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Add HPET emulation to qemu (Beth Kon)

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This patch adds HPET emulation.  It can be disabled with -disable-hpet.  An hpet
provides a more finely granular clocksource than otherwise available on PC.
This means that latency-dependent applications (e.g. multimedia) will generally
be smoother when using the HPET.

Signed-off-by: Beth Kon <eak@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6081 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2008-12-17 23:28:44 +00:00
parent 0bacd1300d
commit 16b29ae180
13 changed files with 938 additions and 6 deletions
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7
monitor.c
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@ -252,6 +252,11 @@ static void do_info_name(void)
term_printf("%s\n", qemu_name);
}
static void do_info_hpet(void)
{
term_printf("HPET is %s by QEMU\n", (no_hpet) ? "disabled" : "enabled");
}
static void do_info_uuid(void)
{
term_printf(UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1], qemu_uuid[2],
@ -1531,6 +1536,8 @@ static const term_cmd_t info_cmds[] = {
"", "show virtual to physical memory mappings", },
{ "mem", "", mem_info,
"", "show the active virtual memory mappings", },
{ "hpet", "", do_info_hpet,
"", "show state of HPET", },
#endif
{ "jit", "", do_info_jit,
"", "show dynamic compiler info", },