. iohandler.c
  94. ioport.c
  95. iothread.c
  96. kvm-all.c
  97. kvm-stub.c
  98. LICENSE
  99. main-loop.c
  100. MAINTAINERS
  101. Makefile
  102. Makefile.objs
  103. Makefile.target
  104. memory.c
  105. memory_mapping.c
  106. migration-exec.c
  107. migration-fd.c
  108. migration-rdma.c
  109. migration-tcp.c
  110. migration-unix.c
  111. migration.c
  112. module-common.c
  113. monitor.c
  114. nbd.c
  115. numa.c
  116. os-posix.c
  117. os-win32.c
  118. page_cache.c
  119. qapi-schema.json
  120. qdev-monitor.c
  121. qdict-test-data.txt
  122. qemu-bridge-helper.c
  123. qemu-char.c
  124. qemu-coroutine-io.c
  125. qemu-coroutine-lock.c
  126. qemu-coroutine-sleep.c
  127. qemu-coroutine.c
  128. qemu-doc.texi
  129. qemu-file.c
  130. qemu-img-cmds.hx
  131. qemu-img.c
  132. qemu-img.texi
  133. qemu-io-cmds.c
  134. qemu-io.c
  135. qemu-log.c
  136. qemu-nbd.c
  137. qemu-nbd.texi
  138. qemu-options-wrapper.h
  139. qemu-options.h
  140. qemu-options.hx
  141. qemu-seccomp.c
  142. qemu-tech.texi
  143. qemu-timer.c
  144. qemu.nsi
  145. qemu.sasl
  146. qmp-commands.hx
  147. qmp.c
  148. qtest.c
  149. README
  150. rules.mak
  151. savevm.c
  152. softmmu_template.h
  153. spice-qemu-char.c
  154. tcg-runtime.c
  155. tci.c
  156. thread-pool.c
  157. thunk.c
  158. tpm.c
  159. trace-events
  160. translate-all.c
  161. translate-all.h
  162. user-exec.c
  163. VERSION
  164. version.rc
  165. vl.c
  166. vmstate.c
  167. xbzrle.c
  168. xen-common-stub.c
  169. xen-common.c
  170. xen-hvm-stub.c
  171. xen-hvm.c
  172. xen-mapcache.c