OpenE2K/qemu-e2k
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c8aeab3a09
qemu-e2k/target/mips
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Simon Burge c8aeab3a09 target/mips: Fix cycle counter timing calculations 
The cp0_count_ns value is calculated from the CP0_COUNT_RATE_DEFAULT
constant in target/mips/cpu.c.  The cycle counter resolution is defined
per-CPU in target/mips/cpu-defs.c.inc; use this value for calculating
cp0_count_ns.  Fixings timing problems on guest OSs for the 20Kc CPU
which has a CCRes of 1.

Signed-off-by: Simon Burge <simonb@NetBSD.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211213135125.18378-1-simonb@NetBSD.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2022-03-07 20:34:17 +01:00
..
sysemu target/mips: Move CP0 helpers to sysemu/cp0.c 2021-05-02 16:49:35 +02:00
tcg exec/exec-all: Move 'qemu/log.h' include in units requiring it 2022-02-21 10:18:06 +01:00
cpu-defs.c.inc target/mips: Remove obsolete FCR0_HAS2008 comment on P5600 CPU 2021-11-02 14:32:32 +01:00
cpu-param.h target/mips: Support variable page size 2020-06-01 13:28:21 +02:00
cpu-qom.h target/mips: Fold jazz behaviour into mips_cpu_do_transaction_failed 2021-05-26 15:33:59 -07:00
cpu.c target/mips: Fix cycle counter timing calculations 2022-03-07 20:34:17 +01:00
cpu.h include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
fpu_helper.h target/mips: Set set_default_nan_mode with set_snan_bit_is_one 2021-05-16 07:13:51 -05:00
fpu.c target/mips: Optimize CPU/FPU regnames[] arrays 2021-05-02 16:49:34 +02:00
gdbstub.c target/mips: Extract FPU helpers to 'fpu_helper.h' 2021-01-14 17:13:53 +01:00
helper.h target/mips: Extract NEC Vr54xx helper definitions 2021-08-25 13:02:14 +02:00
internal.h include/exec: Move cpu_signal_handler declaration 2021-09-21 19:36:44 -07:00
Kconfig meson: Introduce target-specific Kconfig 2021-07-09 18:21:34 +02:00
kvm_mips.h hw/mips: Implement the kvm_type() hook in MachineClass 2020-06-27 19:35:39 +02:00
kvm.c sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
meson.build target/mips: Move TCG source files under tcg/ sub directory 2021-05-02 16:49:35 +02:00
mips-defs.h target/mips: Remove vendor specific CPU definitions 2021-01-14 17:13:54 +01:00
msa.c target/mips: Move msa_reset() to new source file 2021-05-02 16:49:34 +02:00
TODO