/*
 * Copyright 2008, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              François Revol, revol@free.fr
 */


#include <debug.h>
#include <driver_settings.h>
#include <ISA.h>

static isa_module_info *sISAModule;


static int
debugger_puts(const char *s, int32 length)
{
        int i;
        for (i = 0; i < length; i++)
                sISAModule->write_io_8(0xe9, s[i]);
        return i;
}


static status_t
std_ops(int32 op, ...)
{
        void *handle;
        bool load = false;

        switch (op) {
        case B_MODULE_INIT:
                handle = load_driver_settings("kernel");
                if (handle) {
                        load = get_driver_boolean_parameter(handle,
                                "bochs_debug_output", load, true);
                        unload_driver_settings(handle);
                }
                if (load) {
                        if (get_module(B_ISA_MODULE_NAME, (module_info **)&sISAModule) < B_OK)
                                return B_ERROR;
                }
                return load ? B_OK : B_ERROR;
        case B_MODULE_UNINIT:
                put_module(B_ISA_MODULE_NAME);
                return B_OK;
        }
        return B_BAD_VALUE;
}


static struct debugger_module_info sModuleInfo = {
        {
                "debugger/bochs/v1",
                0,
                &std_ops
        },
        NULL,
        NULL,
        debugger_puts,
        NULL
};

module_info *modules[] = { 
        (module_info *)&sModuleInfo,
        NULL
};