* [edk2-devel] [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
@ 2024-08-09 6:29 Ming Huang
0 siblings, 0 replies; 5+ messages in thread
From: Ming Huang @ 2024-08-09 6:29 UTC (permalink / raw)
To: devel; +Cc: ming.huang-, Ming Huang
It is better to output error address information When Address is
invalid before ASSERT.
Signed-off-by: Ming Huang <huangming@linux.alibaba.com>
---
MdePkg/Library/BaseIoLibIntrinsic/IoLib.c | 24 ++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
index 5bd02b56a1..57d05af5a9 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
@@ -174,6 +174,10 @@ MmioRead16 (
UINT16 Value;
BOOLEAN Flag;
+ if ((Address & 1) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioRead16 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 1) == 0);
Flag = FilterBeforeMmIoRead (FilterWidth16, Address, &Value);
if (Flag) {
@@ -220,6 +224,10 @@ MmioWrite16 (
{
BOOLEAN Flag;
+ if ((Address & 1) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioWrite16 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 1) == 0);
Flag = FilterBeforeMmIoWrite (FilterWidth16, Address, &Value);
@@ -266,6 +274,10 @@ MmioRead32 (
UINT32 Value;
BOOLEAN Flag;
+ if ((Address & 3) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioRead32 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 3) == 0);
Flag = FilterBeforeMmIoRead (FilterWidth32, Address, &Value);
@@ -313,6 +325,10 @@ MmioWrite32 (
{
BOOLEAN Flag;
+ if ((Address & 3) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioWrite32 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 3) == 0);
Flag = FilterBeforeMmIoWrite (FilterWidth32, Address, &Value);
@@ -359,6 +375,10 @@ MmioRead64 (
UINT64 Value;
BOOLEAN Flag;
+ if ((Address & 7) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioRead64 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 7) == 0);
Flag = FilterBeforeMmIoRead (FilterWidth64, Address, &Value);
@@ -404,6 +424,10 @@ MmioWrite64 (
{
BOOLEAN Flag;
+ if ((Address & 7) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioWrite64 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 7) == 0);
Flag = FilterBeforeMmIoWrite (FilterWidth64, Address, &Value);
--
2.17.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread* [edk2-devel] [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
@ 2024-08-13 9:42 Ming Huang
2024-08-13 15:29 ` Michael D Kinney
0 siblings, 1 reply; 5+ messages in thread
From: Ming Huang @ 2024-08-13 9:42 UTC (permalink / raw)
To: devel, gaoliming, michael.d.kinney, zhiguang.liu; +Cc: ming.huang-, Ming Huang
It is better to output error address information When Address is
invalid before ASSERT.
Signed-off-by: Ming Huang <huangming@linux.alibaba.com>
---
MdePkg/Library/BaseIoLibIntrinsic/IoLib.c | 24 ++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
index 5bd02b56a1..57d05af5a9 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
@@ -174,6 +174,10 @@ MmioRead16 (
UINT16 Value;
BOOLEAN Flag;
+ if ((Address & 1) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioRead16 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 1) == 0);
Flag = FilterBeforeMmIoRead (FilterWidth16, Address, &Value);
if (Flag) {
@@ -220,6 +224,10 @@ MmioWrite16 (
{
BOOLEAN Flag;
+ if ((Address & 1) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioWrite16 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 1) == 0);
Flag = FilterBeforeMmIoWrite (FilterWidth16, Address, &Value);
@@ -266,6 +274,10 @@ MmioRead32 (
UINT32 Value;
BOOLEAN Flag;
+ if ((Address & 3) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioRead32 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 3) == 0);
Flag = FilterBeforeMmIoRead (FilterWidth32, Address, &Value);
@@ -313,6 +325,10 @@ MmioWrite32 (
{
BOOLEAN Flag;
+ if ((Address & 3) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioWrite32 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 3) == 0);
Flag = FilterBeforeMmIoWrite (FilterWidth32, Address, &Value);
@@ -359,6 +375,10 @@ MmioRead64 (
UINT64 Value;
BOOLEAN Flag;
+ if ((Address & 7) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioRead64 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 7) == 0);
Flag = FilterBeforeMmIoRead (FilterWidth64, Address, &Value);
@@ -404,6 +424,10 @@ MmioWrite64 (
{
BOOLEAN Flag;
+ if ((Address & 7) != 0) {
+ DEBUG ((DEBUG_ERROR, "MmioWrite64 invalid address: %lx\n", Address));
+ }
+
ASSERT ((Address & 7) == 0);
Flag = FilterBeforeMmIoWrite (FilterWidth64, Address, &Value);
--
2.17.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread* Re: [edk2-devel] [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
2024-08-13 9:42 Ming Huang
@ 2024-08-13 15:29 ` Michael D Kinney
2024-08-14 2:04 ` Ming Huang
0 siblings, 1 reply; 5+ messages in thread
From: Michael D Kinney @ 2024-08-13 15:29 UTC (permalink / raw)
To: Ming Huang, devel@edk2.groups.io, gaoliming@byosoft.com.cn,
Liu, Zhiguang
Cc: ming.huang-@outlook.com, Kinney, Michael D
Hi,
We have moved to a PR based review process. Can you change this to a PR?
