arch-riscv: Increase maximum stack size
authorAlec Roelke <ar4jc@virginia.edu>
Thu, 14 Dec 2017 00:00:11 +0000 (19:00 -0500)
committerAlec Roelke <ar4jc@virginia.edu>
Thu, 14 Dec 2017 16:08:55 +0000 (16:08 +0000)
This patch increases the maximum stack size of RISC-V, which should help
to reduce problems with programs that allocate large amounts of data on
the stack or do many small allocations.

Change-Id: I1d760050229b12f01a4a8f24c047b587299fef6d
Reviewed-on: https://gem5-review.googlesource.com/6661
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Alec Roelke <ar4jc@virginia.edu>

src/arch/riscv/process.cc

index 54afc854cd4dfb69c973e6b147cb5af4051a960f..371a8e48a3d095020acf59ac689e0ad9729436b7 100644 (file)
@@ -61,7 +61,7 @@ RiscvProcess::RiscvProcess(ProcessParams * params,
     ObjectFile *objFile) : Process(params, objFile)
 {
     const Addr stack_base = 0x7FFFFFFFFFFFFFFFL;
-    const Addr max_stack_size = PageBytes * 64;
+    const Addr max_stack_size = 8 * 1024 * 1024;
     const Addr next_thread_stack_base = stack_base - max_stack_size;
     const Addr brk_point = roundUp(objFile->bssBase() + objFile->bssSize(),
             PageBytes);