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authorblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-20 08:09:05 +0000
committerblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2007-10-20 08:09:05 +0000
commita785e42e06ca502338e15cd87113049a6ae732b2 (patch)
tree7229d30e62be5b1aa8799fce925cd45cb8f48b7b
parent20b749f6079ba1f9a2959c88f22525d0fa49c1ac (diff)
downloadqemu-a785e42e06ca502338e15cd87113049a6ae732b2.tar.gz
Update Sparc parts in documentation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3413 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r--qemu-doc.texi14
-rw-r--r--qemu-tech.texi10
2 files changed, 16 insertions, 8 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi
index 6233ad1e91..4d31f648e7 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -242,7 +242,8 @@ Set virtual RAM size to @var{megs} megabytes. Default is 128 MB.
@item -smp n
Simulate an SMP system with @var{n} CPUs. On the PC target, up to 255
-CPUs are supported.
+CPUs are supported. On Sparc32 target, Linux limits the number of usable CPUs
+to 4.
@item -audio-help
@@ -1942,6 +1943,8 @@ More information is available at
Use the executable @file{qemu-system-sparc} to simulate a SparcStation 5
or SparcStation 10 (sun4m architecture). The emulation is somewhat complete.
+SMP up to 16 CPUs is supported, but Linux limits the number of usable CPUs
+to 4.
QEMU emulates the following sun4m peripherals:
@@ -1965,7 +1968,8 @@ Floppy drive
CS4231 sound device (only on SS-5, not working yet)
@end itemize
-The number of peripherals is fixed in the architecture.
+The number of peripherals is fixed in the architecture. Maximum memory size
+depends on the machine type, for SS-5 it is 256MB and for SS-10 2047MB.
Since version 0.8.2, QEMU uses OpenBIOS
@url{http://www.openbios.org/}. OpenBIOS is a free (GPL v2) portable
@@ -2382,6 +2386,12 @@ coldfire uClinux bFLT format binaries.
The binary format is detected automatically.
+@command{qemu-sparc32plus} can execute Sparc32 and SPARC32PLUS binaries
+(Sparc64 CPU, 32 bit ABI).
+
+@command{qemu-sparc64} can execute some Sparc64 (Sparc64 CPU, 64 bit ABI) and
+SPARC32PLUS binaries (Sparc64 CPU, 32 bit ABI).
+
@node Mac OS X/Darwin User space emulator
@section Mac OS X/Darwin User space emulator
diff --git a/qemu-tech.texi b/qemu-tech.texi
index 242bbb641f..9147096d93 100644
--- a/qemu-tech.texi
+++ b/qemu-tech.texi
@@ -199,9 +199,10 @@ FPU and MMU.
@item Full SPARC V8 emulation, including privileged
instructions, FPU and MMU. SPARC V9 emulation includes most privileged
-instructions, FPU and I/D MMU, but misses most VIS instructions.
+and VIS instructions, FPU and I/D MMU. Alignment is fully enforced.
-@item Can run most 32-bit SPARC Linux binaries and some handcrafted 64-bit SPARC Linux binaries.
+@item Can run most 32-bit SPARC Linux binaries, SPARC32PLUS Linux binaries and
+some 64-bit SPARC Linux binaries.
@end itemize
@@ -212,10 +213,7 @@ Current QEMU limitations:
@item IPC syscalls are missing.
@item 128-bit floating point operations are not supported, though none of the
-real CPUs implement them either. FCMPE[SD] are not correctly
-implemented. Floating point exception support is untested.
-
-@item Alignment is not enforced at all.
+real CPUs implement them either. Floating point exception support is untested.
@item Atomic instructions are not correctly implemented.