https://github.com/tianocore/tianocore.github.io/wiki/EDK-II-Development-Process
Also, this change may impact the code size and performance of these APIs.
When ASSERTS() are disabled, an optimizing compiler can inline these operations.
By adding conditional and DEBUG(), that optimization may only occur if both
ASSERT() and DEBUG_ERROR messages are disabled and the optimization compiler
can optimize away the conditional statement as well.
Another option is to use a different DEBUG_X debug log level that is not normally
enabled and a platform can choose to enable.
The DEBUG_CODE() macros can also be used to conditionally include the conditional
and DEBUG() message.
This patch is also incomplete because there are other APIs in the IoLib that
ASSERT() on unaligned access.
Thanks,
Mike
> -----Original Message-----
> From: Ming Huang <huangming@linux.alibaba.com>
> Sent: Tuesday, August 13, 2024 2:42 AM
> To: devel@edk2.groups.io; gaoliming@byosoft.com.cn; Kinney, Michael D
> <michael.d.kinney@intel.com>; Liu, Zhiguang <zhiguang.liu@intel.com>
> Cc: ming.huang-@outlook.com; Ming Huang <huangming@linux.alibaba.com>
> Subject: [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
>
> It is better to output error address information When Address is
> invalid before ASSERT.
>
> Signed-off-by: Ming Huang <huangming@linux.alibaba.com>
> ---
> MdePkg/Library/BaseIoLibIntrinsic/IoLib.c | 24 ++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> index 5bd02b56a1..57d05af5a9 100644
> --- a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> +++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> @@ -174,6 +174,10 @@ MmioRead16 (
> UINT16 Value;
> BOOLEAN Flag;
>
> + if ((Address & 1) != 0) {
> + DEBUG ((DEBUG_ERROR, "MmioRead16 invalid address: %lx\n", Address));
> + }
> +
> ASSERT ((Address & 1) == 0);
> Flag = FilterBeforeMmIoRead (FilterWidth16, Address, &Value);
> if (Flag) {
> @@ -220,6 +224,10 @@ MmioWrite16 (
> {
> BOOLEAN Flag;
>
> + if ((Address & 1) != 0) {
> + DEBUG ((DEBUG_ERROR, "MmioWrite16 invalid address: %lx\n", Address));
> + }
> +
> ASSERT ((Address & 1) == 0);
>
> Flag = FilterBeforeMmIoWrite (FilterWidth16, Address, &Value);
> @@ -266,6 +274,10 @@ MmioRead32 (
> UINT32 Value;
> BOOLEAN Flag;
>
> + if ((Address & 3) != 0) {
> + DEBUG ((DEBUG_ERROR, "MmioRead32 invalid address: %lx\n", Address));
> + }
> +
> ASSERT ((Address & 3) == 0);
>
> Flag = FilterBeforeMmIoRead (FilterWidth32, Address, &Value);
> @@ -313,6 +325,10 @@ MmioWrite32 (
> {
> BOOLEAN Flag;
>
> + if ((Address & 3) != 0) {
> + DEBUG ((DEBUG_ERROR, "MmioWrite32 invalid address: %lx\n", Address));
> + }
> +
> ASSERT ((Address & 3) == 0);
>
> Flag = FilterBeforeMmIoWrite (FilterWidth32, Address, &Value);
