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37 Commits

Author SHA1 Message Date
aliguori
492c30af25 Make DMA bottom-half driven (v2) 
The current DMA routines are driven by a call in main_loop_wait() after every
select.

This patch converts the DMA code to be driven by a constantly rescheduled
bottom half.  The advantage of using a scheduled bottom half is that we can
stop scheduling the bottom half when there no DMA channels are runnable.  This
means we can potentially detect this case and sleep longer in the main loop.

The only two architectures implementing DMA_run() are cris and i386.  For cris,
I converted it to a simple repeating bottom half.  I've only compile tested
this as cris does not seem to work on a 64-bit host.  It should be functionally
identical to the previous implementation so I expect it to work.

For x86, I've made sure to only fire the DMA bottom half if there is a DMA
channel that is runnable.  The effect of this is that unless you're using sb16
or a floppy disk, the DMA bottom half never fires.

You probably should test this malc.  My own benchmarks actually show slight
improvement by it's possible the change in timing could affect your demos.

Since v1, I've changed the code to use a BH instead of a timer.  cris at least
seems to depend on faster than 10ms polling.

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



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5573 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-10-31 17:25:56 +00:00
balrog
3d878caab9 Set default max_cpus to one. 
Clean-up machine definitions.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5566 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-10-28 10:59:59 +00:00
aliguori
b2097003ec machine struct - specify max_cpus at the per machine level (Jes Sorensen) 
Introduce a max_cpus per-machine variable, allowing individual boards
to limit it's number of CPUs. Check requested number of CPUs in setup
code and exit if it exceeds the supported number for the machine.
This also renders the static MAX_CPUS check obsolete, so remove this
from vl.c.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5443 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-10-07 20:39:39 +00:00
aliguori
4b32e16880 machine struct - use C99 initializers (Jes Sorensen) 
Modify all the machine struct declarations to use C99 initializers.
This patch has no functional changes.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5442 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-10-07 20:34:35 +00:00
ths
1235fc066a Spelling fixes, by Stefan Weil. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4655 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-06-03 19:51:57 +00:00
aurel32
00f82b8a31 Use correct types to enable > 2G support, based on a patch from 
Anthony Liguori.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4265 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-27 21:12:55 +00:00
balrog
7fb4fdcffe RAM usage information in machine definition. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4246 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-24 17:59:27 +00:00
aurel32
03875444d9 Revert "Use correct types to enable > 2G support" (r4238), it is 
not yet ready.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4240 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-22 20:45:18 +00:00
aurel32
967032c3d5 Use correct types to enable > 2G support, based on a patch from 
Anthony Liguori.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4238 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-22 20:37:34 +00:00
balrog
f93eb9ff66 Move the excess of arm_load_kernel() parameters into a struct. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4212 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-14 20:27:51 +00:00
ths
e4bcb14c79 Add -drive parameter, by Laurent Vivier. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3759 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-12-02 04:51:10 +00:00
blueswir1
b881c2c6e7 Remove unused parameters from QEMUMachineInitFunc (Laurent Vivier) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3687 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-18 08:46:58 +00:00
pbrook
87ecb68bdf Break up vl.h. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3674 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-17 17:14:51 +00:00
pbrook
9ee6e8bb85 ARMv7 support. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3572 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-11 00:04:49 +00:00
pbrook
4d1165fa61 Fix 64-bit host printf format mismatches. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3564 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-10 16:34:46 +00:00
bellard
aaed909a49 added cpu_model parameter to cpu_init() 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3562 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-10 15:15:54 +00:00
balrog
6ac0e82da1 Set boot sequence from command line (Dan Kenigsberg). 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3497 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-10-31 01:54:04 +00:00
ths
5fafdf24ef find -type f | xargs sed -i 's/[\t ]$//g' # on most files 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-16 21:08:06 +00:00
pbrook
7e1543c23b ARM PL031 RTC emulation. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3037 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-06-30 17:32:17 +00:00
pbrook
187337f8b0 Fix off-by-one memory region sizes. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2931 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-06-03 15:19:33 +00:00
blueswir1
c4a7060cf7 New option -net nic,model=? (Mark Glines) 
Network documentation update (Mark Glines)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2880 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-05-27 19:41:17 +00:00
balrog
9d55199763 Account for machine with RAM which is not mapped at 0x0 in arm_boot.c. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2757 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-04-30 02:24:42 +00:00
pbrook
d537cf6c86 Unify IRQ handling. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2635 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-04-07 18:14:41 +00:00
pbrook
a1bb27b1e9 SD card emulation (initial implementation by Andrzei Zaborowski). 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2620 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-04-06 16:49:48 +00:00
pbrook
3371d27293 Implement --cpu for ARM. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2474 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-03-08 03:04:12 +00:00
j_mayer
94fc95cdb2 New -cpu options: choose CPU model for emulated target. 
Only relevant on PowerPC targets, for now.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2468 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-03-05 19:44:02 +00:00
pbrook
daf90626be ARM ELF loader. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2320 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-01-16 18:54:31 +00:00
pbrook
29bfb11725 Add casts for 64-bit hosts. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2218 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-11-19 23:07:17 +00:00
pbrook
1640695026 Add nominal ARM Versatil/AB board emulation. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1864 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-04-27 23:15:07 +00:00
pbrook
cdbdb648b7 ARM Versatile Platform Baseboard emulation. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1804 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-04-09 01:32:52 +00:00
pbrook
95219897ff Allow multiple graphics devices. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1803 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-04-09 01:06:34 +00:00
pbrook
40f137e1ea Add Arm926 core support. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1765 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-02-20 00:33:36 +00:00
pbrook
242011157f Fix Arm big-endian host bug. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1762 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-02-13 14:16:52 +00:00
pbrook
bdd5003ae5 Arm display emulation. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1746 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-02-06 04:11:15 +00:00
pbrook
a41b2ff2dd Allow selection of emulated network card. 
rtl8139 emulation.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1745 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-02-05 04:14:41 +00:00
bellard
80337b66a8 NIC emulation for qemu arm-softmmu (Paul Brook) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1682 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-12-04 18:54:21 +00:00
bellard
b5ff1b3127 ARM system emulation (Paul Brook) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1661 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-11-26 10:38:39 +00:00