diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/feature-fixups.h | 68 | ||||
| -rw-r--r-- | include/asm-powerpc/reg.h | 2 | ||||
| -rw-r--r-- | include/asm-powerpc/timex.h | 2 |
3 files changed, 59 insertions, 13 deletions
diff --git a/include/asm-powerpc/feature-fixups.h b/include/asm-powerpc/feature-fixups.h index 35f927888fe8..ab30129dced7 100644 --- a/include/asm-powerpc/feature-fixups.h +++ b/include/asm-powerpc/feature-fixups.h @@ -29,24 +29,35 @@ #define FTR_ENTRY_OFFSET PPC_LONG #endif +#define START_FTR_SECTION(label) label##1: + +#define FTR_SECTION_ELSE_NESTED(label) \ +label##2: \ + .pushsection __ftr_alt_##label,"a"; \ + .align 2; \ +label##3: + #define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \ -99: \ - .section sect,"a"; \ +label##4: \ + .popsection; \ + .pushsection sect,"a"; \ .align 3; \ -98: \ +label##5: \ FTR_ENTRY_LONG msk; \ FTR_ENTRY_LONG val; \ - FTR_ENTRY_OFFSET label##b-98b; \ - FTR_ENTRY_OFFSET 99b-98b; \ - .previous - + FTR_ENTRY_OFFSET label##1b-label##5b; \ + FTR_ENTRY_OFFSET label##2b-label##5b; \ + FTR_ENTRY_OFFSET label##3b-label##5b; \ + FTR_ENTRY_OFFSET label##4b-label##5b; \ + .popsection; /* CPU feature dependent sections */ -#define BEGIN_FTR_SECTION_NESTED(label) label: -#define BEGIN_FTR_SECTION BEGIN_FTR_SECTION_NESTED(97) +#define BEGIN_FTR_SECTION_NESTED(label) START_FTR_SECTION(label) +#define BEGIN_FTR_SECTION START_FTR_SECTION(97) -#define END_FTR_SECTION_NESTED(msk, val, label) \ +#define END_FTR_SECTION_NESTED(msk, val, label) \ + FTR_SECTION_ELSE_NESTED(label) \ MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup) #define END_FTR_SECTION(msk, val) \ @@ -55,12 +66,27 @@ #define END_FTR_SECTION_IFSET(msk) END_FTR_SECTION((msk), (msk)) #define END_FTR_SECTION_IFCLR(msk) END_FTR_SECTION((msk), 0) +/* CPU feature sections with alternatives, use BEGIN_FTR_SECTION to start */ +#define FTR_SECTION_ELSE FTR_SECTION_ELSE_NESTED(97) +#define ALT_FTR_SECTION_END_NESTED(msk, val, label) \ + MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup) +#define ALT_FTR_SECTION_END_NESTED_IFSET(msk, label) \ + ALT_FTR_SECTION_END_NESTED(msk, msk, label) +#define ALT_FTR_SECTION_END_NESTED_IFCLR(msk, label) \ + ALT_FTR_SECTION_END_NESTED(msk, 0, label) +#define ALT_FTR_SECTION_END(msk, val) \ + ALT_FTR_SECTION_END_NESTED(msk, val, 97) +#define ALT_FTR_SECTION_END_IFSET(msk) \ + ALT_FTR_SECTION_END_NESTED_IFSET(msk, 97) +#define ALT_FTR_SECTION_END_IFCLR(msk) \ + ALT_FTR_SECTION_END_NESTED_IFCLR(msk, 97) /* Firmware feature dependent sections */ -#define BEGIN_FW_FTR_SECTION_NESTED(label) label: -#define BEGIN_FW_FTR_SECTION BEGIN_FW_FTR_SECTION_NESTED(97) +#define BEGIN_FW_FTR_SECTION_NESTED(label) START_FTR_SECTION(label) +#define BEGIN_FW_FTR_SECTION START_FTR_SECTION(97) -#define END_FW_FTR_SECTION_NESTED(msk, val, label) \ +#define END_FW_FTR_SECTION_NESTED(msk, val, label) \ + FTR_SECTION_ELSE_NESTED(label) \ MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup) #define END_FW_FTR_SECTION(msk, val) \ @@ -69,6 +95,22 @@ #define END_FW_FTR_SECTION_IFSET(msk) END_FW_FTR_SECTION((msk), (msk)) #define END_FW_FTR_SECTION_IFCLR(msk) END_FW_FTR_SECTION((msk), 0) +/* Firmware feature sections with alternatives */ +#define FW_FTR_SECTION_ELSE_NESTED(label) FTR_SECTION_ELSE_NESTED(label) +#define FW_FTR_SECTION_ELSE FTR_SECTION_ELSE_NESTED(97) +#define ALT_FW_FTR_SECTION_END_NESTED(msk, val, label) \ + MAKE_FTR_SECTION_ENTRY(msk, val, label, __fw_ftr_fixup) +#define ALT_FW_FTR_SECTION_END_NESTED_IFSET(msk, label) \ + ALT_FW_FTR_SECTION_END_NESTED(msk, msk, label) +#define ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, label) \ + ALT_FW_FTR_SECTION_END_NESTED(msk, 0, label) +#define ALT_FW_FTR_SECTION_END(msk, val) \ + ALT_FW_FTR_SECTION_END_NESTED(msk, val, 97) +#define ALT_FW_FTR_SECTION_END_IFSET(msk) \ + ALT_FW_FTR_SECTION_END_NESTED_IFSET(msk, 97) +#define ALT_FW_FTR_SECTION_END_IFCLR(msk) \ + ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, 97) + #endif /* __ASSEMBLY__ */ #endif /* __ASM_POWERPC_FEATURE_FIXUPS_H */ diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 079999b032af..7256efb5c140 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -732,6 +732,8 @@ " .llong %1\n" \ " .llong 97b-98b\n" \ " .llong 99b-98b\n" \ + " .llong 0\n" \ + " .llong 0\n" \ ".previous" \ : "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;}) #else diff --git a/include/asm-powerpc/timex.h b/include/asm-powerpc/timex.h index 92dedde761d1..c55e14f7ef44 100644 --- a/include/asm-powerpc/timex.h +++ b/include/asm-powerpc/timex.h @@ -38,6 +38,8 @@ static inline cycles_t get_cycles(void) " .long 0\n" " .long 97b-98b\n" " .long 99b-98b\n" + " .long 0\n" + " .long 0\n" ".previous" : "=r" (ret) : "i" (CPU_FTR_601)); return ret; |