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Rev 702 | Rev 717 | ||
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Line 51... | Line 51... | ||
51 | .global has_cpuid |
51 | .global has_cpuid |
52 | .global rdtsc |
52 | .global rdtsc |
53 | .global read_efer_flag |
53 | .global read_efer_flag |
54 | .global set_efer_flag |
54 | .global set_efer_flag |
55 | 55 | ||
56 | - | ||
57 | # THIS IS USERSPACE CODE |
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58 | .global utext |
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59 | utext: |
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60 | 0: |
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61 | int $48 |
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62 | jmp 0b |
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63 | # not reached |
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64 | utext_end: |
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65 | - | ||
66 | .data |
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67 | .global utext_size |
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68 | utext_size: |
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69 | .long utext_end - utext |
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70 | - | ||
71 | - | ||
72 | ## Determine CPUID support |
56 | ## Determine CPUID support |
73 | # |
57 | # |
74 | # Return 0 in EAX if CPUID is not support, 1 if supported. |
58 | # Return 0 in EAX if CPUID is not support, 1 if supported. |
75 | # |
59 | # |
76 | has_cpuid: |
60 | has_cpuid: |
Line 205... | Line 189... | ||
205 | interrupt_handlers: |
189 | interrupt_handlers: |
206 | h_start: |
190 | h_start: |
207 | handler 0 IDT_ITEMS |
191 | handler 0 IDT_ITEMS |
208 | h_end: |
192 | h_end: |
209 | 193 | ||
210 | - | ||
211 | .data |
194 | .data |
212 | .global interrupt_handler_size |
195 | .global interrupt_handler_size |
213 | 196 | ||
214 | interrupt_handler_size: .long (h_end-h_start)/IDT_ITEMS |
197 | interrupt_handler_size: .long (h_end-h_start)/IDT_ITEMS |