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[FREELDR][NTOS][HALPPC][SDK] Remove PowerPC code
Remove PowerPC-related code from the kernel, HAL, SDK and Freeloader.
This commit is contained in:
Victor Perevertkin
parent
911fc3cf5b
commit
6ef6fabfc5
88 changed files with 0 additions and 17348 deletions
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#ifndef PPCMMU_H
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#define PPCMMU_H
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#include <string.h>
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/* PPC MMU object --
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* Always called from kernel mode, maps the first 16 megabytes and uses 16
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* bytes per page between 0x30000 and 16 megs. Maximum memory size is 3 gig.
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*
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* Physical Memory Map:
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* 0x00300 -- Data Miss
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* 0x00400 -- Code Miss
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* 0x10000 -- MMU ucode
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* 0x20000 -- PTEG
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* 0x30000 -- Full map
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*
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* Actions:
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*
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* 1** -- MMU Related
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*
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* 100 -- Initialize
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* -- No arguments
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* 101 -- Map page
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* r4 -- virtual address
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* r5 -- ppc_map_info_t
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* 102 -- Erase page
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* r4 -- virtual address
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* 103 -- Set segment VSID
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* r4 -- Start seg
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* r5 -- End seg
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* r6 -- Vsid
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* 104 -- Set trap callback
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* r4 -- Trap number
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* r5 -- Callback address (VA)
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* 105 -- Query page
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* r4 -- Page addr
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* r5 -- Address of info struct
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* 106 -- Unit Test
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* 107 -- Turn on paging
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* 108 -- Unmap process
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* 109 -- Get lowest unallocated page
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* 10a -- Alloc vsid
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* 10b -- Revoke vsid
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* 10c -- Allocate a page and return it
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* 10d -- Return from trap callback
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* 10e -- Dump Map
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*
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* 2** -- Debug Stub and Interrupt Vectoring
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*
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* 200 -- GDB Initialize
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* r4 -- Device type
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* r4 -- Serial port addr
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* 201 -- GDB Enter
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* r4 -- Signal number
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*/
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#define MMUCODE 0x10000
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#define HTABORG 0x20000
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#define HTABSIZ 0x10000
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#define PAGETAB 0x30000
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#define PpcHashedPTE ((ppc_pteg_t*)(HTABORG))
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#define PpcPageTable ((ppc_map_t*)(PAGETAB))
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#define PPC_PAGE_ADDR(x) ((x) << 12)
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#define PPC_PAGE_NUMBER(x) ((x) >> 12)
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#define PPC_VSID_MASK 0xffffff
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#define PPC_PAGE_MASK 0xfff
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#define MMU_NONE 0
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#define MMU_KR 8
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#define MMU_KW 4
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#define MMU_UR 2
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#define MMU_UW 1
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#define MMU_ALL_R 10
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#define MMU_KRW 12
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#define MMU_KRW_UR 14
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#define MMU_ALL_RW 15
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#define MMU_PAGE_ACCESS 0x40000000
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#define MMU_PAGE_DIRTY 0x80000000
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#define MMU_KMASK 12
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#define MMU_UMASK 3
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extern char _binary_mmucode_start[], _binary_mmucode_end[];
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/* thanks geist */
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typedef unsigned long paddr_t;
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typedef unsigned long vaddr_t;
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typedef struct _ppc_pte_t {
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unsigned long pteh, ptel;
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} ppc_pte_t;
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typedef struct _ppc_pteg_t {
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ppc_pte_t block[8];
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} ppc_pteg_t;
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typedef struct _ppc_map_t {
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ppc_pte_t pte;
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unsigned long proc;
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vaddr_t addr;
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} ppc_map_t;
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typedef struct _ppc_map_info_t {
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unsigned long flags, proc;
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vaddr_t addr;
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paddr_t phys;
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} ppc_map_info_t;
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typedef struct _ppc_trap_frame_t {
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unsigned long gpr[32];
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unsigned long long fpr[32];
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unsigned long srr0, srr1, cr, lr, ctr, dsisr, dar, xer;
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} ppc_trap_frame_t;
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typedef int (*MmuTrapHandler)(int trapid, ppc_trap_frame_t *trap);
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#include "mmuutil.h"
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static inline int PPCMMU(int action, void *arg1, void *arg2, void *arg3)
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{
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/* Set Bat0 to mmu object address */
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int i, batu, batl, usebat[2] = { 0, 1 }, gotbat = 0, pc, mask;
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volatile int ret;
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int (*mmumain)(int action, void *arg1, void *arg2, void *arg3) = (void *)MMUCODE;
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__asm__("bl 1f\n\t"
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"\n1:\n\t"
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"mflr %0\n\t" : "=r" (pc));
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for(i = 0, gotbat = 0; i < 4; i++)
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{
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/* Use the space above the trap handlers to store the old bats */
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GetBat(i, 0, &batu, &batl);
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SetPhys(0xf000 + i * 16, batu);
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SetPhys(0xf004 + i * 16, batl);
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GetBat(i, 1, &batu, &batl);
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SetPhys(0xf008 + i * 16, batu);
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SetPhys(0xf00c + i * 16, batl);
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if (gotbat < 2)
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{
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if(batu & 0xffc)
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{
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mask = ~(0x1ffff | ((batu & 0xffc)>>2)<<17);
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if(!(batu & 2) || ((batu & mask) != (pc & mask)))
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usebat[gotbat++] = i;
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} else {
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mask = ~(0x1ffff | (batl << 17));
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if(!(batl & 0x40) || ((batu & mask) != (pc & mask)))
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usebat[gotbat++] = i;
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}
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}
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}
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batu = 0xff;
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batl = 0x7f;
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SetBat(usebat[0], 0, batu, batl);
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SetBat(usebat[0], 1, batu, batl);
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batu += 8192 * 1024;
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batl += 8192 * 1024;
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SetBat(usebat[1], 0, batu, batl);
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SetBat(usebat[1], 1, batu, batl);
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ret = mmumain(action, arg1, arg2, arg3);
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return ret;
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}
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/* Expand this only if used ... That makes dependence on libmmu_code.a depend
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* on whether MmuInit is called in a clean way.
