The i8042 is clearly an 8-bit era device, so there is little room for 32-bit registers. Clean up the data types used.
Signed-off-by: Andre Przywara <[email protected]> --- hw/i8042.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/hw/i8042.c b/hw/i8042.c index 37a99a2d..36ee183f 100644 --- a/hw/i8042.c +++ b/hw/i8042.c @@ -64,11 +64,11 @@ struct kbd_state { struct kvm *kvm; - char kq[QUEUE_SIZE]; /* Keyboard queue */ + u8 kq[QUEUE_SIZE]; /* Keyboard queue */ int kread, kwrite; /* Indexes into the queue */ int kcount; /* number of elements in queue */ - char mq[QUEUE_SIZE]; + u8 mq[QUEUE_SIZE]; int mread, mwrite; int mcount; @@ -173,9 +173,9 @@ static void kbd_write_command(struct kvm *kvm, u8 val) /* * Called when the OS reads from port 0x60 (PS/2 data) */ -static u32 kbd_read_data(void) +static u8 kbd_read_data(void) { - u32 ret; + u8 ret; int i; if (state.kcount != 0) { @@ -202,9 +202,9 @@ static u32 kbd_read_data(void) /* * Called when the OS read from port 0x64, the command port */ -static u32 kbd_read_status(void) +static u8 kbd_read_status(void) { - return (u32)state.status; + return state.status; } /* @@ -212,7 +212,7 @@ static u32 kbd_read_status(void) * Things written here are generally arguments to commands previously * written to port 0x64 and stored in state.write_cmd */ -static void kbd_write_data(u32 val) +static void kbd_write_data(u8 val) { switch (state.write_cmd) { case I8042_CMD_CTL_WCTR: @@ -304,8 +304,8 @@ static bool kbd_in(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void * break; } case I8042_DATA_REG: { - u32 value = kbd_read_data(); - ioport__write32(data, value); + u8 value = kbd_read_data(); + ioport__write8(data, value); break; } case I8042_PORT_B_REG: { @@ -328,7 +328,7 @@ static bool kbd_out(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void break; } case I8042_DATA_REG: { - u32 value = ioport__read32(data); + u8 value = ioport__read8(data); kbd_write_data(value); break; } -- 2.17.1 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
