projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4d5ade5b PM |
1 | #ifndef __ASM_SH_KEXEC_H |
| 2 | #define __ASM_SH_KEXEC_H | |
| 3 | ||
| 4 | #include <asm/ptrace.h> | |
| 5 | #include <asm/string.h> | |
| 9d44190e | 6 | |
| 7 | /* | |
| 8 | * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return. | |
| 9 | * I.e. Maximum page that is mapped directly into kernel memory, | |
| 10 | * and kmap is not required. | |
| 11 | * | |
| 12 | * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct | |
| 13 | * calculation for the amount of memory directly mappable into the | |
| 14 | * kernel memory space. | |
| 15 | */ | |
| 16 | ||
| 17 | /* Maximum physical address we can use pages from */ | |
| 18 | #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) | |
| 19 | /* Maximum address we can reach in physical address mode */ | |
| 20 | #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) | |
| 21 | /* Maximum address we can use for the control code buffer */ | |
| 22 | #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE | |
| 23 | ||
| 24 | #define KEXEC_CONTROL_CODE_SIZE 4096 | |
| 25 | ||
| 26 | /* The native architecture */ | |
| 27 | #define KEXEC_ARCH KEXEC_ARCH_SH | |
| 28 | ||
| 9d549a7d | 29 | static inline void crash_setup_regs(struct pt_regs *newregs, |
| 4d5ade5b PM |
30 | struct pt_regs *oldregs) |
| 31 | { | |
| 32 | if (oldregs) | |
| 33 | memcpy(newregs, oldregs, sizeof(*newregs)); | |
| 34 | else { | |
| 35 | __asm__ __volatile__ ("mov r0, %0" : "=r" (newregs->regs[0])); | |
| 36 | __asm__ __volatile__ ("mov r1, %0" : "=r" (newregs->regs[1])); | |
| 37 | __asm__ __volatile__ ("mov r2, %0" : "=r" (newregs->regs[2])); | |
| 38 | __asm__ __volatile__ ("mov r3, %0" : "=r" (newregs->regs[3])); | |
| 39 | __asm__ __volatile__ ("mov r4, %0" : "=r" (newregs->regs[4])); | |
| 40 | __asm__ __volatile__ ("mov r5, %0" : "=r" (newregs->regs[5])); | |
| 41 | __asm__ __volatile__ ("mov r6, %0" : "=r" (newregs->regs[6])); | |
| 42 | __asm__ __volatile__ ("mov r7, %0" : "=r" (newregs->regs[7])); | |
| 43 | __asm__ __volatile__ ("mov r8, %0" : "=r" (newregs->regs[8])); | |
| 44 | __asm__ __volatile__ ("mov r9, %0" : "=r" (newregs->regs[9])); | |
| 45 | __asm__ __volatile__ ("mov r10, %0" : "=r" (newregs->regs[10])); | |
| 46 | __asm__ __volatile__ ("mov r11, %0" : "=r" (newregs->regs[11])); | |
| 47 | __asm__ __volatile__ ("mov r12, %0" : "=r" (newregs->regs[12])); | |
| 48 | __asm__ __volatile__ ("mov r13, %0" : "=r" (newregs->regs[13])); | |
| 49 | __asm__ __volatile__ ("mov r14, %0" : "=r" (newregs->regs[14])); | |
| 50 | __asm__ __volatile__ ("mov r15, %0" : "=r" (newregs->regs[15])); | |
| 51 | ||
| 52 | __asm__ __volatile__ ("sts pr, %0" : "=r" (newregs->pr)); | |
| 53 | __asm__ __volatile__ ("sts macl, %0" : "=r" (newregs->macl)); | |
| 54 | __asm__ __volatile__ ("sts mach, %0" : "=r" (newregs->mach)); | |
| 55 | ||
| 56 | __asm__ __volatile__ ("stc gbr, %0" : "=r" (newregs->gbr)); | |
| 57 | __asm__ __volatile__ ("stc sr, %0" : "=r" (newregs->sr)); | |
| 9d44190e | 58 | |
| 4d5ade5b PM |
59 | newregs->pc = (unsigned long)current_text_addr(); |
| 60 | } | |
| 61 | } | |
| 62 | #endif /* __ASM_SH_KEXEC_H */ |