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*/
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#define MmuInit() _MmuInit(&_binary_mmucode_start, &_binary_mmucode_end)
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/* Copy in the mmu code and call init
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* This bootstrap should only be called the first time (i.e. in the bootloader
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* or the early boot code). Part of the purpose of this library is to
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* eliminate the need to do a complex mmu handoff between boot stages.
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*/
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static inline void _MmuInit(void *_start, void *_end)
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{
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int target = MMUCODE, copy;
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int *start = (int *)_start;
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while(start < (int *)_end)
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{
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memcpy(©, start++, sizeof(int));
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SetPhys(target, copy);
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target += sizeof(int);
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}
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PPCMMU(0x100, 0, 0, 0);
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}
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static inline int MmuMapPage(ppc_map_info_t *info, int count)
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{
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return PPCMMU(0x101, info, (void *)count, 0);
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}
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static inline void MmuUnmapPage(ppc_map_info_t *info, int count)
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{
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PPCMMU(0x102, info, (void *)count, 0);
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}
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static inline void MmuSetVsid(int start, int end, int vsid)
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{
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PPCMMU(0x103, (void *)start, (void *)end, (void *)vsid);
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}
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static inline MmuTrapHandler MmuSetTrapHandler(int trap, MmuTrapHandler cb)
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{
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return (MmuTrapHandler)PPCMMU(0x104, (void *)trap, (void *)cb, 0);
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}
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static inline void MmuInqPage(ppc_map_info_t *info, int count)
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{
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PPCMMU(0x105, info, (void *)count, 0);
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}
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static inline int MmuUnitTest()
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{
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return PPCMMU(0x106, 0, 0, 0);
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}
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static inline int MmuTurnOn(void *fun, void *arg)
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{
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return PPCMMU(0x107, fun, arg, 0);
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}
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static inline void MmuSetMemorySize(paddr_t size)
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{
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PPCMMU(0x108, (void *)size, 0, 0);
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}
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static inline paddr_t MmuGetFirstPage()
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{
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return (paddr_t)PPCMMU(0x109, 0, 0, 0);
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}
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static inline void *MmuAllocVsid(int vsid, int mask)
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{
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return (void *)PPCMMU(0x10a, (void *)vsid, (void *)mask, 0);
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}
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static inline void MmuRevokeVsid(int vsid, int mask)
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{
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PPCMMU(0x10b, (void *)vsid, (void *)mask, 0);
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}
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static inline paddr_t MmuGetPage()
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{
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return PPCMMU(0x10c, 0,0,0);
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}
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static inline void MmuCallbackRet()
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{
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PPCMMU(0x10d, 0,0,0);
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}
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static inline void MmuDumpMap()
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{
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PPCMMU(0x10e, 0,0,0);
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}
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static inline void MmuDbgInit(int deviceType, int devicePort)
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{
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PPCMMU(0x200, (void *)deviceType, (void *)devicePort, 0);
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}
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static inline void MmuDbgEnter(int signal)
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{
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PPCMMU(0x201, (void *)signal, 0, 0);
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}
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#endif/*PPCMMU_H*/
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@ -1,23 +0,0 @@
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#ifndef FREELDR_MMU_H
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#define FREELDR_MMU_H
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int GetDEC(void);
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int GetMSR(void);
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int GetPhys( paddr_t addr );
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int GetPhysHalf( paddr_t addr );
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int GetPhysByte( paddr_t addr );
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void SetPhys( paddr_t addr, int val );
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void SetPhysHalf( paddr_t addr, int val );
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void SetPhysByte( paddr_t addr, int val );
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int GetSR(int n);
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void SetSR(int n, int val);
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void GetBat( int bat, int inst, int *batHi, int *batLo );
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void SetBat( int bat, int inst, int batHi, int batLo );
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int GetSDR1(void);
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void SetSDR1( int newsdr );
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int BatHit( int bath, int batl, int virt );
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int BatTranslate( int bath, int batl, int virt );
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/* translate address */
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int PpcVirt2phys( vaddr_t virt, int inst );
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int PtegNumber( vaddr_t virt, int hfun );
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#endif/*FREELDR_MMU_H*/
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