diff options
| -rw-r--r-- | arch/arm/boot/compressed/head.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index ce9e9e989fc6..84a6d828e6d6 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -113,6 +113,28 @@ #endif .endm + /* + * Debug print of the final appended DTB location + */ + .macro dbgadtb, begin, end +#ifdef DEBUG + kputc #'D' + kputc #'T' + kputc #'B' + kputc #':' + kputc #'0' + kputc #'x' + kphex \begin, 8 /* Start of appended DTB */ + kputc #' ' + kputc #'(' + kputc #'0' + kputc #'x' + kphex \end, 8 /* End of appended DTB */ + kputc #')' + kputc #'\n' +#endif + .endm + .macro enable_cp15_barriers, reg mrc p15, 0, \reg, c1, c0, 0 @ read SCTLR tst \reg, #(1 << 5) @ CP15BEN bit set? @@ -330,6 +352,7 @@ restart: adr r0, LC1 mov r5, r5, ror #8 eor r5, r5, r1, lsr #8 #endif + dbgadtb r6, r5 /* 50% DTB growth should be good enough */ add r5, r5, r5, lsr #1 /* preserve 64-bit alignment */ |