| 39,12 → 39,10 |
|---|
| #define KERNEL_TRANSLATION_D 0x0010000000000661 |
| #define KERNEL_TRANSLATION_VIO 0x0010000000000671 |
| #define KERNEL_TRANSLATION_IO 0x00100FFFFC000671 |
| #define VIO_OFFSET 0x0002000000000000 |
| #define KERNEL_TRANSLATION_FW 0x00100000F0000671 |
| |
| #define IO_OFFSET 0x0001000000000000 |
| |
| |
| |
| .section K_TEXT_START, "ax" |
| |
| .global kernel_image_start |
| 53,6 → 51,18 |
|---|
| kernel_image_start: |
| .auto |
| |
| #identifi self(CPU) in OS structures by ID / EID |
| mov r9=cr64 |
| mov r10=1 |
| movl r12=0xffffffff |
| movl r8=cpu_by_id_eid_list |
| and r8=r8,r12 |
| shr r9=r9,16 |
| add r8=r8,r9 |
| st1 [r8]=r10 |
| |
| |
| |
| mov psr.l = r0 |
| srlz.i |
| srlz.d |
| 114,8 → 124,25 |
|---|
| itr.d dtr[r7] = r10 |
| |
| |
| #setup mapping for fimware arrea (also SAPIC) |
| mov r11 = cr.itir ;; |
| movl r10 = ~0xfc;; |
| and r10 =r10 , r11 ;; |
| movl r11 = (FW_PAGE_WIDTH << PS_SHIFT);; |
| or r10 =r10 , r11 ;; |
| mov cr.itir = r10;; |
| |
| |
| movl r7 = 3 |
| movl r8 = (VRN_KERNEL << VRN_SHIFT) | FW_OFFSET |
| mov cr.ifa = r8 |
| movl r10 = (KERNEL_TRANSLATION_FW) |
| itr.d dtr[r7] = r10 |
| |
| |
| |
| |
| |
| # initialize PSR |
| movl r10 = (PSR_DT_MASK | PSR_RT_MASK | PSR_IT_MASK | PSR_IC_MASK) /* Enable paging */ |
| mov r9 = psr |
| 142,6 → 169,12 |
|---|
| |
| # switch to register bank 1 |
| bsw.1 |
| |
| #Am'I BSP or AP |
| movl r20=bsp_started;; |
| ld8 r20=[r20];; |
| cmp.eq p3,p2=r20,r0;; |
| |
| |
| # initialize register stack |
| mov ar.rsc = r0 |
| 160,25 → 193,35 |
|---|
| movl r1 = _hardcoded_load_address |
| |
| /* |
| * Initialize hardcoded_* variables. |
| * Initialize hardcoded_* variables. Do only BSP |
| */ |
| movl r14 = _hardcoded_ktext_size |
| movl r15 = _hardcoded_kdata_size |
| movl r16 = _hardcoded_load_address ;; |
| addl r17 = @gprel(hardcoded_ktext_size), gp |
| addl r18 = @gprel(hardcoded_kdata_size), gp |
| addl r19 = @gprel(hardcoded_load_address), gp |
| addl r21 = @gprel(bootinfo), gp |
| (p3) movl r14 = _hardcoded_ktext_size |
| (p3) movl r15 = _hardcoded_kdata_size |
| (p3) movl r16 = _hardcoded_load_address ;; |
| (p3) addl r17 = @gprel(hardcoded_ktext_size), gp |
| (p3) addl r18 = @gprel(hardcoded_kdata_size), gp |
| (p3) addl r19 = @gprel(hardcoded_load_address), gp |
| (p3) addl r21 = @gprel(bootinfo), gp |
| ;; |
| st8 [r17] = r14 |
| st8 [r18] = r15 |
| st8 [r19] = r16 |
| st8 [r21] = r20 |
| (p3) st8 [r17] = r14 |
| (p3) st8 [r18] = r15 |
| (p3) st8 [r19] = r16 |
| (p3) st8 [r21] = r20 |
| |
| ssm (1 << 19) ;; /* Disable f32 - f127 */ |
| srlz.i |
| srlz.d ;; |
| |
| (p2) movl r18 = main_ap ;; |
| (p2) mov b1 = r18 ;; |
| (p2) br.call.sptk.many b0 = b1 |
| |
| #Mark that BSP is on |
| mov r20=1;; |
| movl r21=bsp_started;; |
| st8 [r21]=r20;; |
| |
| |
| br.call.sptk.many b0 = arch_pre_main |
| |
| movl r18 = main_bsp ;; |
| 188,3 → 231,46 |
|---|
| |
| 0: |
| br 0b |
| .align 4096 |
| |
| kernel_image_ap_start: |
| .auto |
| #identifi self(CPU) in OS structures by ID / EID |
| mov r9=cr64 |
| mov r10=1 |
| movl r12=0xffffffff |
| movl r8=cpu_by_id_eid_list |
| and r8=r8,r12 |
| shr r9=r9,16 |
| add r8=r8,r9 |
| st1 [r8]=r10 |
| |
| #wait for wakeup sychro signal (#3 in cpu_by_id_eid_list) |
| kernel_image_ap_start_loop: |
| movl r11=kernel_image_ap_start_loop |
| and r11=r11,r12 |
| mov b1 = r11 |
| |
| ld1 r20=[r8];; |
| movl r21=3;; |
| cmp.eq p2,p3=r20,r21;; |
| (p3)br.call.sptk.many b0 = b1 |
| |
| movl r11=kernel_image_start |
| and r11=r11,r12 |
| mov b1 = r11 |
| br.call.sptk.many b0 = b1 |
| |
| |
| .align 16 |
| .global bsp_started |
| bsp_started: |
| .space 8 |
| |
| |
| .align 4096 |
| .global cpu_by_id_eid_list |
| cpu_by_id_eid_list: |
| .space 65536 |
| |
| |