diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-01-17 18:32:07 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-01-22 12:13:42 +0530 |
| commit | 161b348e7e8ae3f78e8523e67796d277288e3f7c (patch) | |
| tree | 7a911bb556fb164864e1929e645d2e7b488aab3d /lib/sbi/sbi_ecall.c | |
| parent | 766850222af4c39a52acf1fb12a97f2a42747d32 (diff) | |
lib: Factor-out SBI replacement extensions
This patch factor-out SBI replacement extensions (such as RFENCE,
IPI, and TIME) into its own source for better modularity of SBI
implementation.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_ecall.c')
| -rw-r--r-- | lib/sbi/sbi_ecall.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/lib/sbi/sbi_ecall.c b/lib/sbi/sbi_ecall.c index 23a6c82..d817fef 100644 --- a/lib/sbi/sbi_ecall.c +++ b/lib/sbi/sbi_ecall.c @@ -10,12 +10,7 @@ #include <sbi/sbi_ecall.h> #include <sbi/sbi_ecall_interface.h> #include <sbi/sbi_error.h> -#include <sbi/sbi_ipi.h> #include <sbi/sbi_platform.h> -#include <sbi/sbi_timer.h> -#include <sbi/sbi_tlb.h> -#include <sbi/sbi_trap.h> -#include <sbi/sbi_hart.h> #include <sbi/sbi_version.h> #define SBI_ECALL_VERSION_MAJOR 0 @@ -97,134 +92,6 @@ static struct sbi_ecall_extension ecall_base = { .handle = sbi_ecall_base_handler, }; -static int sbi_ecall_time_handler(struct sbi_scratch *scratch, - unsigned long extid, unsigned long funcid, - unsigned long *args, unsigned long *out_val, - struct sbi_trap_info *out_trap) -{ - int ret = 0; - - if (funcid == SBI_EXT_TIME_SET_TIMER) { -#if __riscv_xlen == 32 - sbi_timer_event_start(scratch, - (((u64)args[1] << 32) | (u64)args[0])); -#else - sbi_timer_event_start(scratch, (u64)args[0]); -#endif - } else - ret = SBI_ENOTSUPP; - - return ret; -} - -static struct sbi_ecall_extension ecall_time = { - .extid_start = SBI_EXT_TIME, - .extid_end = SBI_EXT_TIME, - .handle = sbi_ecall_time_handler, -}; - -static int sbi_ecall_ipi_handler(struct sbi_scratch *scratch, - unsigned long extid, unsigned long funcid, - unsigned long *args, unsigned long *out_val, - struct sbi_trap_info *out_trap) -{ - int ret = 0; - - if (funcid == SBI_EXT_IPI_SEND_IPI) - ret = sbi_ipi_send_smode(scratch, args[0], args[1]); - else - ret = SBI_ENOTSUPP; - - return ret; -} - -static struct sbi_ecall_extension ecall_ipi = { - .extid_start = SBI_EXT_IPI, - .extid_end = SBI_EXT_IPI, - .handle = sbi_ecall_ipi_handler, -}; - -static int sbi_ecall_rfence_handler(struct sbi_scratch *scratch, - unsigned long extid, unsigned long funcid, - unsigned long *args, unsigned long *out_val, - struct sbi_trap_info *out_trap) -{ - int ret = 0; - struct sbi_tlb_info tlb_info; - u32 source_hart = sbi_current_hartid(); - - if (funcid >= SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA && - funcid <= SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID) - if (!misa_extension('H')) - return SBI_ENOTSUPP; - - switch (funcid) { - case SBI_EXT_RFENCE_REMOTE_FENCE_I: - tlb_info.start = 0; - tlb_info.size = 0; - tlb_info.type = SBI_ITLB_FLUSH; - tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_tlb_request(scratch, args[0], args[1], &tlb_info); - break; - case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA: - tlb_info.start = (unsigned long)args[2]; - tlb_info.size = (unsigned long)args[3]; - tlb_info.type = SBI_TLB_FLUSH_GVMA; - tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_tlb_request(scratch, args[0], args[1], &tlb_info); - break; - case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID: - tlb_info.start = (unsigned long)args[2]; - tlb_info.size = (unsigned long)args[3]; - tlb_info.asid = (unsigned long)args[4]; - tlb_info.type = SBI_TLB_FLUSH_GVMA_VMID; - tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_tlb_request(scratch, args[0], args[1], &tlb_info); - break; - case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA: - tlb_info.start = (unsigned long)args[2]; - tlb_info.size = (unsigned long)args[3]; - tlb_info.type = SBI_TLB_FLUSH_VVMA; - tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_tlb_request(scratch, args[0], args[1], &tlb_info); - break; - case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID: - tlb_info.start = (unsigned long)args[2]; - tlb_info.size = (unsigned long)args[3]; - tlb_info.asid = (unsigned long)args[4]; - tlb_info.type = SBI_TLB_FLUSH_VVMA_ASID; - tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_tlb_request(scratch, args[0], args[1], &tlb_info); - break; - case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA: - tlb_info.start = (unsigned long)args[2]; - tlb_info.size = (unsigned long)args[3]; - tlb_info.type = SBI_TLB_FLUSH_VMA; - tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_tlb_request(scratch, args[0], args[1], &tlb_info); - break; - case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID: - tlb_info.start = (unsigned long)args[2]; - tlb_info.size = (unsigned long)args[3]; - tlb_info.asid = (unsigned long)args[4]; - tlb_info.type = SBI_TLB_FLUSH_VMA_ASID; - tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_tlb_request(scratch, args[0], args[1], &tlb_info); - break; - - default: - ret = SBI_ENOTSUPP; - }; - - return ret; -} - -static struct sbi_ecall_extension ecall_rfence = { - .extid_start = SBI_EXT_RFENCE, - .extid_end = SBI_EXT_RFENCE, - .handle = sbi_ecall_rfence_handler, -}; - static int sbi_ecall_vendor_probe(struct sbi_scratch *scratch, unsigned long extid, unsigned long *out_val) |