x86: make a20_mask int32_t

This makes the savevm code correct, and sign extensins gives us exactly
what we need (namely, sign extend to 64 bits when used with 64bit addresess.

Once there, change 0x100000 for 1 << 20, that maks all a20 use the same syntax.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
3 files changed
tree: cfe863b16d67c383de96ef2dd237444fe6b7fc74
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
  5. fpu/
  6. gdb-xml/
  7. hw/
  8. linux-user/
  9. pc-bios/
  10. roms/
  11. slirp/
  12. target-alpha/
  13. target-arm/
  14. target-cris/
  15. target-i386/
  16. target-m68k/
  17. target-microblaze/
  18. target-mips/
  19. target-ppc/
  20. target-sh4/
  21. target-sparc/
  22. tcg/
  23. tests/
  24. .gitignore
  25. .gitmodules
  26. a.out.h
  27. acl.c
  28. acl.h
  29. aes.c
  30. aes.h
  31. aio.c
  32. alpha-dis.c
  33. alpha.ld
  34. arm-dis.c
  35. arm-semi.c
  36. arm.ld
  37. balloon.h
  38. block.c
  39. block.h
  40. block_int.h
  41. bswap.h
  42. bt-host.c
  43. bt-host.h
  44. bt-vhci.c
  45. buffered_file.c
  46. buffered_file.h
  47. cache-utils.c
  48. cache-utils.h
  49. Changelog
  50. check-qdict.c
  51. check-qint.c
  52. check-qstring.c
  53. cmd.c
  54. cmd.h
  55. cocoa.m
  56. CODING_STYLE
  57. configure
  58. console.c
  59. console.h
  60. COPYING
  61. COPYING.LIB
  62. cpu-all.h
  63. cpu-common.h
  64. cpu-defs.h
  65. cpu-exec.c
  66. create_config
  67. cris-dis.c
  68. curses.c
  69. curses_keys.h
  70. cutils.c
  71. d3des.c
  72. d3des.h
  73. def-helper.h
  74. device_tree.c
  75. device_tree.h
  76. dis-asm.h
  77. disas.c
  78. disas.h
  79. dma-helpers.c
  80. dma.h
  81. dyngen-exec.h
  82. elf.h
  83. envlist.c
  84. envlist.h
  85. exec-all.h
  86. exec.c
  87. feature_to_c.sh
  88. gdbstub.c
  89. gdbstub.h
  90. gen-icount.h
  91. host-utils.c
  92. host-utils.h
  93. hostregs_helper.h
  94. hpet.h
  95. hppa-dis.c
  96. hppa.ld
  97. hxtool
  98. i386-dis.c
  99. i386.ld
  100. ia64.ld
  101. ioport-user.c
  102. ioport.c
  103. ioport.h
  104. keymaps.c
  105. keymaps.h
  106. kvm-all.c
  107. kvm.h
  108. libfdt_env.h
  109. LICENSE
  110. linux-aio.c
  111. m68k-dis.c
  112. m68k-semi.c
  113. m68k.ld
  114. MAINTAINERS
  115. Makefile
  116. Makefile.hw
  117. Makefile.target
  118. Makefile.user
  119. microblaze-dis.c
  120. migration-exec.c
  121. migration-fd.c
  122. migration-tcp.c
  123. migration-unix.c
  124. migration.c
  125. migration.h
  126. mips-dis.c
  127. mips.ld
  128. module.c
  129. module.h
  130. monitor.c
  131. monitor.h
  132. nbd.c
  133. nbd.h
  134. net-checksum.c
  135. net.c
  136. net.h
  137. osdep.c
  138. osdep.h
  139. path.c
  140. pci-ids.txt
  141. posix-aio-compat.c
  142. ppc-dis.c
  143. ppc.ld
  144. ppc64.ld
  145. qdict-test-data.txt
  146. qdict.c
  147. qdict.h
  148. qemu-aio.h
  149. qemu-binfmt-conf.sh
  150. qemu-char.c
  151. qemu-char.h
  152. qemu-common.h
  153. qemu-config.c
  154. qemu-config.h
  155. qemu-doc.texi
  156. qemu-img-cmds.hx
  157. qemu-img.c
  158. qemu-img.texi
  159. qemu-io.c
  160. qemu-lock.h
  161. qemu-log.h
  162. qemu-malloc.c
  163. qemu-monitor.hx
  164. qemu-nbd.c
  165. qemu-nbd.texi
  166. qemu-option.c
  167. qemu-option.h
  168. qemu-options.hx
  169. qemu-queue.h
  170. qemu-sockets.c
  171. qemu-tech.texi
  172. qemu-thread.c
  173. qemu-thread.h
  174. qemu-timer.h
  175. qemu-tool.c
  176. qemu.sasl
  177. qemu_socket.h
  178. qint.c
  179. qint.h
  180. qobject.h
  181. qstring.c
  182. qstring.h
  183. readline.c
  184. readline.h
  185. README
  186. rules.mak
  187. s390-dis.c
  188. s390.ld
  189. savevm.c
  190. sdl.c
  191. sdl_keysym.h
  192. sdl_zoom.c
  193. sdl_zoom.h
  194. sdl_zoom_template.h
  195. sh4-dis.c
  196. softmmu-semi.h
  197. softmmu_defs.h
  198. softmmu_exec.h
  199. softmmu_header.h
  200. softmmu_template.h
  201. sparc-dis.c
  202. sparc.ld
  203. sparc64.ld
  204. sysemu.h
  205. tap-win32.c
  206. targphys.h
  207. tcg-runtime.c
  208. texi2pod.pl
  209. thunk.c
  210. thunk.h
  211. TODO
  212. translate-all.c
  213. uboot_image.h
  214. usb-bsd.c
  215. usb-linux.c
  216. usb-stub.c
  217. VERSION
  218. vgafont.h
  219. vl.c
  220. vnc-auth-sasl.c
  221. vnc-auth-sasl.h
  222. vnc-auth-vencrypt.c
  223. vnc-auth-vencrypt.h
  224. vnc-tls.c
  225. vnc-tls.h
  226. vnc.c
  227. vnc.h
  228. vnc_keysym.h
  229. vnchextile.h
  230. x86_64.ld
  231. x_keymap.c
  232. x_keymap.h