int arch_defterm_getc(u8 *ch)
{
if (!uart_lowlevel_can_getc(omap3_uart_base, 4)) {
return VMM_EFAIL;
}
*ch = uart_lowlevel_getc(omap3_uart_base, 4);
return VMM_OK;
}
int arch_defterm_getc(u8 *ch)
{
if (uart_base) {
if (!uart_lowlevel_can_getc(uart_base, 1)) {
return VMM_EFAIL;
}
*ch = uart_lowlevel_getc(uart_base, 1);
}
return VMM_OK;
}
static u32 uart_read(struct vmm_chardev *cdev,
u8 *dest, u32 offset, u32 len, bool sleep)
{
u32 i;
struct uart_port *port;
if (!(cdev && dest && cdev->priv)) {
return 0;
}
port = cdev->priv;
for(i = 0; i < len; i++) {
if (!uart_lowlevel_can_getc(port->base, port->reg_align)) {
break;
}
dest[i] = uart_lowlevel_getc(port->base, port->reg_align);
}
return i;
}
u8 uart_lowlevel_getc(virtual_addr_t base, u32 reg_align)
{
while (!uart_lowlevel_can_getc(base, reg_align));
return (vmm_in_8((u8 *)REG_UART_RBR(base,reg_align)));
}
