This was a slightly duff format for rst, make it use proper headings. Signed-off-by: Alex Bennée <alex.ben...@linaro.org> --- docs/user/main.rst | 50 ++++++++++++++++++++++++++-------------------- 1 file changed, 28 insertions(+), 22 deletions(-)
diff --git a/docs/user/main.rst b/docs/user/main.rst index 9a1c60448c5..b8ff203c212 100644 --- a/docs/user/main.rst +++ b/docs/user/main.rst @@ -17,28 +17,34 @@ Features QEMU user space emulation has the following notable features: -**System call translation:** - QEMU includes a generic system call translator. This means that the - parameters of the system calls can be converted to fix endianness and - 32/64-bit mismatches between hosts and targets. IOCTLs can be - converted too. - -**POSIX signal handling:** - QEMU can redirect to the running program all signals coming from the - host (such as ``SIGALRM``), as well as synthesize signals from - virtual CPU exceptions (for example ``SIGFPE`` when the program - executes a division by zero). - - QEMU relies on the host kernel to emulate most signal system calls, - for example to emulate the signal mask. On Linux, QEMU supports both - normal and real-time signals. - -**Threading:** - On Linux, QEMU can emulate the ``clone`` syscall and create a real - host thread (with a separate virtual CPU) for each emulated thread. - Note that not all targets currently emulate atomic operations - correctly. x86 and Arm use a global lock in order to preserve their - semantics. +System call translation +~~~~~~~~~~~~~~~~~~~~~~~ + +QEMU includes a generic system call translator. This means that the +parameters of the system calls can be converted to fix endianness +and 32/64-bit mismatches between hosts and targets. IOCTLs can be +converted too. + +POSIX signal handling +~~~~~~~~~~~~~~~~~~~~~ + +QEMU can redirect to the running program all signals coming from the +host (such as ``SIGALRM``), as well as synthesize signals from +virtual CPU exceptions (for example ``SIGFPE`` when the program +executes a division by zero). + +QEMU relies on the host kernel to emulate most signal system calls, +for example to emulate the signal mask. On Linux, QEMU supports both +normal and real-time signals. + +Threading +~~~~~~~~~ + +On Linux, QEMU can emulate the ``clone`` syscall and create a real +host thread (with a separate virtual CPU) for each emulated thread. +Note that not all targets currently emulate atomic operations +correctly. x86 and Arm use a global lock in order to preserve their +semantics. QEMU was conceived so that ultimately it can emulate itself. Although it is not very useful, it is an important test to show the power of the -- 2.47.2
