From fce01acf830a697110ed72ecace4b0afdbcd53cb Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Wed, 30 Jun 2021 17:46:14 +1000 Subject: powerpc/64e: fix CONFIG_RELOCATABLE build warnings CONFIG_RELOCATABLE=y causes build warnings from unresolved relocations. Fix these by using TOC addressing for these cases. Commit 24d33ac5b8ff ("powerpc/64s: Make prom_init require RELOCATABLE") caused some 64e configs to select RELOCATABLE resulting in these warnings, but the underlying issue was already there. This passes basic qemu testing. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20210630074621.2109197-3-npiggin@gmail.com --- arch/powerpc/kernel/exceptions-64e.S | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch') diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 22fcd95dd8dc..d634bfceed2c 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -912,8 +912,14 @@ kernel_dbg_exc: b interrupt_return .macro SEARCH_RESTART_TABLE +#ifdef CONFIG_RELOCATABLE + ld r11,PACATOC(r13) + ld r14,__start___restart_table@got(r11) + ld r15,__stop___restart_table@got(r11) +#else LOAD_REG_IMMEDIATE_SYM(r14, r11, __start___restart_table) LOAD_REG_IMMEDIATE_SYM(r15, r11, __stop___restart_table) +#endif 300: cmpd r14,r15 beq 302f @@ -1329,7 +1335,12 @@ a2_tlbinit_code_start: a2_tlbinit_after_linear_map: /* Now we branch the new virtual address mapped by this entry */ +#ifdef CONFIG_RELOCATABLE + ld r5,PACATOC(r13) + ld r3,1f@got(r5) +#else LOAD_REG_IMMEDIATE_SYM(r3, r5, 1f) +#endif mtctr r3 bctr -- cgit v1.2.3