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[RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_A
From: |
Philippe Mathieu-Daudé |
Subject: |
[RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS |
Date: |
Fri, 18 Sep 2020 19:41:14 +0200 |
As it is legal to WRITE/ERASE the address/block 0,
change the value of this definition to an illegal
address: UINT32_MAX.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Same problem I had with the pflash device last year...
This break migration :(
What is the best way to do this?
---
hw/sd/sd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 30ae435d669..4c05152f189 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -53,7 +53,7 @@
#define SDSC_MAX_CAPACITY (2 * GiB)
-#define INVALID_ADDRESS 0
+#define INVALID_ADDRESS UINT32_MAX
typedef enum {
sd_r0 = 0, /* no response */
@@ -666,8 +666,8 @@ static int sd_vmstate_pre_load(void *opaque)
static const VMStateDescription sd_vmstate = {
.name = "sd-card",
- .version_id = 1,
- .minimum_version_id = 1,
+ .version_id = 2,
+ .minimum_version_id = 2,
.pre_load = sd_vmstate_pre_load,
.fields = (VMStateField[]) {
VMSTATE_UINT32(mode, SDState),
--
2.26.2
- [RFC PATCH 0/6] hw/sd/sdcard: Do not attempt to erase out of range addresses, Philippe Mathieu-Daudé, 2020/09/18
- [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS,
Philippe Mathieu-Daudé <=
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Markus Armbruster, 2020/09/21
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Philippe Mathieu-Daudé, 2020/09/21
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Markus Armbruster, 2020/09/21
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Dr. David Alan Gilbert, 2020/09/21
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Philippe Mathieu-Daudé, 2020/09/21
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Markus Armbruster, 2020/09/21
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Paolo Bonzini, 2020/09/21
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Markus Armbruster, 2020/09/22
- Re: [RFC PATCH 3/6] hw/sd/sdcard: Do not use legal address '0' for INVALID_ADDRESS, Kevin O'Connor, 2020/09/21
[RFC PATCH 6/6] hw/sd/sdcard: Assert if accessing an illegal group, Philippe Mathieu-Daudé, 2020/09/18