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Diffstat (limited to 'rust/qemu-api/src/sysbus.rs')
| -rw-r--r-- | rust/qemu-api/src/sysbus.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/rust/qemu-api/src/sysbus.rs b/rust/qemu-api/src/sysbus.rs index 8193734bde..b96eaaf25f 100644 --- a/rust/qemu-api/src/sysbus.rs +++ b/rust/qemu-api/src/sysbus.rs @@ -38,6 +38,18 @@ impl SysBusDevice { addr_of!(*self) as *mut _ } + /// Expose a memory region to the board so that it can give it an address + /// in guest memory. Note that the ordering of calls to `init_mmio` is + /// important, since whoever creates the sysbus device will refer to the + /// region with a number that corresponds to the order of calls to + /// `init_mmio`. + pub fn init_mmio(&self, iomem: &bindings::MemoryRegion) { + assert!(bql_locked()); + unsafe { + bindings::sysbus_init_mmio(self.as_mut_ptr(), addr_of!(*iomem) as *mut _); + } + } + /// Expose an interrupt source outside the device as a qdev GPIO output. /// Note that the ordering of calls to `init_irq` is important, since /// whoever creates the sysbus device will refer to the interrupts with |