From 297b60346df8beafee954a0fd7c2d64f33f3b9bc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:44:05 +0000
Subject: [PATCH] rtl8211F_led_control
---
kernel/arch/powerpc/include/asm/book3s/32/mmu-hash.h | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/kernel/arch/powerpc/include/asm/book3s/32/mmu-hash.h b/kernel/arch/powerpc/include/asm/book3s/32/mmu-hash.h
index e38c913..cbde06d 100644
--- a/kernel/arch/powerpc/include/asm/book3s/32/mmu-hash.h
+++ b/kernel/arch/powerpc/include/asm/book3s/32/mmu-hash.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_BOOK3S_32_MMU_HASH_H_
#define _ASM_POWERPC_BOOK3S_32_MMU_HASH_H_
+
/*
* 32-bit hash table MMU support
*/
@@ -34,8 +35,12 @@
#define BAT_PHYS_ADDR(x) ((u32)((x & 0x00000000fffe0000ULL) | \
((x & 0x0000000e00000000ULL) >> 24) | \
((x & 0x0000000100000000ULL) >> 30)))
+#define PHYS_BAT_ADDR(x) (((u64)(x) & 0x00000000fffe0000ULL) | \
+ (((u64)(x) << 24) & 0x0000000e00000000ULL) | \
+ (((u64)(x) << 30) & 0x0000000100000000ULL))
#else
#define BAT_PHYS_ADDR(x) (x)
+#define PHYS_BAT_ADDR(x) ((x) & 0xfffe0000)
#endif
struct ppc_bat {
@@ -53,6 +58,11 @@
#define PP_RWRX 1 /* Supervisor read/write, User read */
#define PP_RWRW 2 /* Supervisor read/write, User read/write */
#define PP_RXRX 3 /* Supervisor read, User read */
+
+/* Values for Segment Registers */
+#define SR_NX 0x10000000 /* No Execute */
+#define SR_KP 0x20000000 /* User key */
+#define SR_KS 0x40000000 /* Supervisor key */
#ifndef __ASSEMBLY__
@@ -83,6 +93,17 @@
unsigned long vdso_base;
} mm_context_t;
+void update_bats(void);
+static inline void cleanup_cpu_mmu_context(void) { };
+
+/* patch sites */
+extern s32 patch__hash_page_A0, patch__hash_page_A1, patch__hash_page_A2;
+extern s32 patch__hash_page_B, patch__hash_page_C;
+extern s32 patch__flush_hash_A0, patch__flush_hash_A1, patch__flush_hash_A2;
+extern s32 patch__flush_hash_B;
+
+int __init find_free_bat(void);
+unsigned int bat_block_size(unsigned long base, unsigned long top);
#endif /* !__ASSEMBLY__ */
/* We happily ignore the smaller BATs on 601, we don't actually use
--
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