2005-05-29 15:54:26 +00:00
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diff -urN linux.old/arch/mips/mm/tlbex-mips32.S linux.dev/arch/mips/mm/tlbex-mips32.S
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--- linux.old/arch/mips/mm/tlbex-mips32.S 2005-05-28 17:42:03.000000000 +0200
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+++ linux.dev/arch/mips/mm/tlbex-mips32.S 2005-05-28 21:48:55.000000000 +0200
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@@ -90,6 +90,9 @@
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.set noat
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LEAF(except_vec0_r4000)
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.set mips3
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+#ifdef CONFIG_BCM4704
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+ nop
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+#endif
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#ifdef CONFIG_SMP
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mfc0 k1, CP0_CONTEXT
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la k0, pgd_current
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diff -urN linux.old/arch/mips/mm/pg-r4k.c linux.dev/arch/mips/mm/pg-r4k.c
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--- linux.old/arch/mips/mm/pg-r4k.c 2005-01-19 15:09:29.000000000 +0100
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+++ linux.dev/arch/mips/mm/pg-r4k.c 2005-05-28 21:57:52.000000000 +0200
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@@ -180,6 +180,7 @@
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static inline void build_cdex_s(void)
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{
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+#if !defined(CONFIG_BCM4704) && !defined(CONFIG_BCM4710)
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union mips_instruction mi;
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if ((store_offset & (cpu_scache_line_size() - 1)))
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@@ -192,10 +193,12 @@
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mi.c_format.simmediate = store_offset;
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emit_instruction(mi);
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+#endif
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}
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static inline void build_cdex_p(void)
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{
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+#if !defined(CONFIG_BCM4704) && !defined(CONFIG_BCM4710)
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union mips_instruction mi;
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if (store_offset & (cpu_dcache_line_size() - 1))
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@@ -218,6 +221,7 @@
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mi.c_format.simmediate = store_offset;
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emit_instruction(mi);
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+#endif
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}
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static void __build_store_reg(int reg)
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diff -urN linux.old/include/asm-mips/stackframe.h linux.dev/include/asm-mips/stackframe.h
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--- linux.old/include/asm-mips/stackframe.h 2002-11-29 00:53:15.000000000 +0100
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+++ linux.dev/include/asm-mips/stackframe.h 2005-05-28 21:53:03.000000000 +0200
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@@ -172,6 +172,46 @@
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rfe; \
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.set pop
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+#elif defined(CONFIG_BCM4710) || defined(CONFIG_BCM4704)
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+
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+#define RESTORE_SOME \
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+ .set push; \
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+ .set reorder; \
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+ mfc0 t0, CP0_STATUS; \
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+ .set pop; \
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+ ori t0, 0x1f; \
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+ xori t0, 0x1f; \
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+ mtc0 t0, CP0_STATUS; \
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+ li v1, 0xff00; \
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+ and t0, v1; \
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+ lw v0, PT_STATUS(sp); \
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+ nor v1, $0, v1; \
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+ and v0, v1; \
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+ or v0, t0; \
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+ ori v1, v0, ST0_IE; \
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+ xori v1, v1, ST0_IE; \
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+ mtc0 v1, CP0_STATUS; \
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+ mtc0 v0, CP0_STATUS; \
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+ lw v1, PT_EPC(sp); \
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+ mtc0 v1, CP0_EPC; \
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+ lw $31, PT_R31(sp); \
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+ lw $28, PT_R28(sp); \
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+ lw $25, PT_R25(sp); \
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+ lw $7, PT_R7(sp); \
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+ lw $6, PT_R6(sp); \
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+ lw $5, PT_R5(sp); \
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+ lw $4, PT_R4(sp); \
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+ lw $3, PT_R3(sp); \
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+ lw $2, PT_R2(sp)
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+
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+#define RESTORE_SP_AND_RET \
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+ lw sp, PT_R29(sp); \
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+ nop; \
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+ nop; \
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+ .set mips3; \
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+ eret; \
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+ .set mips0
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+
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#else
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#define RESTORE_SOME \
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diff -urN linux.old/arch/mips/mm/tlbex-r4k.S linux.dev/arch/mips/mm/tlbex-r4k.S
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--- linux.old/arch/mips/mm/tlbex-r4k.S 2005-05-28 17:42:03.000000000 +0200
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+++ linux.dev/arch/mips/mm/tlbex-r4k.S 2005-05-29 15:04:43.000000000 +0200
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@@ -168,6 +168,9 @@
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.set noat
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LEAF(except_vec0_r4000)
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.set mips3
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+#ifdef CONFIG_BCM4704
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+ nop
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+#endif
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GET_PGD(k0, k1) # get pgd pointer
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mfc0 k0, CP0_BADVADDR # Get faulting address
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srl k0, k0, _PGDIR_SHIFT # get pgd only bits
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2005-06-01 21:13:56 +00:00
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diff -urN linux.old/arch/mips/kernel/entry.S linux.dev/arch/mips/kernel/entry.S
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--- linux.old/arch/mips/kernel/entry.S 2003-08-25 13:44:40.000000000 +0200
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+++ linux.dev/arch/mips/kernel/entry.S 2005-06-01 20:10:36.000000000 +0200
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@@ -100,6 +100,10 @@
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* and R4400 SC and MC versions.
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*/
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NESTED(except_vec3_generic, 0, sp)
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+#ifdef CONFIG_BCM4710
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+ nop
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+ nop
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+#endif
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#if R5432_CP0_INTERRUPT_WAR
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mfc0 k0, CP0_INDEX
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#endif
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