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[Qemu-devel] [PATCH 1/2] ioport: add function to check whenever a port i
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 1/2] ioport: add function to check whenever a port is assigned or not |
Date: |
Wed, 19 May 2010 11:54:16 +0200 |
Signed-off-by: Gerd Hoffmann <address@hidden>
---
ioport.c | 5 +++++
ioport.h | 1 +
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/ioport.c b/ioport.c
index 53dd87a..b718047 100644
--- a/ioport.c
+++ b/ioport.c
@@ -190,6 +190,11 @@ void isa_unassign_ioport(pio_addr_t start, int length)
}
}
+int is_ioport_assigned(pio_addr_t addr)
+{
+ return ioport_opaque[addr] != NULL;
+}
+
/***********************************************************/
void cpu_outb(pio_addr_t addr, uint8_t val)
diff --git a/ioport.h b/ioport.h
index 3d3c8a3..46fbfa8 100644
--- a/ioport.h
+++ b/ioport.h
@@ -41,6 +41,7 @@ int register_ioport_read(pio_addr_t start, int length, int
size,
int register_ioport_write(pio_addr_t start, int length, int size,
IOPortWriteFunc *func, void *opaque);
void isa_unassign_ioport(pio_addr_t start, int length);
+int is_ioport_assigned(pio_addr_t addr);
void cpu_outb(pio_addr_t addr, uint8_t val);
--
1.6.6.1
- [Qemu-devel] [PATCH 1/2] ioport: add function to check whenever a port is assigned or not,
Gerd Hoffmann <=