From: Laszlo Ersek <lersek@redhat.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>, edk2-devel@lists.01.org
Cc: Michael D Kinney <michael.d.kinney@intel.com>,
Liming Gao <liming.gao@intel.com>,
Jian J Wang <jian.j.wang@intel.com>, Hao Wu <hao.a.wu@intel.com>,
Leif Lindholm <leif.lindholm@linaro.org>,
Eric Auger <eric.auger@redhat.com>,
Andrew Jones <drjones@redhat.com>,
Philippe Mathieu-Daude <philmd@redhat.com>
Subject: Re: [RFC PATCH 5/7] ArmPlatformPkg/MemoryInitPeim: take MAX_ALLOC_ADDRESS into account
Date: Fri, 7 Dec 2018 13:46:07 +0100 [thread overview]
Message-ID: <a2a40410-17c4-07b1-52c5-d982ac7b7848@redhat.com> (raw)
In-Reply-To: <20181207112304.19765-6-ard.biesheuvel@linaro.org>
On 12/07/18 12:23, Ard Biesheuvel wrote:
> Limit the PEI memory region so it will not extend beyond what we can
> address architecturally when running with 4 KB pages.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
> ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c
> index 389a2e6f1abd..25db87fb2374 100644
> --- a/ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c
> +++ b/ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.c
> @@ -109,8 +109,8 @@ InitializeMemory (
>
> SystemMemoryBase = (UINTN)PcdGet64 (PcdSystemMemoryBase);
> SystemMemoryTop = SystemMemoryBase + PcdGet64 (PcdSystemMemorySize);
> - if (SystemMemoryTop - 1 > MAX_ADDRESS) {
> - SystemMemoryTop = (UINT64)MAX_ADDRESS + 1;
> + if (SystemMemoryTop - 1 > MAX_ALLOC_ADDRESS) {
> + SystemMemoryTop = (UINT64)MAX_ALLOC_ADDRESS + 1;
> }
> FdBase = (UINTN)PcdGet64 (PcdFdBaseAddress);
> FdTop = FdBase + (UINTN)PcdGet32 (PcdFdSize);
>
Shouldn't you also update
ASSERT (PcdGet64 (PcdSystemMemoryBase) < (UINT64)MAX_ADDRESS);
just above the context visible here?
Thanks
Laszlo
next prev parent reply other threads:[~2018-12-07 12:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-07 11:22 [RFC PATCH 0/7] introduce MAX_ALLOC_ADDRESS to limit boot time allocations Ard Biesheuvel
2018-12-07 11:22 ` [RFC PATCH 1/7] MdePkg/Base: introduce MAX_ALLOC_ADDRESS Ard Biesheuvel
2018-12-07 12:53 ` Laszlo Ersek
2018-12-07 11:22 ` [RFC PATCH 2/7] MdeModulePkg/Dxe/Gcd: disregard memory above MAX_ALLOC_ADDRESS Ard Biesheuvel
2018-12-07 11:23 ` [RFC PATCH 3/7] MdeModulePkg/Dxe/Page: take MAX_ALLOC_ADDRESS into account Ard Biesheuvel
2018-12-10 2:04 ` Wang, Jian J
2018-12-10 7:22 ` Ard Biesheuvel
2018-12-10 14:52 ` Gao, Liming
2018-12-10 14:53 ` Ard Biesheuvel
2018-12-10 14:57 ` Gao, Liming
2018-12-07 11:23 ` [RFC PATCH 4/7] ArmPkg/ArmMmuLib: " Ard Biesheuvel
2018-12-07 12:42 ` Laszlo Ersek
2018-12-07 11:23 ` [RFC PATCH 5/7] ArmPlatformPkg/MemoryInitPeim: " Ard Biesheuvel
2018-12-07 12:46 ` Laszlo Ersek [this message]
2018-12-07 12:47 ` Ard Biesheuvel
2018-12-07 12:48 ` Ard Biesheuvel
2018-12-07 11:23 ` [RFC PATCH 6/7] ArmVirtPkg/MemoryInitPeiLib: split memory HOB based on MAX_ALLOC_ADDRESS Ard Biesheuvel
2018-12-07 12:47 ` Laszlo Ersek
2018-12-07 11:23 ` [RFC PATCH 7/7] MdePkg/ProcessorBind AARCH64: limit MAX_ALLOC_ADDRESS to 48 bits Ard Biesheuvel
2018-12-07 12:51 ` Laszlo Ersek
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