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-rw-r--r--hw/char/sclpconsole.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/hw/char/sclpconsole.c b/hw/char/sclpconsole.c
index 16d77c5e27..ce406730a5 100644
--- a/hw/char/sclpconsole.c
+++ b/hw/char/sclpconsole.c
@@ -36,7 +36,6 @@ typedef struct SCLPConsole {
uint32_t iov_bs; /* offset in buf for char layer read operation */
uint32_t iov_data_len; /* length of byte stream in buffer */
uint32_t iov_sclp_rest; /* length of byte stream not read via SCLP */
- qemu_irq irq_read_vt220;
} SCLPConsole;
/* character layer call-back functions */
@@ -49,11 +48,12 @@ static int chr_can_read(void *opaque)
return SIZE_BUFFER_VT220 - scon->iov_data_len;
}
-/* Receive n bytes from character layer, save in iov buffer,
- * and set event pending */
-static void receive_from_chr_layer(SCLPConsole *scon, const uint8_t *buf,
- int size)
+/* Send data from a char device over to the guest */
+static void chr_read(void *opaque, const uint8_t *buf, int size)
{
+ SCLPConsole *scon = opaque;
+
+ assert(scon);
/* read data must fit into current buffer */
assert(size <= SIZE_BUFFER_VT220 - scon->iov_data_len);
@@ -63,18 +63,7 @@ static void receive_from_chr_layer(SCLPConsole *scon, const uint8_t *buf,
scon->iov_sclp_rest += size;
scon->iov_bs += size;
scon->event.event_pending = true;
-}
-
-/* Send data from a char device over to the guest */
-static void chr_read(void *opaque, const uint8_t *buf, int size)
-{
- SCLPConsole *scon = opaque;
-
- assert(scon);
-
- receive_from_chr_layer(scon, buf, size);
- /* trigger SCLP read operation */
- qemu_irq_raise(scon->irq_read_vt220);
+ sclp_service_interrupt(0);
}
/* functions to be called by event facility */
@@ -192,11 +181,6 @@ static int write_event_data(SCLPEvent *event, EventBufferHeader *evt_buf_hdr)
return rc;
}
-static void trigger_ascii_console_data(void *opaque, int n, int level)
-{
- sclp_service_interrupt(0);
-}
-
static const VMStateDescription vmstate_sclpconsole = {
.name = "sclpconsole",
.version_id = 0,
@@ -232,8 +216,6 @@ static int console_init(SCLPEvent *event)
qemu_chr_add_handlers(scon->chr, chr_can_read,
chr_read, NULL, scon);
}
- scon->irq_read_vt220 = *qemu_allocate_irqs(trigger_ascii_console_data,
- NULL, 1);
return 0;
}