From b4bd5dd7f207df0e277f27fa3559db27959a952e Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 20 Mar 2018 11:50:58 +0000 Subject: ARM: add further debug Add further debugging of the kernel size Signed-off-by: Russell King --- kexec/arch/arm/kexec-zImage-arm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/kexec/arch/arm/kexec-zImage-arm.c b/kexec/arch/arm/kexec-zImage-arm.c index 76a0b5b..3305d9b 100644 --- a/kexec/arch/arm/kexec-zImage-arm.c +++ b/kexec/arch/arm/kexec-zImage-arm.c @@ -552,6 +552,8 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, */ kernel_mem_size = len + 4; + dbgprintf("zImage requires 0x%08llx bytes\n", (unsigned long long)len); + /* * Check for a kernel size extension, and set or validate the * image size. This is the total space needed to avoid the @@ -565,6 +567,12 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, uint32_t bss_size = le32_to_cpu(tag->u.krnl_size.bss_size); uint32_t kernel_size = edata_size + bss_size; + dbgprintf("Decompressed kernel sizes:\n"); + dbgprintf(" text+data 0x%08lx bss 0x%08lx total 0x%08lx\n", + (unsigned long)edata_size, + (unsigned long)bss_size, + (unsigned long)kernel_size); + /* * While decompressing, the zImage is placed past _edata * of the decompressed kernel. Ensure we account for that. @@ -572,6 +580,9 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, if (kernel_size < edata_size + len) kernel_size = edata_size + len; + dbgprintf("Resulting kernel space: 0x%08lx\n", + (unsigned long)kernel_size); + if (kexec_arm_image_size == 0) kexec_arm_image_size = kernel_size; else if (kexec_arm_image_size < kernel_size) { -- cgit