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authorAnup Patel <anup.patel@wdc.com>2020-01-17 16:02:07 +0300
committerAnup Patel <anup@brainfault.org>2020-01-22 09:43:42 +0300
commit161b348e7e8ae3f78e8523e67796d277288e3f7c (patch)
tree7a911bb556fb164864e1929e645d2e7b488aab3d /lib/sbi/sbi_ecall.c
parent766850222af4c39a52acf1fb12a97f2a42747d32 (diff)
downloadopensbi-161b348e7e8ae3f78e8523e67796d277288e3f7c.tar.xz
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.c133
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)