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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-10-12 11:57:58 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-10-17 13:59:40 +0200 |
| commit | 8543a806912da7cdbc45303226762372f92f689b (patch) | |
| tree | fc8ddf9b5538ca610f514e3af887e11a985a2fdb /hw/mips/mipssim.c | |
| parent | 3ca7639ff0077ef1869c88523360c017defecaad (diff) | |
| download | qemu-8543a806912da7cdbc45303226762372f92f689b.zip qemu-8543a806912da7cdbc45303226762372f92f689b.tar.gz qemu-8543a806912da7cdbc45303226762372f92f689b.tar.bz2 | |
hw/mips/mipssim: Correct CPU frequency
The MIPSsim machine CPU frequency is too fast running at 200 MHz,
while it should be 12 MHz for the 24K and 6 MHz for the 5K core.
Ref: Linux commit c78cbf49c4ed
("Support for MIPSsim, the cycle accurate MIPS simulator.")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-16-f4bug@amsat.org>
Diffstat (limited to 'hw/mips/mipssim.c')
| -rw-r--r-- | hw/mips/mipssim.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c index 5d4ad74..f0042f7 100644 --- a/hw/mips/mipssim.c +++ b/hw/mips/mipssim.c @@ -29,6 +29,7 @@ #include "qapi/error.h" #include "qemu-common.h" #include "cpu.h" +#include "hw/clock.h" #include "hw/mips/mips.h" #include "hw/mips/cpudevs.h" #include "hw/char/serial.h" @@ -150,13 +151,21 @@ mips_mipssim_init(MachineState *machine) MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *isa = g_new(MemoryRegion, 1); MemoryRegion *bios = g_new(MemoryRegion, 1); + Clock *cpuclk; MIPSCPU *cpu; CPUMIPSState *env; ResetData *reset_info; int bios_size; + cpuclk = clock_new(OBJECT(machine), "cpu-refclk"); +#ifdef TARGET_MIPS64 + clock_set_hz(cpuclk, 6000000); /* 6 MHz */ +#else + clock_set_hz(cpuclk, 12000000); /* 12 MHz */ +#endif + /* Init CPUs. */ - cpu = MIPS_CPU(cpu_create(machine->cpu_type)); + cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk); env = &cpu->env; reset_info = g_malloc0(sizeof(ResetData)); |