From 63167f223e1f54910f6b80e698390ee60aec79ee Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Tue, 11 Aug 2020 11:33:21 -0400 Subject: lots of progress currently, BAR fields of IDE drives are all returning zero, and the ATA read function isn't working. i'm not sure why. i'm going to work on VESA next, and come back to the IDE driver later --- src/kernel/boot.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 src/kernel/boot.h (limited to 'src/kernel/boot.h') diff --git a/src/kernel/boot.h b/src/kernel/boot.h new file mode 100644 index 0000000..b3d3e76 --- /dev/null +++ b/src/kernel/boot.h @@ -0,0 +1,26 @@ +#ifndef BOOT_H +#define BOOT_H + +#include + +enum { + BIS_PCI = 0x80 +}; + +enum { + PHC_CS_M1 = 0x01, + PHC_CS_M2 = 0x02, + PHC_SC_M1 = 0x10, + PHC_SC_M2 = 0x20 +}; + +#define BOOT_INFO \ + ((struct { \ + uint8_t support_flags; \ + uint8_t pci_hw_char; \ + uint8_t pci_minor_bcd; \ + uint8_t pci_major_bcd; \ + uint8_t last_pci_bus; \ + } __attribute__ ((__packed__)) *)0x4000) + +#endif \ No newline at end of file -- cgit v1.2.3