530a71310e
Reduces the number of mpu regions statically reserved at boot time by one, giving a total of five. We originally sought to reduce the total to three: 1 background region with lowest precendence for supervisor r/w, 1 flash region, and 1 sram region. However, the nxp mpu hardware does not give precedence to any region over another, and thus we cannot revoke access from the background region with a higher priority region. This means we cannot support hardware stack protection with a single background region. Instead, create two background regions that cover the entire address space, except for sram. Signed-off-by: Maureen Helm <maureen.helm@nxp.com> |
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| .. | ||
| arc | ||
| arm | ||
| nios2 | ||
| posix | ||
| riscv32 | ||
| x86 | ||
| xtensa | ||
| cpu.h | ||