From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:17 +0000
Subject: [PATCH] add ax88772_rst
---
kernel/arch/mips/kernel/ptrace32.c | 34 ++++++++++++++++++++--------------
1 files changed, 20 insertions(+), 14 deletions(-)
diff --git a/kernel/arch/mips/kernel/ptrace32.c b/kernel/arch/mips/kernel/ptrace32.c
index bc348d4..afcf27a 100644
--- a/kernel/arch/mips/kernel/ptrace32.c
+++ b/kernel/arch/mips/kernel/ptrace32.c
@@ -30,7 +30,6 @@
#include <asm/fpu.h>
#include <asm/mipsregs.h>
#include <asm/mipsmtregs.h>
-#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/reg.h>
#include <asm/syscall.h>
@@ -82,7 +81,6 @@
/* Read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
struct pt_regs *regs;
- union fpureg *fregs;
unsigned int tmp;
regs = task_pt_regs(child);
@@ -92,7 +90,10 @@
case 0 ... 31:
tmp = regs->regs[addr];
break;
- case FPR_BASE ... FPR_BASE + 31:
+#ifdef CONFIG_MIPS_FP_SUPPORT
+ case FPR_BASE ... FPR_BASE + 31: {
+ union fpureg *fregs;
+
if (!tsk_used_math(child)) {
/* FP not yet used */
tmp = -1;
@@ -111,6 +112,15 @@
}
tmp = get_fpr64(&fregs[addr - FPR_BASE], 0);
break;
+ }
+ case FPC_CSR:
+ tmp = child->thread.fpu.fcr31;
+ break;
+ case FPC_EIR:
+ /* implementation / version register */
+ tmp = boot_cpu_data.fpu_id;
+ break;
+#endif /* CONFIG_MIPS_FP_SUPPORT */
case PC:
tmp = regs->cp0_epc;
break;
@@ -125,13 +135,6 @@
break;
case MMLO:
tmp = regs->lo;
- break;
- case FPC_CSR:
- tmp = child->thread.fpu.fcr31;
- break;
- case FPC_EIR:
- /* implementation / version register */
- tmp = boot_cpu_data.fpu_id;
break;
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
@@ -203,6 +206,7 @@
mips_syscall_is_indirect(child, regs))
mips_syscall_update_nr(child, regs);
break;
+#ifdef CONFIG_MIPS_FP_SUPPORT
case FPR_BASE ... FPR_BASE + 31: {
union fpureg *fregs = get_fpu_regs(child);
@@ -225,6 +229,10 @@
set_fpr64(&fregs[addr - FPR_BASE], 0, data);
break;
}
+ case FPC_CSR:
+ child->thread.fpu.fcr31 = data;
+ break;
+#endif /* CONFIG_MIPS_FP_SUPPORT */
case PC:
regs->cp0_epc = data;
break;
@@ -233,9 +241,6 @@
break;
case MMLO:
regs->lo = data;
- break;
- case FPC_CSR:
- child->thread.fpu.fcr31 = data;
break;
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
@@ -274,6 +279,7 @@
(struct user_pt_regs __user *) (__u64) data);
break;
+#ifdef CONFIG_MIPS_FP_SUPPORT
case PTRACE_GETFPREGS:
ret = ptrace_getfpregs(child, (__u32 __user *) (__u64) data);
break;
@@ -281,7 +287,7 @@
case PTRACE_SETFPREGS:
ret = ptrace_setfpregs(child, (__u32 __user *) (__u64) data);
break;
-
+#endif
case PTRACE_GET_THREAD_AREA:
ret = put_user(task_thread_info(child)->tp_value,
(unsigned int __user *) (unsigned long) data);
--
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