[PATCH kvmtool 11/21] hw/rtc: Switch to new trap handler
From: Andre Przywara <andre.przywara@arm.com>
Date: 2020-12-10 14:54:21
Also in:
kvm, kvmarm
Subsystem:
the rest · Maintainer:
Linus Torvalds
Now that the RTC device has a trap handler adhering to the MMIO fault handler prototype, let's switch over to the joint registration routine. This allows us to get rid of the ioport shim routines. Signed-off-by: Andre Przywara <andre.przywara@arm.com> --- hw/rtc.c | 21 ++------------------- 1 file changed, 2 insertions(+), 19 deletions(-)
diff --git a/hw/rtc.c b/hw/rtc.c
index 664d4cb0..ee4c9102 100644
--- a/hw/rtc.c
+++ b/hw/rtc.c@@ -120,23 +120,6 @@ static void cmos_ram_io(struct kvm_cpu *vcpu, u64 addr, u8 *data, } } -static bool cmos_ram_in(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void *data, int size) -{ - cmos_ram_io(vcpu, port, data, size, false, NULL); - return true; -} - -static bool cmos_ram_out(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void *data, int size) -{ - cmos_ram_io(vcpu, port, data, size, true, NULL); - return true; -} - -static struct ioport_operations cmos_ram_ioport_ops = { - .io_out = cmos_ram_out, - .io_in = cmos_ram_in, -}; - #ifdef CONFIG_HAS_LIBFDT static void generate_rtc_fdt_node(void *fdt, struct device_header *dev_hdr,
@@ -169,7 +152,7 @@ int rtc__init(struct kvm *kvm) return r; /* PORT 0070-007F - CMOS RAM/RTC (REAL TIME CLOCK) */ - r = ioport__register(kvm, 0x0070, &cmos_ram_ioport_ops, 2, NULL); + r = kvm__register_pio(kvm, 0x0070, 2, cmos_ram_io, NULL); if (r < 0) goto out_device;
@@ -188,7 +171,7 @@ dev_init(rtc__init); int rtc__exit(struct kvm *kvm) { /* PORT 0070-007F - CMOS RAM/RTC (REAL TIME CLOCK) */ - ioport__unregister(kvm, 0x0070); + kvm__deregister_pio(kvm, 0x0070); return 0; }
--
2.17.1
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