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-rw-r--r--sys/include/arch/amd64/pcb.h39
-rw-r--r--sys/include/sys/proc.h2
2 files changed, 41 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/pcb.h b/sys/include/arch/amd64/pcb.h
new file mode 100644
index 0000000..0e0aab8
--- /dev/null
+++ b/sys/include/arch/amd64/pcb.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _AMD64_PCB_H_
+#define _AMD64_PCB_H_
+
+#include <sys/types.h>
+
+struct pcb {
+ uint8_t *fpu_state;
+};
+
+#endif /* !_AMD64_PCB_H_ */
diff --git a/sys/include/sys/proc.h b/sys/include/sys/proc.h
index 0d3b45e..34a5037 100644
--- a/sys/include/sys/proc.h
+++ b/sys/include/sys/proc.h
@@ -34,6 +34,7 @@
#include <sys/queue.h>
#include <machine/cpu.h>
#include <machine/frame.h>
+#include <machine/pcb.h>
#include <vm/vm.h>
/*
@@ -44,6 +45,7 @@ struct proc {
pid_t pid;
struct cpu_info *cpu;
struct trapframe *tf;
+ struct pcb pcb;
struct vas addrsp;
TAILQ_ENTRY(proc) link;
};