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| author | Benji Dial <Benji3.141@gmail.com> | 2020-08-11 11:33:21 -0400 |
|---|---|---|
| committer | Benji Dial <Benji3.141@gmail.com> | 2020-08-11 11:33:21 -0400 |
| commit | 63167f223e1f54910f6b80e698390ee60aec79ee (patch) | |
| tree | 41844f646bdcb5c9ba241bb5867c5e4f51737d52 /src/kernel/boot.h | |
| parent | 77d7a284c02bc6b1b3a3a92ad5d957172cee9b81 (diff) | |
| download | portland-os-63167f223e1f54910f6b80e698390ee60aec79ee.tar.gz | |
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
Diffstat (limited to 'src/kernel/boot.h')
| -rw-r--r-- | src/kernel/boot.h | 26 |
1 files changed, 26 insertions, 0 deletions
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 <stdint.h> + +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
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