diff options
Diffstat (limited to 'usr.sbin/bhyve/aarch64/bhyverun_machdep.c')
| -rw-r--r-- | usr.sbin/bhyve/aarch64/bhyverun_machdep.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/aarch64/bhyverun_machdep.c b/usr.sbin/bhyve/aarch64/bhyverun_machdep.c index 2aa7d2d9b4fd..a5fd3f054706 100644 --- a/usr.sbin/bhyve/aarch64/bhyverun_machdep.c +++ b/usr.sbin/bhyve/aarch64/bhyverun_machdep.c @@ -48,6 +48,7 @@ #include "mem.h" #include "pci_emul.h" #include "pci_irq.h" +#include "rtc_pl031.h" #include "uart_emul.h" /* Start of mem + 1M */ @@ -58,6 +59,9 @@ #define UART_MMIO_BASE 0x10000 #define UART_MMIO_SIZE 0x1000 #define UART_INTR 32 +#define RTC_MMIO_BASE 0x11000 +#define RTC_MMIO_SIZE 0x1000 +#define RTC_INTR 33 #define GIC_DIST_BASE 0x2f000000 #define GIC_DIST_SIZE 0x10000 @@ -287,6 +291,60 @@ init_mmio_uart(struct vmctx *ctx) return (true); } +static void +mmio_rtc_intr_assert(void *arg) +{ + struct vmctx *ctx = arg; + + vm_assert_irq(ctx, RTC_INTR); +} + +static void +mmio_rtc_intr_deassert(void *arg) +{ + struct vmctx *ctx = arg; + + vm_deassert_irq(ctx, RTC_INTR); +} + +static int +mmio_rtc_mem_handler(struct vcpu *vcpu __unused, int dir, + uint64_t addr, int size __unused, uint64_t *val, void *arg1, long arg2) +{ + struct rtc_pl031_softc *sc = arg1; + long reg; + + reg = addr - arg2; + if (dir == MEM_F_WRITE) + rtc_pl031_write(sc, reg, *val); + else + *val = rtc_pl031_read(sc, reg); + + return (0); +} + +static void +init_mmio_rtc(struct vmctx *ctx) +{ + struct rtc_pl031_softc *sc; + struct mem_range mr; + int error; + + sc = rtc_pl031_init(mmio_rtc_intr_assert, mmio_rtc_intr_deassert, + ctx); + + bzero(&mr, sizeof(struct mem_range)); + mr.name = "rtc"; + mr.base = RTC_MMIO_BASE; + mr.size = RTC_MMIO_SIZE; + mr.flags = MEM_F_RW; + mr.handler = mmio_rtc_mem_handler; + mr.arg1 = sc; + mr.arg2 = mr.base; + error = register_mem(&mr); + assert(error == 0); +} + static vm_paddr_t fdt_gpa(struct vmctx *ctx) { @@ -328,6 +386,8 @@ bhyve_init_platform(struct vmctx *ctx, struct vcpu *bsp) if (init_mmio_uart(ctx)) fdt_add_uart(UART_MMIO_BASE, UART_MMIO_SIZE, UART_INTR); + init_mmio_rtc(ctx); + fdt_add_rtc(RTC_MMIO_BASE, RTC_MMIO_SIZE, RTC_INTR); fdt_add_timer(); pci_irq_init(pcie_intrs); fdt_add_pcie(pcie_intrs); |