> @@ -359,6 +375,10 @@ MmioRead64 (
> UINT64 Value;
> BOOLEAN Flag;
>
> + if ((Address & 7) != 0) {
> + DEBUG ((DEBUG_ERROR, "MmioRead64 invalid address: %lx\n", Address));
> + }
> +
> ASSERT ((Address & 7) == 0);
>
> Flag = FilterBeforeMmIoRead (FilterWidth64, Address, &Value);
> @@ -404,6 +424,10 @@ MmioWrite64 (
> {
> BOOLEAN Flag;
>
> + if ((Address & 7) != 0) {
> + DEBUG ((DEBUG_ERROR, "MmioWrite64 invalid address: %lx\n", Address));
> + }
> +
> ASSERT ((Address & 7) == 0);
>
> Flag = FilterBeforeMmIoWrite (FilterWidth64, Address, &Value);
> --
> 2.17.1
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^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [edk2-devel] [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
2024-08-13 15:29 ` Michael D Kinney
@ 2024-08-14 2:04 ` Ming Huang
2024-08-14 3:41 ` Michael D Kinney
0 siblings, 1 reply; 5+ messages in thread
From: Ming Huang @ 2024-08-14 2:04 UTC (permalink / raw)
To: Kinney, Michael D, devel@edk2.groups.io, gaoliming@byosoft.com.cn,
Liu, Zhiguang
Cc: ming.huang-@outlook.com
On 8/13/24 11:29 PM, Kinney, Michael D wrote:
> Hi,
>
> We have moved to a PR based review process. Can you change this to a PR?
OK, I will change this to a PR.
>
> https://github.com/tianocore/tianocore.github.io/wiki/EDK-II-Development-Process
>
> Also, this change may impact the code size and performance of these APIs.
> When ASSERTS() are disabled, an optimizing compiler can inline these operations.
> By adding conditional and DEBUG(), that optimization may only occur if both
> ASSERT() and DEBUG_ERROR messages are disabled and the optimization compiler
> can optimize away the conditional statement as well.
>
> Another option is to use a different DEBUG_X debug log level that is not normally
> enabled and a platform can choose to enable.
Are you referring to using DEBUG_WARN/DEBUG_INFO ? Which is better for DEBUG_WARN/DEBUG_INFO?
>
> The DEBUG_CODE() macros can also be used to conditionally include the conditional
> and DEBUG() message.
>
> This patch is also incomplete because there are other APIs in the IoLib that
> ASSERT() on unaligned access.
I will modify other ASSERT() in IoLib except ASSERT (FALSE).
Thanks,
Ming
>
> Thanks,
>
> Mike
>
>> -----Original Message-----
>> From: Ming Huang <huangming@linux.alibaba.com>
>> Sent: Tuesday, August 13, 2024 2:42 AM
>> To: devel@edk2.groups.io; gaoliming@byosoft.com.cn; Kinney, Michael D
>> <michael.d.kinney@intel.com>; Liu, Zhiguang <zhiguang.liu@intel.com>
>> Cc: ming.huang-@outlook.com; Ming Huang <huangming@linux.alibaba.com>
>> Subject: [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
>>
>> It is better to output error address information When Address is
>> invalid before ASSERT.
