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 <huangm...@linux.alibaba.com>
>> Sent: Tuesday, August 13, 2024 2:42 AM
>> To: devel@edk2.groups.io; gaolim...@byosoft.com.cn; Kinney, Michael D
>> <michael.d.kin...@intel.com>; Liu, Zhiguang <zhiguang....@intel.com>
>> Cc: ming.hua...@outlook.com; Ming Huang <huangm...@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 <huangm...@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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