Commit Graph

6 Commits

Author SHA1 Message Date
Justin C. Miller
ea9d20a250 [panic] Add separate kernel-mode panic handler
Created the framework for using different loadable panic handlers,
loaded by the bootloader. Initial panic handler is panic.serial, which
contains its own serial driver and stacktrace code.

Other related changes:

- Asserts are now based on the NMI handler - panic handlers get
  installed as the NMI interrupt handler
- Changed symbol table generation: now use nm's own demangling and
  sorting, and include symbol size in the table
- Move the linker script argument out of the kernel target, and into the
  kernel's specific module, so that other programs (ie, panic handlers)
  can use the kernel target as well
- Some asm changes to boot.s to help GDB see stack frames - but this
  might not actually be all that useful
- Renamed user_rsp to just rsp in cpu_state - everything in there is
  describing the 'user' state
2021-08-01 14:03:10 -07:00
Justin C. Miller
1308864061 MSR and syscall changes
- Moved MSR code to separate files with an enum class
- Implemented syscall_enable in C++ using new MSR calls
2018-09-15 00:37:49 -07:00
Justin C. Miller
7f69a6c9b1 Clean up AHCI: volatile, and sata_reset 2018-05-22 00:31:01 -07:00
Justin C. Miller
59700b07db Add initial IO APIC support
- IO APIC vector mapping
- Legacy PIC disable
- Real interrupts happening
2018-05-02 16:46:37 -07:00
Justin C. Miller
cfecf4f1d4 Add rdmsr/wrmsr to io.cpp 2018-04-29 13:24:02 -07:00
Justin C. Miller
ef24894211 Add stupid first serial output 2018-04-23 10:22:02 -07:00