git.joshuawise.com / netwatch.git / blame_incremental
| Commit | Line | Data |
|---|---|---|
| 1 | ||
| 2 | .globl set_cr0 | |
| 3 | ||
| 4 | set_cr0: | |
| 5 | mov 4(%esp), %eax # Load argument | |
| 6 | movl %eax, %cr0 # Set CR0 | |
| 7 | pushw %cs # Push 16 bits of %CS | |
| 8 | pushl $set_cr0_cont # Push 32 bits of %EIP | |
| 9 | ljmp *(%esp) # "Far jump" (both %CS and %EIP from stack) | |
| 10 | set_cr0_cont: # Hey, here we are! | |
| 11 | addl $6, %esp # Un-do 48 bits of pushing | |
| 12 | ret | |
| 13 | ||
| 14 | ||
| 15 | .globl ps_switch_stack | |
| 16 | ps_switch_stack: | |
| 17 | mov 4(%esp), %eax | |
| 18 | mov 8(%esp), %esp | |
| 19 | call *%eax | |
| 20 | rsm |