scottk/OpenCellular
1
0
Fork 0
mirror of https://github.com/Telecominfraproject/OpenCellular.git synced 2026-01-11 18:35:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Tegra: sanity check members of the "from_bl2" struct

Browse Source 
This patch checks that the pointers to BL3-3 and BL3-2 ep_info
structs are valid before accessing them. Add some INFO prints
in the BL3-1 setup path for early debugging purposes.

Change-Id: I62b23fa870f1b2fb783c8de69aab819f1749d15a
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
This commit is contained in:
Varun Wadekar
2015-09-22 15:00:06 +05:30
parent e956e228d4
commit 08cefa983e
1 changed files with 16 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
plat/nvidia/tegra/common/tegra_bl31_setup.c
View File

@@ -37,6 +37,7 @@
#include <cortex_a57.h>
#include <cortex_a53.h>
#include <debug.h>
#include <denver.h>
#include <errno.h>
#include <memctrl.h>
#include <mmio.h>
@@ -110,7 +111,9 @@ void bl31_early_platform_setup(bl31_params_t *from_bl2,
{
plat_params_from_bl2_t *plat_params =
(plat_params_from_bl2_t *)plat_params_from_bl2;
#if DEBUG
int impl = (read_midr() >> MIDR_IMPL_SHIFT) & MIDR_IMPL_MASK;
#endif
/*
* Configure the UART port to be used as the console
*/
@@ -120,12 +123,18 @@ void bl31_early_platform_setup(bl31_params_t *from_bl2,
/* Initialise crash console */
plat_crash_console_init();
INFO("BL3-1: Boot CPU: %s Processor [%lx]\n", (impl == DENVER_IMPL) ?
"Denver" : "ARM", read_mpidr());
/*
* Copy BL3-3, BL3-2 entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
bl33_image_ep_info = *from_bl2->bl33_ep_info;
bl32_image_ep_info = *from_bl2->bl32_ep_info;
if (from_bl2->bl33_ep_info)
bl33_image_ep_info = *from_bl2->bl33_ep_info;
if (from_bl2->bl32_ep_info)
bl32_image_ep_info = *from_bl2->bl32_ep_info;
/*
* Parse platform specific parameters - TZDRAM aperture size
@@ -168,6 +177,8 @@ void bl31_platform_setup(void)
/* Initialize the gic cpu and distributor interfaces */
tegra_gic_setup();
INFO("BL3-1: Tegra platform setup complete\n");
}
/*******************************************************************************
@@ -215,6 +226,8 @@ void bl31_plat_arch_setup(void)
/* enable the MMU */
enable_mmu_el3(0);
INFO("BL3-1: Tegra: MMU enabled\n");
}
/*******************************************************************************