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Blackfin arch: make sure people do not set the kernel load address too high

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Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Mike Frysinger 2009-03-05 17:33:36 +08:00 • committed by Bryan Wu
parent 7acab7a9ca
commit f7e989ab64
1 changed files with 5 additions and 0 deletions
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5
arch/blackfin/mach-common/arch_checks.c
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@ -62,3 +62,8 @@
#if (CONFIG_BOOT_LOAD & 0x3) #if (CONFIG_BOOT_LOAD & 0x3)
# error "The kernel load address must be 4 byte aligned" # error "The kernel load address must be 4 byte aligned"
#endif #endif
/* The entire kernel must be able to make a 24bit pcrel call to start of L1 */
#if ((0xffffffff - L1_CODE_START + 1) + CONFIG_BOOT_LOAD) > 0x1000000
# error "The kernel load address is too high; keep it below 10meg for safety"
#endif