diff options
Diffstat (limited to 'target/linux/linux-2.4/patches/brcm/003-bcm47xx_workarounds.patch')
| -rw-r--r-- | target/linux/linux-2.4/patches/brcm/003-bcm47xx_workarounds.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/target/linux/linux-2.4/patches/brcm/003-bcm47xx_workarounds.patch b/target/linux/linux-2.4/patches/brcm/003-bcm47xx_workarounds.patch deleted file mode 100644 index 73afd60c1..000000000 --- a/target/linux/linux-2.4/patches/brcm/003-bcm47xx_workarounds.patch +++ /dev/null @@ -1,122 +0,0 @@ -diff -urN linux.old/arch/mips/mm/tlbex-mips32.S linux.dev/arch/mips/mm/tlbex-mips32.S ---- linux.old/arch/mips/mm/tlbex-mips32.S 2005-05-28 17:42:03.000000000 +0200 -+++ linux.dev/arch/mips/mm/tlbex-mips32.S 2005-05-28 21:48:55.000000000 +0200 -@@ -90,6 +90,9 @@ - .set noat - LEAF(except_vec0_r4000) - .set mips3 -+#ifdef CONFIG_BCM4704 -+ nop -+#endif - #ifdef CONFIG_SMP - mfc0 k1, CP0_CONTEXT - la k0, pgd_current -diff -urN linux.old/arch/mips/mm/pg-r4k.c linux.dev/arch/mips/mm/pg-r4k.c ---- linux.old/arch/mips/mm/pg-r4k.c 2005-01-19 15:09:29.000000000 +0100 -+++ linux.dev/arch/mips/mm/pg-r4k.c 2005-05-28 21:57:52.000000000 +0200 -@@ -180,6 +180,7 @@ - - static inline void build_cdex_s(void) - { -+#if !defined(CONFIG_BCM4704) && !defined(CONFIG_BCM4710) - union mips_instruction mi; - - if ((store_offset & (cpu_scache_line_size() - 1))) -@@ -192,10 +193,12 @@ - mi.c_format.simmediate = store_offset; - - emit_instruction(mi); -+#endif - } - - static inline void build_cdex_p(void) - { -+#if !defined(CONFIG_BCM4704) && !defined(CONFIG_BCM4710) - union mips_instruction mi; - - if (store_offset & (cpu_dcache_line_size() - 1)) -@@ -218,6 +221,7 @@ - mi.c_format.simmediate = store_offset; - - emit_instruction(mi); -+#endif - } - - static void __build_store_reg(int reg) -diff -urN linux.old/include/asm-mips/stackframe.h linux.dev/include/asm-mips/stackframe.h ---- linux.old/include/asm-mips/stackframe.h 2002-11-29 00:53:15.000000000 +0100 -+++ linux.dev/include/asm-mips/stackframe.h 2005-05-28 21:53:03.000000000 +0200 -@@ -172,6 +172,46 @@ - rfe; \ - .set pop - -+#elif defined(CONFIG_BCM4710) || defined(CONFIG_BCM4704) -+ -+#define RESTORE_SOME \ -+ .set push; \ -+ .set reorder; \ -+ mfc0 t0, CP0_STATUS; \ -+ .set pop; \ -+ ori t0, 0x1f; \ -+ xori t0, 0x1f; \ -+ mtc0 t0, CP0_STATUS; \ -+ li v1, 0xff00; \ -+ and t0, v1; \ -+ lw v0, PT_STATUS(sp); \ -+ nor v1, $0, v1; \ -+ and v0, v1; \ -+ or v0, t0; \ -+ ori v1, v0, ST0_IE; \ -+ xori v1, v1, ST0_IE; \ -+ mtc0 v1, CP0_STATUS; \ -+ mtc0 v0, CP0_STATUS; \ -+ lw v1, PT_EPC(sp); \ -+ mtc0 v1, CP0_EPC; \ -+ lw $31, PT_R31(sp); \ -+ lw $28, PT_R28(sp); \ -+ lw $25, PT_R25(sp); \ -+ lw $7, PT_R7(sp); \ -+ lw $6, PT_R6(sp); \ -+ lw $5, PT_R5(sp); \ -+ lw $4, PT_R4(sp); \ -+ lw $3, PT_R3(sp); \ -+ lw $2, PT_R2(sp) -+ -+#define RESTORE_SP_AND_RET \ -+ lw sp, PT_R29(sp); \ -+ nop; \ -+ nop; \ -+ .set mips3; \ -+ eret; \ -+ .set mips0 -+ - #else - - #define RESTORE_SOME \ -diff -urN linux.old/arch/mips/mm/tlbex-r4k.S linux.dev/arch/mips/mm/tlbex-r4k.S ---- linux.old/arch/mips/mm/tlbex-r4k.S 2005-05-28 17:42:03.000000000 +0200 -+++ linux.dev/arch/mips/mm/tlbex-r4k.S 2005-05-29 15:04:43.000000000 +0200 -@@ -168,6 +168,9 @@ - .set noat - LEAF(except_vec0_r4000) - .set mips3 -+#ifdef CONFIG_BCM4704 -+ nop -+#endif - GET_PGD(k0, k1) # get pgd pointer - mfc0 k0, CP0_BADVADDR # Get faulting address - srl k0, k0, _PGDIR_SHIFT # get pgd only bits -diff -urN linux.old/arch/mips/kernel/entry.S linux.dev/arch/mips/kernel/entry.S ---- linux.old/arch/mips/kernel/entry.S 2003-08-25 13:44:40.000000000 +0200 -+++ linux.dev/arch/mips/kernel/entry.S 2005-06-01 20:10:36.000000000 +0200 -@@ -100,6 +100,10 @@ - * and R4400 SC and MC versions. - */ - NESTED(except_vec3_generic, 0, sp) -+#ifdef CONFIG_BCM4710 -+ nop -+ nop -+#endif - #if R5432_CP0_INTERRUPT_WAR - mfc0 k0, CP0_INDEX - #endif |