>>
>> Signed-off-by: Ming Huang <huangming@linux.alibaba.com>
>> ---
>> MdePkg/Library/BaseIoLibIntrinsic/IoLib.c | 24 ++++++++++++++++++++
>> 1 file changed, 24 insertions(+)
>>
>> diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
>> b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
>> index 5bd02b56a1..57d05af5a9 100644
>> --- a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
>> +++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
>> @@ -174,6 +174,10 @@ MmioRead16 (
>> UINT16 Value;
>> BOOLEAN Flag;
>>
>> + if ((Address & 1) != 0) {
>> + DEBUG ((DEBUG_ERROR, "MmioRead16 invalid address: %lx\n", Address));
>> + }
>> +
>> ASSERT ((Address & 1) == 0);
>> Flag = FilterBeforeMmIoRead (FilterWidth16, Address, &Value);
>> if (Flag) {
>> @@ -220,6 +224,10 @@ MmioWrite16 (
>> {
>> BOOLEAN Flag;
>>
>> + if ((Address & 1) != 0) {
>> + DEBUG ((DEBUG_ERROR, "MmioWrite16 invalid address: %lx\n", Address));
>> + }
>> +
>> ASSERT ((Address & 1) == 0);
>>
>> Flag = FilterBeforeMmIoWrite (FilterWidth16, Address, &Value);
>> @@ -266,6 +274,10 @@ MmioRead32 (
>> UINT32 Value;
>> BOOLEAN Flag;
>>
>> + if ((Address & 3) != 0) {
>> + DEBUG ((DEBUG_ERROR, "MmioRead32 invalid address: %lx\n", Address));
>> + }
>> +
>> ASSERT ((Address & 3) == 0);
>>
>> Flag = FilterBeforeMmIoRead (FilterWidth32, Address, &Value);
>> @@ -313,6 +325,10 @@ MmioWrite32 (
>> {
>> BOOLEAN Flag;
>>
>> + if ((Address & 3) != 0) {
>> + DEBUG ((DEBUG_ERROR, "MmioWrite32 invalid address: %lx\n", Address));
>> + }
>> +
>> ASSERT ((Address & 3) == 0);
>>
>> Flag = FilterBeforeMmIoWrite (FilterWidth32, Address, &Value);
>> @@ -359,6 +375,10 @@ MmioRead64 (
>> UINT64 Value;
>> BOOLEAN Flag;
>>
>> + if ((Address & 7) != 0) {
>> + DEBUG ((DEBUG_ERROR, "MmioRead64 invalid address: %lx\n", Address));
>> + }
>> +
>> ASSERT ((Address & 7) == 0);
>>
>> Flag = FilterBeforeMmIoRead (FilterWidth64, Address, &Value);
>> @@ -404,6 +424,10 @@ MmioWrite64 (
>> {
>> BOOLEAN Flag;
>>
>> + if ((Address & 7) != 0) {
>> + DEBUG ((DEBUG_ERROR, "MmioWrite64 invalid address: %lx\n", Address));
>> + }
>> +
>> ASSERT ((Address & 7) == 0);
>>
>> Flag = FilterBeforeMmIoWrite (FilterWidth64, Address, &Value);
>> --
>> 2.17.1
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^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [edk2-devel] [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
2024-08-14 2:04 ` Ming Huang
@ 2024-08-14 3:41 ` Michael D Kinney
0 siblings, 0 replies; 5+ messages in thread
From: Michael D Kinney @ 2024-08-14 3:41 UTC (permalink / raw)
To: Ming Huang, devel@edk2.groups.io, gaoliming@byosoft.com.cn,
Liu, Zhiguang
Cc: ming.huang-@outlook.com, Kinney, Michael D
> -----Original Message-----
> From: Ming Huang <huangming@linux.alibaba.com>
> Sent: Tuesday, August 13, 2024 7:05 PM
> To: Kinney, Michael D <michael.d.kinney@intel.com>; devel@edk2.groups.io;
> gaoliming@byosoft.com.cn; Liu, Zhiguang <zhiguang.liu@intel.com>
> Cc: ming.huang-@outlook.com
> Subject: Re: [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
>
>
>
> On 8/13/24 11:29 PM, Kinney, Michael D wrote:
> > Hi,
> >
> > We have moved to a PR based review process. Can you change this to a
> PR?
>
> OK, I will change this to a PR.
>
> >
> > https://github.com/tianocore/tianocore.github.io/wiki/EDK-II-
> Development-Process
> >
> > Also, this change may impact the code size and performance of these
> APIs.
> > When ASSERTS() are disabled, an optimizing compiler can inline these
> operations.
> > By adding conditional and DEBUG(), that optimization may only occur if
> both
> > ASSERT() and DEBUG_ERROR messages are disabled and the optimization
> compiler
> > can optimize away the conditional statement as well.
> >
> > Another option is to use a different DEBUG_X debug log level that is
> not normally
> > enabled and a platform can choose to enable.
>
> Are you referring to using DEBUG_WARN/DEBUG_INFO ? Which is better for
> DEBUG_WARN/DEBUG_INFO?
Perhaps DEBUG_VERBOSE.
>
> >
> > The DEBUG_CODE() macros can also be used to conditionally include the
> conditional
> > and DEBUG() message.
> >
> > This patch is also incomplete because there are other APIs in the IoLib
> that
> > ASSERT() on unaligned access.
