1 files changed, 17 insertions, 0 deletions
diff --git a/util/dell-flash-unlock/accessors.h b/util/dell-flash-unlock/accessors.h
new file mode 100644
index 00000000..a19f2152
--- /dev/null
+++ b/util/dell-flash-unlock/accessors.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: MIT */
+/* SPDX-FileCopyrightText: 2023 Nicholas Chin */
+
+#include <stdint.h>
+
+#define PCI_CFG_ADDR 0xcf8
+#define PCI_CFG_DATA 0xcfc
+#define PCI_DEV(bus, dev, func) (1u << 31 | bus << 16 | dev << 11 | func << 8)
+
+uint32_t pci_read_32(uint32_t dev, uint8_t reg);
+void pci_write_32(uint32_t dev, uint8_t reg, uint32_t value);
+
+int sys_iopl(int level);
+void sys_outb(unsigned int port, uint8_t data);
+void sys_outl(unsigned int port, uint32_t data);
+uint8_t sys_inb(unsigned int port);
+uint32_t sys_inl(unsigned int port);