#include "hw/riscv/sifive_clint.h"
#include "qemu/timer.h"
-/* See: riscv-pk/machine/sbi_entry.S and arch/riscv/kernel/time.c */
-#define TIMER_FREQ (10 * 1000 * 1000)
-
static uint64_t cpu_riscv_read_rtc(void)
{
- return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), TIMER_FREQ,
- NANOSECONDS_PER_SECOND);
+ return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL),
+ SIFIVE_CLINT_TIMEBASE_FREQ, NANOSECONDS_PER_SECOND);
}
/*
diff = cpu->env.timecmp - rtc_r;
/* back to ns (note args switched in muldiv64) */
next = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
- muldiv64(diff, NANOSECONDS_PER_SECOND, TIMER_FREQ);
+ muldiv64(diff, NANOSECONDS_PER_SECOND, SIFIVE_CLINT_TIMEBASE_FREQ);
timer_mod(cpu->env.timer, next);
}
g_free(nodename);
qemu_fdt_add_subnode(fdt, "/cpus");
- qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency", 10000000);
+ qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency",
+ SIFIVE_CLINT_TIMEBASE_FREQ);
qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0);
qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1);
char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
char *isa = riscv_isa_string(&s->soc.harts[cpu]);
qemu_fdt_add_subnode(fdt, nodename);
- qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", 1000000000);
+ qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency",
+ SIFIVE_U_CLOCK_FREQ);
qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48");
qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa);
qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv");
g_free(nodename);
qemu_fdt_add_subnode(fdt, "/cpus");
- qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency", 10000000);
+ qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency",
+ SIFIVE_CLINT_TIMEBASE_FREQ);
qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0);
qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1);
char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
char *isa = riscv_isa_string(&s->soc.harts[cpu]);
qemu_fdt_add_subnode(fdt, nodename);
- qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", 1000000000);
+ qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency",
+ SPIKE_CLOCK_FREQ);
qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48");
qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa);
qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv");
g_free(nodename);
qemu_fdt_add_subnode(fdt, "/cpus");
- qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency", 10000000);
+ qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency",
+ SIFIVE_CLINT_TIMEBASE_FREQ);
qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0);
qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1);
char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
char *isa = riscv_isa_string(&s->soc.harts[cpu]);
qemu_fdt_add_subnode(fdt, nodename);
- qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", 1000000000);
+ qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency",
+ VIRT_CLOCK_FREQ);
qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48");
qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa);
qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv");
SIFIVE_TIME_BASE = 0xBFF8
};
+enum {
+ SIFIVE_CLINT_TIMEBASE_FREQ = 10000000
+};
+
#endif
SIFIVE_U_UART1_IRQ = 4
};
+enum {
+ SIFIVE_U_CLOCK_FREQ = 1000000000
+};
+
#define SIFIVE_U_PLIC_HART_CONFIG "MS"
#define SIFIVE_U_PLIC_NUM_SOURCES 127
#define SIFIVE_U_PLIC_NUM_PRIORITIES 7
SPIKE_DRAM
};
+enum {
+ SPIKE_CLOCK_FREQ = 1000000000
+};
+
#if defined(TARGET_RISCV32)
#define SPIKE_V1_09_1_CPU TYPE_RISCV_CPU_RV32GCSU_V1_09_1
#define SPIKE_V1_10_0_CPU TYPE_RISCV_CPU_RV32GCSU_V1_10_0
VIRTIO_NDEV = 10
};
+enum {
+ VIRT_CLOCK_FREQ = 1000000000
+};
+
#define VIRT_PLIC_HART_CONFIG "MS"
#define VIRT_PLIC_NUM_SOURCES 127
#define VIRT_PLIC_NUM_PRIORITIES 7