mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-09 12:46:17 +09:00
73169874a2
These registers can be used to prevent non-secure world from accessing a megabyte aligned region of RAM, use them to protect the u-boot secure monitor code. At first I tried to do this from s_init(), however this inexplicably causes u-boot's networking (e.g. DHCP) to fail, while networking under Linux was fine. So instead I have added a new weak arch function protect_secure_section() called from relocate_secure_section() and reserved the region there. This is better overall since it defers the reservation until after the sec vs. non-sec decision (which can be influenced by an envvar) has been made when booting the os. Signed-off-by: Ian Campbell <ijc@hellion.org.uk> [Jan: tiny style adjustment] Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Tested-by: Ian Campbell <ijc@hellion.org.uk> Signed-off-by: Tom Warren <twarren@nvidia.com> |
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| .. | ||
| tegra20 | ||
| tegra30 | ||
| tegra114 | ||
| tegra124 | ||
| tegra210 | ||
| ap.c | ||
| board.c | ||
| cache.c | ||
| clock.c | ||
| cmd_enterrcm.c | ||
| cpu.c | ||
| cpu.h | ||
| Kconfig | ||
| lowlevel_init.S | ||
| Makefile | ||
| pinmux-common.c | ||
| powergate.c | ||
| psci.S | ||
| pwm.c | ||
| spl.c | ||
| sys_info.c | ||
| vpr.c | ||
| xusb-padctl.c | ||