X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fopenbios%2Finclude%2Fkernel%2Fstack.h;fp=qemu%2Froms%2Fopenbios%2Finclude%2Fkernel%2Fstack.h;h=5edfc5cf3489d1ec62a49a6067ecc5bd507e7754;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/openbios/include/kernel/stack.h b/qemu/roms/openbios/include/kernel/stack.h
new file mode 100644
index 000000000..5edfc5cf3
--- /dev/null
+++ b/qemu/roms/openbios/include/kernel/stack.h
@@ -0,0 +1,117 @@
+/* stack.h
+ * tag: stack and stack access functions
+ *
+ * Copyright (C) 2003 Patrick Mauritz, Stefan Reinauer
+ *
+ * See the file "COPYING" for further information about
+ * the copyright and warranty status of this work.
+ */
+
+#ifndef __STACK_H
+#define __STACK_H
+
+#define dstacksize 512
+extern int  dstackcnt;
+extern cell dstack[dstacksize];
+
+#define rstacksize 512
+extern int  rstackcnt;
+extern cell rstack[rstacksize];
+
+extern int dbgrstackcnt;
+
+//typedef struct opaque_xt *xt_t;
+//typedef struct opaque_ihandle *ihandle_t;
+//typedef struct opaque_phandle *phandle_t;
+
+typedef ucell xt_t;
+typedef ucell ihandle_t;
+typedef ucell phandle_t;
+
+
+
+#ifdef NATIVE_BITWIDTH_EQUALS_HOST_BITWIDTH
+
+static inline ucell pointer2cell(const void* x)
+{
+    return (ucell)(uintptr_t)x;
+}
+
+static inline void* cell2pointer(ucell x)
+{
+    return (void*)(uintptr_t)x;
+}
+
+#endif
+
+static inline void PUSH(ucell value) {
+	dstack[++dstackcnt] = (value);
+}
+static inline void PUSH_xt( xt_t xt ) { PUSH( (ucell)xt ); }
+static inline void PUSH_ih( ihandle_t ih ) { PUSH( (ucell)ih ); }
+static inline void PUSH_ph( phandle_t ph ) { PUSH( (ucell)ph ); }
+
+static inline ucell POP(void) {
+	return (ucell) dstack[dstackcnt--];
+}
+static inline xt_t POP_xt( void ) { return (xt_t)POP(); }
+static inline ihandle_t POP_ih( void ) { return (ihandle_t)POP(); }
+static inline phandle_t POP_ph( void ) { return (phandle_t)POP(); }
+
+static inline void DROP(void) {
+	dstackcnt--;
+}
+
+static inline void DDROP(void) {
+	dstackcnt -= 2;
+}
+
+static inline void DPUSH(ducell value) {
+#ifdef NEED_FAKE_INT128_T
+	dstack[++dstackcnt] = (cell) value.lo;
+	dstack[++dstackcnt] = (cell) value.hi;
+#else
+	dstack[++dstackcnt] = (cell) value;
+	dstack[++dstackcnt] = (cell) (value >> bitspercell);
+#endif
+}
+
+static inline ducell DPOP(void) {
+#ifdef NEED_FAKE_INT128_T
+	ducell du;
+	du.hi = (ucell) dstack[dstackcnt--];
+	du.lo = (ucell) dstack[dstackcnt--];
+	return du;
+#else
+	ducell du;
+        du = ((ducell)(ucell) dstack[dstackcnt--]) << bitspercell;
+	du |= (ucell) dstack[dstackcnt--];
+	return du;
+#endif
+}
+
+static inline ucell GETTOS(void) {
+	return dstack[dstackcnt];
+}
+
+#define GETITEM(number) (dstack[dstackcnt - number])
+static inline void PUSHR(ucell value) {
+	rstack[++rstackcnt] = (value);
+}
+
+static inline ucell POPR(void) {
+	return (ucell) rstack[rstackcnt--];
+}
+static inline ucell GETTORS(void) {
+	return rstack[rstackcnt];
+}
+
+
+#if defined(DEBUG_DSTACK) || defined(FCOMPILER)
+void printdstack(void);
+#endif
+#if defined(DEBUG_RSTACK) || defined(FCOMPILER)
+void printrstack(void);
+#endif
+
+#endif