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[PULL,12/43] hw/arm/nseries: Allocating Large sized arrays to heap

Message ID 1463059985-2272-13-git-send-email-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Maydell May 12, 2016, 1:32 p.m. UTC 
From: Zhou Jie <zhoujie2011@cn.fujitsu.com>

n8x0_init has a huge stack usage of 65536 bytes approx.
Moving large arrays to heap to reduce stack usage.

Signed-off-by: Zhou Jie <zhoujie2011@cn.fujitsu.com>
Message-id: 1461651308-894-1-git-send-email-zhoujie2011@cn.fujitsu.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/nseries.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c
index 5382505..c7068c0 100644
--- a/hw/arm/nseries.c
+++ b/hw/arm/nseries.c
@@ -1364,7 +1364,7 @@  static void n8x0_init(MachineState *machine,
 
     if (option_rom[0].name &&
         (machine->boot_order[0] == 'n' || !machine->kernel_filename)) {
-        uint8_t nolo_tags[0x10000];
+        uint8_t *nolo_tags = g_new(uint8_t, 0x10000);
         /* No, wait, better start at the ROM.  */
         s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
 
@@ -1383,6 +1383,7 @@  static void n8x0_init(MachineState *machine,
 
         n800_setup_nolo_tags(nolo_tags);
         cpu_physical_memory_write(OMAP2_SRAM_BASE, nolo_tags, 0x10000);
+        g_free(nolo_tags);
     }
 }