target/mips/cp0_timer: Document TIMER_PERIOD origin
commit8dadffc01700f79fd66db972fff3a93a594715ee
authorPhilippe Mathieu-Daudé <f4bug@amsat.org>
Mon, 12 Oct 2020 09:57:50 +0000 (12 11:57 +0200)
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>
Sat, 17 Oct 2020 09:13:15 +0000 (17 11:13 +0200)
treedb238390da1d3207854d153ca5c016ec819e0caa
parent62f8f2603da7fbcc481489d2903558001a896cad
target/mips/cp0_timer: Document TIMER_PERIOD origin

TIMER_PERIOD value of '10 ns' can be explained looking at
commit 6af0bf9c7c3doc, where the CPU frequency is 200 MHz
and CP0 default count rate is half the frequency of the
CPU. Document that.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-8-f4bug@amsat.org>
target/mips/cp0_timer.c