Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / blackfin / include / asm / entry.h

diff --git a/qemu/roms/u-boot/arch/blackfin/include/asm/entry.h b/qemu/roms/u-boot/arch/blackfin/include/asm/entry.h
new file mode 100644 (file)
index 0000000..98fe79c
--- /dev/null
+++ b/qemu/roms/u-boot/arch/blackfin/include/asm/entry.h
@@ -0,0 +1,243 @@
+/*
+ * entry.h - routines for context saving and restoring (for interrupts/exceptions)
+ *
+ * Copyright (c) 2005-2007 Analog Devices Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __BLACKFIN_ENTRY_H
+#define __BLACKFIN_ENTRY_H
+#ifdef __ASSEMBLY__
+
+#define SAVE_ALL_INT           save_context_no_interrupts
+#define SAVE_ALL_SYS           save_context_no_interrupts
+#define SAVE_CONTEXT           save_context_with_interrupts
+
+#define RESTORE_ALL            restore_context_no_interrupts
+#define RESTORE_ALL_SYS                restore_context_no_interrupts
+#define RESTORE_CONTEXT                restore_context_with_interrupts
+
+/*
+ * Code to save processor context.
+ * We even save the register which are preserved by a function call
+ * - r4, r5, r6, r7, p3, p4, p5
+ */
+.macro save_context_with_interrupts
+       [--sp] = R0;
+       [--sp] = ( R7:0, P5:0 );
+       [--sp] = fp;
+       [--sp] = usp;
+
+       [--sp] = i0;
+       [--sp] = i1;
+       [--sp] = i2;
+       [--sp] = i3;
+
+       [--sp] = m0;
+       [--sp] = m1;
+       [--sp] = m2;
+       [--sp] = m3;
+
+       [--sp] = l0;
+       [--sp] = l1;
+       [--sp] = l2;
+       [--sp] = l3;
+
+       [--sp] = b0;
+       [--sp] = b1;
+       [--sp] = b2;
+       [--sp] = b3;
+       [--sp] = a0.x;
+       [--sp] = a0.w;
+       [--sp] = a1.x;
+       [--sp] = a1.w;
+
+       [--sp] = LC0;
+       [--sp] = LC1;
+       [--sp] = LT0;
+       [--sp] = LT1;
+       [--sp] = LB0;
+       [--sp] = LB1;
+
+       [--sp] = ASTAT;
+
+       [--sp] = r0;    /* Skip reserved */
+       [--sp] = RETS;
+       [--sp] = RETI;
+       [--sp] = RETX;
+       [--sp] = RETN;
+       [--sp] = RETE;
+       [--sp] = SEQSTAT;
+       [--sp] = SYSCFG;
+#ifdef CONFIG_CMD_KGDB
+       p0.l = lo(IPEND)
+       p0.h = hi(IPEND)
+       r0 = [p0];
+#endif
+       [--sp] = r0;    /* Skip IPEND as well. */
+.endm
+
+.macro save_context_no_interrupts
+       [--sp] = R0;
+       [--sp] = ( R7:0, P5:0 );
+       [--sp] = fp;
+       [--sp] = usp;
+
+       [--sp] = i0;
+       [--sp] = i1;
+       [--sp] = i2;
+       [--sp] = i3;
+
+       [--sp] = m0;
+       [--sp] = m1;
+       [--sp] = m2;
+       [--sp] = m3;
+
+       [--sp] = l0;
+       [--sp] = l1;
+       [--sp] = l2;
+       [--sp] = l3;
+
+       [--sp] = b0;
+       [--sp] = b1;
+       [--sp] = b2;
+       [--sp] = b3;
+       [--sp] = a0.x;
+       [--sp] = a0.w;
+       [--sp] = a1.x;
+       [--sp] = a1.w;
+
+       [--sp] = LC0;
+       [--sp] = LC1;
+       [--sp] = LT0;
+       [--sp] = LT1;
+       [--sp] = LB0;
+       [--sp] = LB1;
+
+       [--sp] = ASTAT;
+
+       [--sp] = r0;    /* Skip reserved */
+       [--sp] = RETS;
+       r0 = RETI;
+       [--sp] = r0;
+       [--sp] = RETX;
+       [--sp] = RETN;
+       [--sp] = RETE;
+       [--sp] = SEQSTAT;
+       [--sp] = SYSCFG;
+#ifdef CONFIG_CMD_KGDB
+       p0.l = lo(IPEND)
+       p0.h = hi(IPEND)
+       r0 = [p0];
+#endif
+       [--sp] = r0;    /* Skip IPEND as well. */
+.endm
+
+.macro restore_context_no_interrupts
+       sp += 4;
+       SYSCFG = [sp++];
+       SEQSTAT = [sp++];
+       RETE = [sp++];
+       RETN = [sp++];
+       RETX = [sp++];
+       r0 = [sp++];
+       RETI = r0;
+       RETS = [sp++];
+
+       sp += 4;
+
+       ASTAT = [sp++];
+
+       LB1 = [sp++];
+       LB0 = [sp++];
+       LT1 = [sp++];
+       LT0 = [sp++];
+       LC1 = [sp++];
+       LC0 = [sp++];
+
+       a1.w = [sp++];
+       a1.x = [sp++];
+       a0.w = [sp++];
+       a0.x = [sp++];
+       b3 = [sp++];
+       b2 = [sp++];
+       b1 = [sp++];
+       b0 = [sp++];
+
+       l3 = [sp++];
+       l2 = [sp++];
+       l1 = [sp++];
+       l0 = [sp++];
+
+       m3 = [sp++];
+       m2 = [sp++];
+       m1 = [sp++];
+       m0 = [sp++];
+
+       i3 = [sp++];
+       i2 = [sp++];
+       i1 = [sp++];
+       i0 = [sp++];
+
+       sp += 4;
+       fp = [sp++];
+
+       ( R7 : 0, P5 : 0) = [ SP ++ ];
+       sp += 4;
+.endm
+
+.macro restore_context_with_interrupts
+       sp += 4;
+       SYSCFG = [sp++];
+       SEQSTAT = [sp++];
+       RETE = [sp++];
+       RETN = [sp++];
+       RETX = [sp++];
+       RETI = [sp++];
+       RETS = [sp++];
+
+       sp += 4;
+
+       ASTAT = [sp++];
+
+       LB1 = [sp++];
+       LB0 = [sp++];
+       LT1 = [sp++];
+       LT0 = [sp++];
+       LC1 = [sp++];
+       LC0 = [sp++];
+
+       a1.w = [sp++];
+       a1.x = [sp++];
+       a0.w = [sp++];
+       a0.x = [sp++];
+       b3 = [sp++];
+       b2 = [sp++];
+       b1 = [sp++];
+       b0 = [sp++];
+
+       l3 = [sp++];
+       l2 = [sp++];
+       l1 = [sp++];
+       l0 = [sp++];
+
+       m3 = [sp++];
+       m2 = [sp++];
+       m1 = [sp++];
+       m0 = [sp++];
+
+       i3 = [sp++];
+       i2 = [sp++];
+       i1 = [sp++];
+       i0 = [sp++];
+
+       sp += 4;
+       fp = [sp++];
+
+       ( R7 : 0, P5 : 0) = [ SP ++ ];
+       sp += 4;
+.endm
+
+#endif
+#endif