haraldwolff/qemu-patch-raspberry4
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ioport read command

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@912 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-08 00:55:58 +00:00
parent d329a6fb22
commit 3440557b6d
1 changed files with 51 additions and 5 deletions
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56
monitor.c
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@ -630,6 +630,35 @@ static void do_send_key(const char *string)
}
}
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
{
uint32_t val;
int suffix;
if (has_index) {
cpu_outb(NULL, addr & 0xffff, index & 0xff);
addr++;
}
addr &= 0xffff;
switch(size) {
default:
case 1:
val = cpu_inb(NULL, addr);
suffix = 'b';
break;
case 2:
val = cpu_inw(NULL, addr);
suffix = 'w';
break;
case 4:
val = cpu_inl(NULL, addr);
suffix = 'l';
break;
}
term_printf("port%c[0x%04x] = %#0*x\n",
suffix, addr, size * 2, val);
}
static term_cmd_t term_cmds[] = {
{ "help|?", "s?", do_help,
@ -666,6 +695,9 @@ static term_cmd_t term_cmds[] = {
"/fmt addr", "physical memory dump starting at 'addr'", },
{ "p|print", "/i", do_print,
"/fmt expr", "print expression value (use $reg for CPU register access)", },
{ "i", "/ii.", do_ioport_read,
"/fmt addr", "I/O port read" },
{ "sendkey", "s", do_send_key,
"keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
{ NULL, NULL, },
@ -1285,12 +1317,23 @@ static void term_handle_command(const char *cmdline)
int val;
while (isspace(*p))
p++;
if (*typestr == '?') {
if (*typestr == '?' || *typestr == '.') {
typestr++;
if (*p == '\0')
has_arg = 0;
else
has_arg = 1;
if (*typestr == '?') {
if (*p == '\0')
has_arg = 0;
else
has_arg = 1;
} else {
if (*p == '.') {
p++;
while (isspace(*p))
p++;
has_arg = 1;
} else {
has_arg = 0;
}
}
if (nb_args >= MAX_ARGS)
goto error_args;
args[nb_args++] = (void *)has_arg;
@ -1369,6 +1412,9 @@ static void term_handle_command(const char *cmdline)
case 5:
cmd->handler(args[0], args[1], args[2], args[3], args[4]);
break;
case 6:
cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
break;
default:
term_printf("unsupported number of arguments: %d\n", nb_args);
goto fail;