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| author | Helge Deller <deller@gmx.de> | 2024-01-18 17:52:56 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2024-01-18 17:52:56 +0100 |
| commit | 6863b001b50319311daaba7a94c23764cd8bc271 (patch) | |
| tree | be3e969ca13a790bd84e9a275e16a548f0743567 /src | |
| parent | ff9fd38c8dc1ba3b58550435ffc43858054d7f81 (diff) | |
| download | seabios-hppa-6863b001b50319311daaba7a94c23764cd8bc271.zip seabios-hppa-6863b001b50319311daaba7a94c23764cd8bc271.tar.gz seabios-hppa-6863b001b50319311daaba7a94c23764cd8bc271.tar.bz2 | |
head: Install and use firmware fault handler
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/parisc/head.S | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/src/parisc/head.S b/src/parisc/head.S index ff59680..c0f4c88 100644 --- a/src/parisc/head.S +++ b/src/parisc/head.S @@ -244,6 +244,10 @@ $smp_exit_loop: rsm PSW_I, %r0 /* disable local irqs */ mtctl %r0, CR_EIEM + /* Load IVT to detect and report crashes */ + load32_firmware BOOTADDR(firmware_default_ivt),%r1 + mtctl %r1, CR_IVA + /* provide PDCE_PROC entry in arg0 (required on 64-bit) */ load32 MEM_PDC_ENTRY, %arg0 @@ -287,8 +291,11 @@ $bss_loop: cmpb,<<,n %r3,%r4,$bss_loop STREGM %r0,WORD_LEN(%r3) - load32 BOOTADDR(start_parisc_firmware),%r3 - load_fw_upper32 %r3 + /* Load IVT to detect and report crashes */ + load32_firmware BOOTADDR(firmware_default_ivt),%r1 + mtctl %r1, CR_IVA + + load32_firmware BOOTADDR(start_parisc_firmware),%r3 bv 0(%r3) copy %r0,%r2 END(startup) @@ -426,6 +433,21 @@ ENTRY(smp_ivt) .endr END(smp_ivt) + .align 32 +ENTRY(firmware_default_ivt) /* to detect crashes */ + .set loop,0 + .import firmware_fault_handler,code + .rept 32 + .align 32 + load32_firmware firmware_fault_handler,%arg0 + loadgp + bv 0(%arg0) + ldi loop,%arg0 + .set loop,loop+1 + .endr +END(smp_ivt) + + /******************************************************* PDC and IODC entry *******************************************************/ |