* [edk2][PATCH 1/1] ArmPlatformPkg/PrePi: fix IS_XIP
@ 2020-03-05 7:55 Andrei Warkentin
2020-03-05 8:10 ` Ard Biesheuvel
0 siblings, 1 reply; 2+ messages in thread
From: Andrei Warkentin @ 2020-03-05 7:55 UTC (permalink / raw)
To: devel@edk2.groups.io
Cc: ard.biesheuvel@linaro.org, leif@nuviainc.com, pete@akeo.ie,
philmd@redhat.com
This wasn't correctly testing for FD to be outside RAM,
when RAM base immediately follows the FD.
This is part of some cleanup for RPi4 in edk2-platform.
Signed-off-by: Andrei Warkentin <awarkentin@vmware.com>
---
ArmPlatformPkg/PrePi/PrePi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ArmPlatformPkg/PrePi/PrePi.c b/ArmPlatformPkg/PrePi/PrePi.c
index 2bb1449581..74284f1883 100644
--- a/ArmPlatformPkg/PrePi/PrePi.c
+++ b/ArmPlatformPkg/PrePi/PrePi.c
@@ -22,7 +22,7 @@
#include "PrePi.h"
#define IS_XIP() (((UINT64)FixedPcdGet64 (PcdFdBaseAddress) > mSystemMemoryEnd) || \
- ((FixedPcdGet64 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) < FixedPcdGet64 (PcdSystemMemoryBase)))
+ ((FixedPcdGet64 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) <= FixedPcdGet64 (PcdSystemMemoryBase)))
UINT64 mSystemMemoryEnd = FixedPcdGet64(PcdSystemMemoryBase) +
FixedPcdGet64(PcdSystemMemorySize) - 1;
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [edk2][PATCH 1/1] ArmPlatformPkg/PrePi: fix IS_XIP
2020-03-05 7:55 [edk2][PATCH 1/1] ArmPlatformPkg/PrePi: fix IS_XIP Andrei Warkentin
@ 2020-03-05 8:10 ` Ard Biesheuvel
0 siblings, 0 replies; 2+ messages in thread
From: Ard Biesheuvel @ 2020-03-05 8:10 UTC (permalink / raw)
To: Andrei Warkentin
Cc: devel@edk2.groups.io, leif@nuviainc.com, pete@akeo.ie,
philmd@redhat.com
On Thu, 5 Mar 2020 at 08:56, Andrei Warkentin <awarkentin@vmware.com> wrote:
>
> This wasn't correctly testing for FD to be outside RAM,
> when RAM base immediately follows the FD.
>
> This is part of some cleanup for RPi4 in edk2-platform.
>
> Signed-off-by: Andrei Warkentin <awarkentin@vmware.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Thanks Andrei. I'll put this on the pile of ArmPkg/ArmPlatformPkg
fixes I intend to merge today or tomorrow.
> ---
> ArmPlatformPkg/PrePi/PrePi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/ArmPlatformPkg/PrePi/PrePi.c b/ArmPlatformPkg/PrePi/PrePi.c
> index 2bb1449581..74284f1883 100644
> --- a/ArmPlatformPkg/PrePi/PrePi.c
> +++ b/ArmPlatformPkg/PrePi/PrePi.c
> @@ -22,7 +22,7 @@
> #include "PrePi.h"
>
> #define IS_XIP() (((UINT64)FixedPcdGet64 (PcdFdBaseAddress) > mSystemMemoryEnd) || \
> - ((FixedPcdGet64 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) < FixedPcdGet64 (PcdSystemMemoryBase)))
> + ((FixedPcdGet64 (PcdFdBaseAddress) + FixedPcdGet32 (PcdFdSize)) <= FixedPcdGet64 (PcdSystemMemoryBase)))
>
> UINT64 mSystemMemoryEnd = FixedPcdGet64(PcdSystemMemoryBase) +
> FixedPcdGet64(PcdSystemMemorySize) - 1;
> --
> 2.17.1
>
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