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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/parisc/include/asm/psw.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/parisc/include/asm/psw.h')
-rw-r--r--arch/parisc/include/asm/psw.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/psw.h b/arch/parisc/include/asm/psw.h
new file mode 100644
index 000000000..76c301146
--- /dev/null
+++ b/arch/parisc/include/asm/psw.h
@@ -0,0 +1,104 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _PARISC_PSW_H
+
+
+#define PSW_I 0x00000001
+#define PSW_D 0x00000002
+#define PSW_P 0x00000004
+#define PSW_Q 0x00000008
+
+#define PSW_R 0x00000010
+#define PSW_F 0x00000020
+#define PSW_G 0x00000040 /* PA1.x only */
+#define PSW_O 0x00000080 /* PA2.0 only */
+
+/* ssm/rsm instructions number PSW_W and PSW_E differently */
+#define PSW_SM_I PSW_I /* Enable External Interrupts */
+#define PSW_SM_D PSW_D
+#define PSW_SM_P PSW_P
+#define PSW_SM_Q PSW_Q /* Enable Interrupt State Collection */
+#define PSW_SM_R PSW_R /* Enable Recover Counter Trap */
+#define PSW_SM_W 0x200 /* PA2.0 only : Enable Wide Mode */
+
+#define PSW_SM_QUIET PSW_SM_R+PSW_SM_Q+PSW_SM_P+PSW_SM_D+PSW_SM_I
+
+#define PSW_CB 0x0000ff00
+
+#define PSW_M 0x00010000
+#define PSW_V 0x00020000
+#define PSW_C 0x00040000
+#define PSW_B 0x00080000
+
+#define PSW_X 0x00100000
+#define PSW_N 0x00200000
+#define PSW_L 0x00400000
+#define PSW_H 0x00800000
+
+#define PSW_T 0x01000000
+#define PSW_S 0x02000000
+#define PSW_E 0x04000000
+#define PSW_W 0x08000000 /* PA2.0 only */
+#define PSW_W_BIT 36 /* PA2.0 only */
+
+#define PSW_Z 0x40000000 /* PA1.x only */
+#define PSW_Y 0x80000000 /* PA1.x only */
+
+#ifdef CONFIG_64BIT
+# define PSW_HI_CB 0x000000ff /* PA2.0 only */
+#endif
+
+#ifdef CONFIG_64BIT
+# define USER_PSW_HI_MASK PSW_HI_CB
+# define WIDE_PSW PSW_W
+#else
+# define WIDE_PSW 0
+#endif
+
+/* Used when setting up for rfi */
+#define KERNEL_PSW (WIDE_PSW | PSW_C | PSW_Q | PSW_P | PSW_D)
+#define REAL_MODE_PSW (WIDE_PSW | PSW_Q)
+#define USER_PSW_MASK (WIDE_PSW | PSW_T | PSW_N | PSW_X | PSW_B | PSW_V | PSW_CB)
+#define USER_PSW (PSW_C | PSW_Q | PSW_P | PSW_D | PSW_I)
+
+#ifndef __ASSEMBLY__
+
+/* The program status word as bitfields. */
+struct pa_psw {
+ unsigned int y:1;
+ unsigned int z:1;
+ unsigned int rv:2;
+ unsigned int w:1;
+ unsigned int e:1;
+ unsigned int s:1;
+ unsigned int t:1;
+
+ unsigned int h:1;
+ unsigned int l:1;
+ unsigned int n:1;
+ unsigned int x:1;
+ unsigned int b:1;
+ unsigned int c:1;
+ unsigned int v:1;
+ unsigned int m:1;
+
+ unsigned int cb:8;
+
+ unsigned int o:1;
+ unsigned int g:1;
+ unsigned int f:1;
+ unsigned int r:1;
+ unsigned int q:1;
+ unsigned int p:1;
+ unsigned int d:1;
+ unsigned int i:1;
+};
+
+#ifdef CONFIG_64BIT
+#define pa_psw(task) ((struct pa_psw *) ((char *) (task) + TASK_PT_PSW + 4))
+#else
+#define pa_psw(task) ((struct pa_psw *) ((char *) (task) + TASK_PT_PSW))
+#endif
+
+#endif /* !__ASSEMBLY__ */
+
+#endif