>
> I will modify other ASSERT() in IoLib except ASSERT (FALSE).
>
> Thanks,
>
> Ming
>
> >
> > Thanks,
> >
> > Mike
> >
> >> -----Original Message-----
> >> From: Ming Huang <huangming@linux.alibaba.com>
> >> Sent: Tuesday, August 13, 2024 2:42 AM
> >> To: devel@edk2.groups.io; gaoliming@byosoft.com.cn; Kinney, Michael D
> >> <michael.d.kinney@intel.com>; Liu, Zhiguang <zhiguang.liu@intel.com>
> >> Cc: ming.huang-@outlook.com; Ming Huang <huangming@linux.alibaba.com>
> >> Subject: [PATCH v1 v1 1/1] MdePkg: Add error output for IoLib.c
> >>
> >> It is better to output error address information When Address is
> >> invalid before ASSERT.
> >>
> >> Signed-off-by: Ming Huang <huangming@linux.alibaba.com>
> >> ---
> >> MdePkg/Library/BaseIoLibIntrinsic/IoLib.c | 24 ++++++++++++++++++++
> >> 1 file changed, 24 insertions(+)
> >>
> >> diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> >> b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> >> index 5bd02b56a1..57d05af5a9 100644
> >> --- a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> >> +++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
> >> @@ -174,6 +174,10 @@ MmioRead16 (
> >> UINT16 Value;
> >> BOOLEAN Flag;
> >>
> >> + if ((Address & 1) != 0) {
> >> + DEBUG ((DEBUG_ERROR, "MmioRead16 invalid address: %lx\n",
> Address));
> >> + }
> >> +
> >> ASSERT ((Address & 1) == 0);
> >> Flag = FilterBeforeMmIoRead (FilterWidth16, Address, &Value);
> >> if (Flag) {
> >> @@ -220,6 +224,10 @@ MmioWrite16 (
> >> {
> >> BOOLEAN Flag;
> >>
> >> + if ((Address & 1) != 0) {
> >> + DEBUG ((DEBUG_ERROR, "MmioWrite16 invalid address: %lx\n",
> Address));
> >> + }
> >> +
> >> ASSERT ((Address & 1) == 0);
> >>
> >> Flag = FilterBeforeMmIoWrite (FilterWidth16, Address, &Value);
> >> @@ -266,6 +274,10 @@ MmioRead32 (
> >> UINT32 Value;
> >> BOOLEAN Flag;
> >>
> >> + if ((Address & 3) != 0) {
> >> + DEBUG ((DEBUG_ERROR, "MmioRead32 invalid address: %lx\n",
> Address));
> >> + }
> >> +
> >> ASSERT ((Address & 3) == 0);
> >>
> >> Flag = FilterBeforeMmIoRead (FilterWidth32, Address, &Value);
> >> @@ -313,6 +325,10 @@ MmioWrite32 (
> >> {
> >> BOOLEAN Flag;
> >>
> >> + if ((Address & 3) != 0) {
> >> + DEBUG ((DEBUG_ERROR, "MmioWrite32 invalid address: %lx\n",
> Address));
> >> + }
> >> +
> >> ASSERT ((Address & 3) == 0);
> >>
> >> Flag = FilterBeforeMmIoWrite (FilterWidth32, Address, &Value);
> >> @@ -359,6 +375,10 @@ MmioRead64 (
> >> UINT64 Value;
> >> BOOLEAN Flag;
> >>
> >> + if ((Address & 7) != 0) {
> >> + DEBUG ((DEBUG_ERROR, "MmioRead64 invalid address: %lx\n",
> Address));
> >> + }
> >> +
> >> ASSERT ((Address & 7) == 0);
> >>
> >> Flag = FilterBeforeMmIoRead (FilterWidth64, Address, &Value);
> >> @@ -404,6 +424,10 @@ MmioWrite64 (
> >> {
> >> BOOLEAN Flag;
> >>
> >> + if ((Address & 7) != 0) {
> >> + DEBUG ((DEBUG_ERROR, "MmioWrite64 invalid address: %lx\n",
> Address));
> >> + }
> >> +
> >> ASSERT ((Address & 7) == 0);
> >>
> >> Flag = FilterBeforeMmIoWrite (FilterWidth64, Address, &Value);
> >> --
> >> 2.17.1
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